Yamitsuki Pheromone The Animation

Kido is a quiet high school student who frequently finds himself target of classroom bullying. However, his uninspiring routine takes a dramatic turn when he catches the eye of Hino-senpai—a strikingly beautiful upperclassman who commands the admiration of the entire school. Day after day, her overly intimate gestures toward Kido become increasingly provocative and bold, leaving him completely flustered.

Behind closed doors after the school library shuts down, a second secret romance unfolds. A voluptuous senior girl obsessed with romance novels and a serious, rough-around-the-edges underclassman who secretly adores her begin a thrilling, hidden affair right among the secluded library bookshelves.

As the line between innocent teasing and overwhelming attraction blurs, Kido and his fellow students are drawn into a web of intense desire. What hidden secrets is the quiet senpai concealing beneath her seductive exterior, and how far will her irresistible pheromones push their uninhibited late-night encounters?