Lesson of Darkness

Seventy years ago, bodies started turning up across Tokyo drained of everything — completely desiccated, as if something sucked the life straight out of them — and now, it's happening again. Miho, a 19-year-old college student, starts noticing a strange man following her around, which is unsettling enough on its own. Meanwhile, her friend Azusa is getting involved with their professor, which sounds like a bad idea for normal reasons — turns out it's a bad idea for much worse reasons. The guy isn't human. He's something monstrous, and once that secret is out, both girls are suddenly running from something they barely understand. The horror here leans into classic creature-feature territory with a supernatural mystery threading through it — the desiccated bodies, the decades-old murders, the sense that something ancient and predatory has been lurking in the city this whole time. The animation leans into the eerie atmosphere pretty effectively for a mid-90s OVA, and there's a tension to the setup that keeps it from feeling purely gratuitous. If you've seen Injuu Kyoushi or La Blue Girl and you're already familiar with this corner of 90s horror OVA territory, this fits right alongside them in tone and style. It's a single-episode OVA from 1996, so it's a contained experience — dark, a little pulpy, and unambiguously adult in content.