Erena Sasamiya, who is rapidly gaining popularity in the neighborhood, is making her debut in Fitch! Erena, a schoolgirl who looks flashy but has pure and serious roots, fell in love with her teacher and continued a forbidden relationship that should not be known to anyone. However, one day, a male student takes a voyeur of a loved one in a physical education warehouse where no one should be. Erena, who was called at a later date, offered her body as requested by a male student to protect his beloved boyfriend and asked for forgiveness.