Yuki lived a peaceful life as a teacher, but everything changed one day when a student confessed his intense feelings for her. This incident triggered a chain reaction, causing her students' repressed sexual desires to spiral out of control. Yuki soon finds herself at the center of it all. Rumors spread to the principal and parents, and she gradually becomes known as the school's "easy lay" teacher, a sexual outlet for everyone. In the process, Yuki is drawn into a whirlpool of hidden desires within the education system, confronting her own limits and the dark underbelly of her profession.