Inmu Gakuen: Inmu ni Torawareta Bijin Shimai

A mysterious pendant pressed into high school guy Shinji's hands by the school nurse comes with a promise: it brings good dreams. That night, he wakes up inside his crush Mayuri's room while she's asleep. What follows is where the anime stops being a supernatural mystery and becomes something else entirely — this is a hentai OVA, so go in with that expectation clearly set. The pendant essentially removes consequences from Shinji's actions, and the story explores what a person does when rules seemingly stop applying to them. It's a short, single-episode release from 2010 by Schoolzone, adapted from a visual novel, so the narrative is compact and leans heavily into its adult content rather than building out a complex world. The supernatural angle — a cursed or enchanted object warping reality — gives it a slightly eerie framing that fans of titles like Immoral Sisters or Bible Black might recognize. If you've seen Night Shift Nurses, the vibe is similar: a thin but functional supernatural premise used as scaffolding for explicit content. The ethical questions the setup raises about desire, agency, and consequence are present but not deeply interrogated — this is more mood and fantasy than moral drama. If you're already into classic early-2000s and late-2000s hentai OVAs with a supernatural twist, this fits comfortably in that tradition. Manage your expectations accordingly and it delivers exactly what it promises.