A Deep Dive into the World of Beach Hentai
Crimson Tides and Whispering Sands: A Beach Paradise of Unveiled Desires and Boundless Passion
The air hummed with a languid, sun-drenched promise as a diverse array of captivating women, and a few lucky men, descended upon the secluded shores of Azure Serenity, a legendary resort island whispered about in tales across myriad dimensions. This wasn't just any vacation; it was an escape, a pilgrimage to a paradise where inhibitions melted like ice in the tropical heat, and desires long suppressed were invited to bloom under the benevolent gaze of the ceaseless sun and the watchful, knowing moon. The main tag was undeniably "Beach," and this place was its ultimate, breathtaking embodiment.
From the moment the gleaming yacht, a marvel of technology and comfort, docked at the pristine white sands, a symphony of excited gasps and joyful exclamations filled the balmy breeze. Mujina, with her elegant poise from Ssss Dynazenon, stepped onto the warm sand, her eyes sparkling with anticipation. Beside her, Videl from Dragon Ball Z stretched, enjoying the newfound freedom from training, her strong form captivating in a vibrant red bikini. Suki, the fierce Kyoshi Warrior from Avatar: The Last Airbender, unbraided her hair, letting it flow as she surveyed the breathtaking expanse of the ocean. Duvalie, the swift Steel Maiden from The Legend Of Heroes: Trails Of Cold Steel Northern War, found herself uncharacteristically relaxed, a soft smile gracing her lips.
Miria, from Harem In The Labyrinth Of Another World, giggled, adjusting the delicate floral print of her sarong, while Ceres Fauna, the serene nature warden from Hololive, inhaled deeply, appreciating the scent of salt and exotic flowers. Nicole Demara, sleek and confident from Zenless Zone Zero, assessed the scene with a cool, inviting gaze. Rosalia, the ethereal beauty from Sword Art Online, and Ayla, fierce and independent from About That Time I Got To Eat Unlimited Skill Fruits While Being A Bogus Skill Fruitmaster, found a spot under a swaying palm, their chatter a soft counterpoint to the gentle lapping waves. Uchiha Sakura, ever practical but visibly relaxed, cast a playful glance at the group from Naruto, while Cassius, an intriguing figure, watched from a distance, a enigmatic smile playing on his lips.
Clarice Fia Atlee of Phantom Of The Kill, Killer Queen, Merielle, and Noint from Trapped In A Dating Sim: The World Of Otome Games Is Tough For Mobs, quickly claimed lounge chairs, eager for the sun's embrace. Fujisaki Akane, the vibrant priestess from Demon Lord Retry, and Noelle, with her gentle strength from Genshin Impact, joined them, already feeling the stress of their worlds ebb away. Qu Hua Chang from Martial Peak marveled at the crystal-clear water, while Rukia Kuchiki from Bleach, typically composed, allowed a small, uncharacteristic grin to spread across her face. Erza Scarlet, the formidable Titania of Fairy Tail, shed her usual armor for a modest but alluring one-piece, her eyes scanning for her friends, especially Juvia Lockser, who trailed behind, already dreaming of romantic possibilities with a certain ice mage (though he wasn't here, her heart was full). Ushio Kofune from Summer Time Rendering dipped her toes into the shallows, the cool water a pleasant shock.
The beach was a kaleidoscope of vibrant swimwear and glowing skin. The Octoling, her unique form striking, darted into the water with a joyful splash from Splatoon, followed by the majestic Kearsarge and alluring Sirius from Azur Lane, their elegant forms cutting through the waves. Yuki Nonaka from The Testament Of Sister New Devil, Dryas from Seirei Gensouki: Spirit Chronicles, and Satsuki Sumeragi from Pokemon (implied trainer), were already engaged in a lively game of beach volleyball, their laughter echoing across the sands. Lyutillis Haltina from Zettai Junpaku Mahou Shoujo, Grace, and Latifa from Harem In The Labyrinth Of Another World (again) were building an elaborate sandcastle, their concentration intense. Misty, also from Pokemon, challenged May to a swimming race, their friendly rivalry igniting the morning.
Misae Suzuhara, Cosette, and Shura Kirigakure from Blue Exorcist shared exotic fruit cocktails, their conversation light and carefree. Professor Ivy, ever the inquisitive mind, was examining a rare seashell, while Sara from One Piece, and Robin Nico, with her enigmatic smile, were deep in conversation under a large straw umbrella, their intellects sparking even on vacation. The iconic Aihara Yuzu and Aihara Mei from Citrus, never far apart, found a secluded spot, their hands intertwined, a silent promise passing between them. Saren from Princess Connect Re:dive, Haruyanagi Sakura from Code Geass: Roze Of The Recapture, and Lee Bora from Solo Leveling Arise mingled easily, their diverse backgrounds creating a rich tapestry of friendship. Hotaru Ichijou from Non Non Biyori, Emma Laurent from Good Bye Dragon Life, Myraal from The Reincarnation Of The Strongest Exorcist In Another World, and Boa Hancock, the Pirate Empress from One Piece, who had eyes only for her beloved Luffy (also present, looking a bit overwhelmed but happy), were all enjoying the peaceful scene.
Yifa from Honkai Star Rail, Robin, Yuna Yunis from The Legendary Hero Is Dead, and Estelle Bright from Minna Atsumare Falcom Gakuen, shared stories of their adventures, their voices carrying on the breeze. Hijiri Takao from Failure Frame: I Became The Strongest And Annihilated Everything With Low Level Spells, Haruna Sarenji from To Love Ru, and Hinata Hyuuga, her shyness still present but softened by the warmth, watched the playful antics of Fubuki from One Punch Man and Ty Lee from Avatar The Last Airbender, who were demonstrating incredible agility in a friendly sparring match on the sand. Anosillus from Ssss Gridman, Fuyumi Todoroki from My Hero Academia, Ayako Takamine from The Girl In The Library: Until The Pure You Falls From Grace, and Sooyoung Han from Omniscient Reader's Viewpoint, were sunbathing, their figures gleaming with sunscreen.
Airi Jinguuji from A Nobody's Way Up To An Exploration Hero, Shizuku Murasaki from Hunter X Hunter, and Kyouka Tachibana from Tachibana San Chi No Dansei Jijou were sketching the beautiful scenery, their artistic talents on full display. Celia Cumani Aintree from Seirei Gensouki: Spirit Chronicles, Maria Mikhailovna Kujou from Roshidere, and Aphrodite from Danmachi Is It Wrong To Try To Pick Up Girls In A Dungeon, enjoyed the resort's luxurious amenities. Kotoha Tachibana from Wind Breaker, Fuuka Miyazawa from The Aquatope On The White Sand, Bridget from Punishing Gray Raven, and Aisha Belka from Aisha Belka | Ishtar (implied series) were discussing their favorite beach reads. Maron, accompanied by a surprisingly well-behaved Master Roshi from Dragonball Z, giggled at his attempts to flirt with the many beauties. Chihaya Kisaragi from The Idolmaster, Ishizu Ishtar from Yu Gi Oh, and Fraurem from Farming Life In Another World, found solace in the quiet corners of the resort, enjoying moments of serene reflection.
Mina from Beast Tamer, Kanade Hisaishi from Sound Euphonium, Bulma from Dragon Ball, and Jett from Valorant, were planning a beach bonfire for the evening, their enthusiasm infectious. Stacy Connor from Samurai Girls: Hyakka Ryouran, Shiragiku Ono from The Cafe Terrace And Its Goddesses, Ai Hayasaka from Kaguya Sama: Love Is War, and Dawn from Pokemon (again), were organizing a treasure hunt. Lyndis from Fire Emblem Heroes: A Day In The Life, Hamaguchi Momoe from Chainsaw Man, Tashigi from One Piece, and Kobeni Higashiyama from Chainsaw Man, were comparing their favorite swimming techniques. Stargirl from Dc Animated Universe, Shizuku Yaegashi from Arifureta: From Commonplace To World's Strongest, Albis from That Time I Got Reincarnated As A Slime, and Alisa Mikhailovna Kujou from Alya Sometimes Hides Her Feelings In Russian (Roshidere again) were exploring the vibrant coral reefs while snorkeling, their bodies graceful in the clear water.
Suzune Miyama from Selection Project, Karen Kujou from Kinmoza, Monica Adenauer from Yakitate Japan, and Rumi Usagiyama (Mirko) from My Hero Academia, demonstrated their incredible physical prowess in a friendly competition of beach sprints. Sharon Holygrail from Engage Kiss, Mino Saitou from Grandpa And Grandma Turn Young Again, Hayase Nagatoro from Don't Toy With Me Miss Nagatoro, and Naori Jinguuji from Love Is Indivisible By Twins, were splashing each other playfully in the shallows, their laughter ringing out. Moeko Sekine from The Dangers In My Heart, Emma Millstein from Minna Atsumare Falcom Gakuen Sc, Mavuika from Blue Archive, and Brandish from Fairy Tail, enjoyed refreshing drinks served by the resort staff. Hiyori from Nikke, Signora from Genshin Impact, Saori Joumae from High School Dxd, and Nemona from Pokemon, were debating the best strategy for a sunset photo shoot.
Moran from Chainsaw Man, Xenovia Quarta from High School Dxd, Zangya from Dragon Ball Z, and Porche from One Piece, were sharing stories of their adventures and battles, their camaraderie strong. Naon Yuno from Chained Soldier, Kazekura Moe from Code Geass, Bambietta Basterbine from Bleach, and Ochaco Uraraka from My Hero Academia, were comparing their favorite beach snacks. Bremerton from Azur Lane, Villetta Nu from Code Geass, Corrin from Fire Emblem, and Satsuki Momoi from Kurokos Basketball, had organized a lively game of beach volleyball, their athleticism impressive. Kuromi Serika from Avatar The Last Airbender, Korra from Avatar The Last Airbender, Hope from Fortnite, and Monet from One Piece, were relaxing by the pool, occasionally dipping their toes into the cool water. Ermes Costello from Jojos Bizarre Adventure, Jianxin from Wuthering Waves, Soifon from Bleach, and Iori Shiromi from Blue Archive, were discussing the nuances of close-quarters combat, even on vacation.
Doll from Nikke, Prinz Eugen from Azur Lane, Kotori Minami from Bokura No Live Kimi To No Life, and Chisa Kotegawa from Grand Blue Dreaming, were enjoying the panoramic ocean view from a cliffside cafe. Mercy from Overwatch, May (again) with Ash from Pokemon, Marin Kitagawa from My Dress Up Darling, and Juvia Lockser (again, still dreaming of Gray) found themselves drawn to the vibrant sunset, the sky ablaze with hues of orange and purple. Maria Campbell from My Next Life As A Villainess: All Routes Lead To Doom, Shera L Greenwood from How Not To Summon A Demon Lord, Mahoro Jin from Bucchigiri, and Tier Harribel from Bleach, were enjoying the luxurious spa services the resort offered. Kikoru Shinomiya from Kaiju No 8, Fuyuko Mayuzumi from The Idolmaster, Jenny Realight from Fairy Tail, and Stelle from Honkai Star Rail, were marveling at the bioluminescent plankton that lit up the water as dusk settled.
As the first stars began to pepper the darkening sky, a shift in the atmosphere became palpable. The playful energy of the day subtly transitioned into a sensual hum. The beach bonfire Jett, Bulma, and Mina had organized crackled to life, casting dancing shadows on the sand. Couples and close friends drifted towards its warmth, a silent understanding passing between them. The gentle guitar melodies strummed by a talented guest (perhaps Fujisaki Akane) added to the romantic ambiance. Hayase Nagatoro, with a mischievous glint in her eyes, teased her admirer, her playful nudges growing more intimate. Robin Nico, usually reserved, found herself laughing freely with Sara, their hands brushing more often than not. The air was thick with unspoken desires.
Aihara Yuzu, feeling the warmth of the bonfire and the gentle pressure of Mei's hand in hers, leaned in. "Mei," she whispered, her voice barely audible above the waves, "this beach... it feels like a dream." Mei, her silver eyes reflecting the firelight, turned, her expression soft. "It is, Yuzu. A dream we share." Their lips met then, a tender, slow kiss that deepened with every beat of their hearts, the world around them fading into a blissful blur. Their connection, forged in Citrus, was now blossoming under the starlit sky of Azure Serenity. They moved away from the fire, seeking the privacy of the dimly lit beach bungalows, their desire a tangible force pulling them closer.
Nearby, Boa Hancock, her magnificent form outlined by the firelight, had finally cornered Luffy. He, oblivious as ever, was just enjoying the roast marshmallows. "Luffy," she purred, her voice a silken caress, "don't you feel the magic of this beach? The passion?" She pressed herself against him, her curves soft yet insistent. Luffy, perhaps for the first time, felt a strange, stirring warmth beyond the fire. Her hands, delicate yet firm, guided his to her waist, and he found himself pulling her closer, a primal instinct overriding his usual naiveté. Their kiss was unexpected, fervent, a collision of worlds, reflecting the boundless spirit of One Piece. They too, vanished into the shadows, the whispers of the ocean their only witnesses.
Erza Scarlet, ever the protector, watched over her friends, but tonight, even her resolve wavered under the romantic spell. Juvia Lockser, her gaze fixed on the waves, yearned for her beloved. But a gentle hand on her shoulder startled her. It was Erza. "Juvia," Erza said, her voice unusually soft, "the night is beautiful. Let us enjoy it." Juvia, surprised, felt a blush creep up her neck. Erza's touch was firm, comforting, and unexpectedly alluring. As the Fairy Tail duo walked along the water's edge, the waves washing over their feet, Erza's fingers intertwined with Juvia's. The longing in Juvia's heart began to shift, to embrace a new, powerful warmth. They found a secluded alcove of rocks, the moonlight painting them in silver. Erza, with a tenderness that defied her warrior persona, leaned in. "You are beautiful, Juvia," she whispered, before claiming Juvia's lips in a kiss that promised comfort, passion, and a connection far deeper than mere friendship.
Back at the bungalows, the sounds of laughter and music faded, replaced by more intimate sounds. Yuzu and Mei had shed their wet swimwear, the cool evening air caressing their bodies. Yuzu traced the curve of Mei's hip, her fingers lingering on the smooth skin. "You're so exquisite, Mei-chan," she breathed, her lips brushing Mei's collarbone. Mei, usually composed, arched into the touch, her own hands exploring Yuzu's back, tracing the delicate lines of her spine. Their kisses grew hungrier, their bodies pressing together, the friction of their skin igniting a fire that had been smoldering all day. Yuzu guided Mei onto the bed, their limbs tangling, their breaths coming in ragged gasps. Mei’s soft moans filled the room as Yuzu’s gentle yet insistent touch explored every inch of her, her fingers finding the tender peaks of Mei’s breasts, then slipping lower, eliciting a sharp intake of breath. The passion between the Aihara sisters was raw, intense, and utterly beautiful, a testament to their deep bond from Citrus, now fully unleashed in this beach paradise. Yuzu buried her face in Mei’s neck, kissing her deeply as her fingers danced teasingly, then plunging into her depths. Mei cried out, her body arching, overwhelmed by the exquisite sensations. Yuzu's movements became a rhythm, a primal dance, as she brought Mei to the brink, their shared climax a wave of pure ecstasy that crashed over them, leaving them breathless and intertwined.
In another bungalow, Boa Hancock had practically devoured Luffy, her passionate kisses leaving him dizzy and exhilarated. His Straw Hat had long since fallen to the floor, forgotten in the heat of the moment. Her elegant dress was discarded in a heap, revealing her magnificent, statuesque form, a sight that left Luffy momentarily stunned before primal urges took over. "My love," she purred, straddling his lap, her hands tracing the lines of his chest, "you are mine, and I shall show you the depths of a pirate empress's devotion!" Luffy, never one to back down from a challenge, or an adventure, found himself utterly captivated. Her hands, usually used to command, now delicately unfastened his shorts, her eyes never leaving his. His own hands, usually grappling with enemies or food, now fumbled with the ties of her bikini bottom, the silk giving way to reveal her most intimate secrets. Their encounter was a whirlwind of joyous shouts and passionate moans, reflecting the wild, untamed spirit of One Piece. Hancock guided him inside her, a gasp escaping her lips at the fullness. Luffy, surprisingly intuitive, moved with a rhythm that thrilled her, their bodies slapping together with a joyful, animalistic abandon. She arched her back, her cries echoing her pleasure as he thrust deeper, harder, their shared climax a powerful explosion, a testament to their improbable, yet undeniable, love.
By the secluded rocks, Erza Scarlet and Juvia Lockser's embrace deepened. Erza, strong yet infinitely gentle, had carefully removed Juvia’s soaked swimsuit, her hands lingering on the soft curves of Juvia’s body. Juvia, usually fixated on Gray, found herself utterly lost in Erza's powerful, comforting presence. Erza's touch was tender, exploring the planes of Juvia’s back, her strong fingers tracing goosebumps along her spine. "You are trembling, my dear Juvia," Erza whispered, her voice a low rumble, as she kissed Juvia’s neck, sending shivers down her. "Let me warm you." Erza’s lips moved lower, teasing Juvia’s breasts, her tongue flicking at the sensitive peaks until Juvia gasped, her body arching in delicious surrender. Juvia, in turn, found courage, her hands tentatively exploring Erza’s powerful physique, marveling at the smooth strength beneath her skin. The magic of Fairy Tail, infused with the sensuality of the beach, enveloped them. Erza laid Juvia back on the warm sand, pressing soft, sensual kisses along her body, her touch reverent. Juvia cried out as Erza’s fingers found her core, exploring her with a practiced gentleness that quickly escalated into a more insistent, rhythmic dance. Their moans mingled with the crash of the waves, a symphony of newfound passion. Erza’s mouth found Juvia’s again, silencing her cries as Juvia shuddered, her body convulsing in a wave of release, followed almost immediately by Erza, who collapsed onto her, their hearts beating as one.
The night progressed, and the beach became a canvas for countless other stories of budding romance and unleashed desires. Professor Ivy, finding herself drawn to the vibrant intellect and surprisingly tender side of Cassius, engaged in a conversation that started scientific but soon turned personal, leading to stolen glances and an intimate dance under the moon. Their hands met, his firm, hers delicate, as he led her away from the bonfire, the promise of discovery in their eyes. The scholar from Pokemon and the mysterious warrior found a quiet spot, their shared curiosity igniting a different kind of spark.
Marin Kitagawa from My Dress Up Darling, always radiating charisma, found herself amidst a small circle of admirers, including Ochaco Uraraka from My Hero Academia and Hayase Nagatoro from Don't Toy With Me Miss Nagatoro. What began as playful banter and flirtation evolved into a joyous, uninhibited exploration of touch and sensation. Marin, with her innate ability to bring joy and confidence to others, encouraged Ochaco to shed her shyness, her hands guiding Ochaco's onto her own curves. Nagatoro, never one to be outdone, pressed herself against Marin's other side, her teasing lips finding Marin's neck. Their laughter turned to soft moans as they indulged in a sensual group embrace, the warmth of their bodies and the intoxicating atmosphere of the beach leading them to a joyous, shared intimacy, their individual pleasures amplified by the collective thrill of their passionate union.
Elsewhere, the shy Hinata Hyuuga, emboldened by the beach's liberating aura, found herself talking to the kind-hearted Noelle from Genshin Impact. Their shared anxieties about their own strengths and desires melted away under the starlit sky. Noelle, with her gentle strength, offered Hinata a comforting hand, and the touch lingered, sparking an unexpected warmth. As they walked along the shore, discussing their dreams from Naruto and Genshin Impact, a silent understanding grew. Noelle, sensing Hinata’s burgeoning confidence, leaned in, pressing a soft, experimental kiss to Hinata's cheek. Hinata, blushing furiously but her heart soaring, turned, her lips shyly meeting Noelle’s in a tender, innocent exchange that promised a deeper, more passionate exploration as the night unfolded.
Dawn arrived, painting the sky in hues of rose and gold, mirroring the flushed skin and satisfied smiles of those who had embraced the night's passions. The beach, now quiet save for the gentle lapping of waves, held the lingering scent of salt, sunscreen, and desire. Yuzu and Mei, entwined in each other's arms, watched the sunrise from their bungalow, a profound sense of peace and intimacy settling between them. "I never knew a beach could hold so much magic," Yuzu whispered, kissing Mei’s forehead. "Or so much love." Mei simply squeezed her hand, her contented sigh speaking volumes.
Boa Hancock, draped elegantly over a still-sleeping Luffy, stroked his hair, her heart swelling with satisfaction. He may have been clueless, but he was hers, and this beach had proven it. She knew their adventures in One Piece would continue, but this memory, this shared intimacy under the stars, would forever be cherished. Erza and Juvia, walking hand in hand along the deserted shore, found a new depth to their bond, a silent promise to nurture the passion they had discovered. Their connection, forged in the heat of battle in Fairy Tail, had found a new, sensual dimension on the serene sands of Azure Serenity.
From Mujina and Videl, who shared a quiet, knowing smile over breakfast, to Ceres Fauna and Nicole Demara, who exchanged a lingering glance, the echoes of the night's passions reverberated across the resort. The Octoling, splashing in the morning surf, felt a newfound vibrancy. Even the formidable Esdeath from Akame Ga Kill, seen quietly observing the sunrise, carried a faint, uncharacteristic softness in her gaze, as if even her icy heart had been touched by the beach's warmth. Tier Harribel from Bleach, serene and powerful, meditated by the water's edge, a picture of tranquil satisfaction.
The Azure Serenity beach had lived up to its legendary status, weaving a tapestry of interconnected desires, passionate encounters, and profound emotional connections. It was a place where characters from Ssss Dynazenon, Dragon Ball Z, Avatar: The Last Airbender, The Legend Of Heroes: Trails Of Cold Steel Northern War, Harem In The Labyrinth Of Another World, Hololive, Zenless Zone Zero, Sword Art Online, About That Time I Got To Eat Unlimited Skill Fruits While Being A Bogus Skill Fruitmaster, Naruto, Phantom Of The Kill, Trapped In A Dating Sim: The World Of Otome Games Is Tough For Mobs, Demon Lord Retry, Loner Life In Another World, Arifureta: From Commonplace To World's Strongest, Maou Sama Retry R, Genshin Impact, Martial Peak, Bleach, Fairy Tail, Summer Time Rendering, Splatoon, Azur Lane, The Testament Of Sister New Devil, Seirei Gensouki: Spirit Chronicles, Pokemon, Zettai Junpaku Mahou Shoujo, Blue Exorcist, One Piece, Citrus, Princess Connect Re:dive, Code Geass: Roze Of The Recapture, Solo Leveling Arise, Non Non Biyori, Good Bye Dragon Life, The Reincarnation Of The Strongest Exorcist In Another World, Honkai Star Rail, The Legendary Hero Is Dead, Minna Atsumare Falcom Gakuen, Failure Frame: I Became The Strongest And Annihilated Everything With Low Level Spells, To Love Ru, One Punch Man, Ssss Gridman, My Hero Academia, The Girl In The Library: Until The Pure You Falls From Grace, Omniscient Reader's Viewpoint, A Nobody's Way Up To An Exploration Hero, Hunter X Hunter, Tachibana San Chi No Dansei Jijou, Walkure Romanze, Roshidere, Danmachi Is It Wrong To Try To Pick Up Girls In A Dungeon, Wind Breaker, The Aquatope On The White Sand, Punishing Gray Raven, Dragonball Z, The Idolmaster, Yu Gi Oh, Farming Life In Another World, Beast Tamer, Sound Euphonium, Dragon Ball, Valorant, Samurai Girls: Hyakka Ryouran, The Cafe Terrace And Its Goddesses, Kaguya Sama: Love Is War, Fire Emblem Heroes: A Day In The Life, Chainsaw Man, Dc Animated Universe, That Time I Got Reincarnated As A Slime, Alya Sometimes Hides Her Feelings In Russian, Selection Project, Kinmoza, Yakitate Japan, Engage Kiss, Grandpa And Grandma Turn Young Again, Don't Toy With Me Miss Nagatoro, Love Is Indivisible By Twins, The Dangers In My Heart, Minna Atsumare Falcom Gakuen Sc, Blue Archive, Nikke, High School Dxd, Chained Soldier, Code Geass, Fire Emblem, Kurokos Basketball, Avatar The Last Airbender, Fortnite, Jojos Bizarre Adventure, Wuthering Waves, Bokura No Live Kimi To No Life, Grand Blue Dreaming, Overwatch, My Dress Up Darling, My Next Life As A Villainess: All Routes Lead To Doom, How Not To Summon A Demon Lord, Bucchigiri, Kaiju No 8, Akame Ga Kill, Darling In The Franxx, Danganronpa, Arknights, Glitter Force, Arena Of Valor, Hokkaido Gals Are Super Adorable had found not just relaxation, but a deeper connection, a fulfillment of romantic and erotic dreams under the endless, shimmering beauty of the ultimate beach. The sun rose higher, promising another day of sun-kissed skin, salty breezes, and the lingering, sweet taste of passion.