Suki na Ko ga, Betsu no Otoko to

Naoki has always harbored feelings for his childhood friend Yuri, but he has never been able to confess his love. One day, he returns to the classroom to retrieve a forgotten item and witnesses Yuri being assaulted by their homeroom teacher, Togo. Despite his shock, Naoki finds himself unable to look away, and his body reacts in a way that disturbs him.

Yuri reveals that she knows about Naoki's feelings, and the situation spirals into a twisted cuckold drama. Naoki is drawn into a complex web of desire, guilt, and voyeurism, where his emotions and physical reactions collide. The story explores the dark and conflicting dynamics between the three characters.