Yamitsuki Pheromone The Animation

Quiet and reserved by nature, Onii isn't the type to stand out — he finds his uneventful school life getting complicated when two very different people pull him in opposite directions — Hino-senpai, the kind of charismatic upperclassman who seems to attract everyone effortlessly, and Shiori Nana, a transfer student who arrives carrying her own mysteries. What starts as ordinary school dynamics quickly shifts into something much more charged, as desire and attraction start driving the relationships in ways nobody planned for. This is a two-episode ONA from Studio Shion, based on the manga, and it leans fully into its hentai roots without pretending to be something else. The animation quality is genuinely solid — character expressions get real attention, which matters more than you'd think when the whole story runs on interpersonal tension and emotional undercurrents. There's also a soundtrack that actually fits the mood rather than just filling silence. If you've watched something like Kimi wa Yasashiku Netorareru The Animation or Fault!! and appreciated how those titles build atmosphere around their relationships before getting into the explicit content, this sits in similar territory. It's not trying to reinvent anything — it's a compact, well-produced story about attraction and the complicated feelings that come with it. Two episodes means it doesn't overstay its welcome, and the drama-romance blend keeps it from feeling purely mechanical. Worth the short time commitment if the setup sounds like your kind of thing.