Nukitashi the animation

Seiran Island

Seiran Island is a sun-drenched, tropically warm, lawless utopia drenched in sweat, sex, and semen. Officially part of Japan, but practically a country of its own, the island is infamous for its radical “Free Use Law,” a legislation that makes all women—yes, all women—public property. As long as they’re not resisting too hard and a few loose rules are followed, any man is legally allowed to grope, strip, or fuck any woman they want, anytime, anywhere. Consent? Optional. Lust? Mandatory. On Seiran, women are expected to be available at all hours—in school, on the street, in the office, in the damn grocery store. Girls wear hyper-lewd uniforms with open cleavage, thigh straps, crotch windows, or no panties at all. Classrooms have sex mid-lecture. Sidewalks become gangbang zones. Women casually walk with cum dripping down their thighs, and nobody bats an eye. It’s normalized, eroticized, institutionalized. There are "Free Use stations" around the island for guys who want a quickie. Public-use holes, cum dumpsters, onaholes-in-training—call them what you like, they’re everywhere. But not every girl is brainwashed. The Decency Restoration Committee fights to end the madness. They're a resistance group of strong-willed, sexually oppressed girls (and the rare decent guy) trying to repeal the Free Use law. They’re outnumbered and overpowered, but determined to prove women deserve respect—not just orgasms. Still, the island runs on heat, hormones, and humiliation. Every girl is a toy waiting to be played with, and every man is encouraged to let his darkest urges run free. This is Seiran Island: a paradise for perverts, a hell for puritans, and the world’s most unapologetically horny society.

FS key members

At the top of Seiran Island’s moral chaos stands the Free Use Society (FS) — a “public morals” club that preaches pleasure as patriotism. Beneath the surface of its smiles and skin, FS is a machine of social control disguised as sexual liberation. These are its leading figures: Touka Reizeiin (FS President) – Elegant, commanding, and always composed, Touka embodies FS’s official face. She delivers speeches in flawless formal tone, equating intimacy with national unity and arousal with enlightenment. Her cold efficiency makes her both alluring and untouchable. Behind her smile lies steel; submission isn’t just expected — it’s systematized. San Mozume (Vice President) – Known for her soft voice and “mommy” demeanor, San nurtures with one hand and manipulates with the other. She specializes in targeting shy boys — especially virgins — wrapping them in baby talk, gentle caresses, and emotional dependency. Her twisted warmth makes her one of FS’s most dangerous influencers. Otome Tanahashi (FS Event Leader) – Loud, flashy, and endlessly provocative, Otome thrives in the spotlight. She drags others into FS's rituals like a party host hyping up a crowd, laughing as she obliterates boundaries. What she lacks in subtlety she makes up for in fearless energy. For her, exhibition is joy — and resistance is cute. Rei Tadasugawa (FS Operations Officer) – Cold, focused, and ruthlessly precise, Rei is the enforcer of FS doctrine. She handles reports, inspections, and “corrective sessions” with bureaucratic intensity. Her straight-laced exterior hides a fanatical dedication to the FS ideal: order through openness, purity through performance. Ikuko Onabuta (FS Vanguard) – Brash, muscular, and always ready to pounce, Ikuko lives for the thrill of domination. Her “chase the virgin” antics are half sport, half indoctrination. Though she jokes loudly and acts impulsively, she’s a loyal spearhead of FS’s most aggressive operations.

Main characters

Welcome to Seiran Island, where the government mandates sexual freedom and intimacy is considered a public service. Amid this absurd dystopia, a group of rebels form the No Love No Sex (NLNS) movement. Each member has their own story—and scars—but they fight with purpose, humor, and unshakable will. Junnosuke Tachibana – The protagonist and NLNS founder. A sharp, idealistic transfer student determined to resist the island’s free-use policies. Though sarcastic and blunt, he values emotional intimacy over physical pleasure. Junnosuke's strong moral compass, quick thinking, and occasional snark drive the group's rebellion against absurdity. Nanase Katagiri – A confident, flirtatious gyaru rumored to be Seiran’s top seductress—though she’s secretly untouched. She’s cunning, skilled in infiltration, and deeply protective of Junnosuke. Despite her playful front, Nanase longs for genuine affection and hides a painful past tied to the island’s policies. Hinami Watarai – A soft-spoken upperclassman with a maternal aura, often mistaken for a child. She supports the team both emotionally and physically—usually while swinging a folding chair at perverts. Her kindness belies incredible resolve, making her the group's emotional heart. Misaki Hotori – The team’s silent driver and logistics ace. Stoic and loyal, she rarely speaks unless necessary but is always dependable. Her value lies in precise support, though she often underestimates her own importance. She's most at ease behind the wheel—or behind the scenes. Asane Tachibana – Junnosuke’s foul-mouthed younger sister. A gamer, hacker, and tech genius who supports NLNS remotely. With biting sarcasm and a superiority complex, she insults nearly everyone while secretly caring deeply. She loathes the island’s rules and uses her skills to empower NLNS from the shadows.