A Strange Kind of Woman

On a crowded train, a quiet, beautiful classmate named Shion is caught in a compromising situation by Fukaya Mamoru — and somehow, that becomes the start of a relationship. The catch? She keeps a vibrator on her at all times, and Mamoru can't shake the feeling that it means more to her than he does. That insecurity is the actual engine of this 2-episode OVA, which is less about the explicit content and more about a guy genuinely anxious that he's losing an emotional competition with a piece of plastic. It's a weird headspace to be in, and the story leans into it. The setup for episode two involves a swimming pool trip, which you can probably guess creates a certain logistical problem for Shion — and an opportunity for Mamoru to finally feel like he matters. If you've watched something like Bible Black or La Blue Girl and wanted the relationship dynamics to feel a little more grounded and awkward, this scratches that itch. It's not trying to be deep, but it has more character interiority than you'd expect from the genre — Mamoru's jealousy reads as genuinely human rather than just a plot device to move scenes along. The animation holds up well for a 2007 OVA production. Don't come in expecting a slow-burn romance, but if you want hentai that gives you something to actually think about between scenes, this one delivers that in a compact, two-episode package.