Chiaki Sakaguchi is a highly sociable and popular high school senior who has a dark secret in his heart. Chiaki is not at all acting like himself. In fact, he recently skipped his college entrance exams. Is Chiaki's classmate the only one who may be able to unveil the unholy perversion that has secretly crept into Chiaki's life?

Bookstore employee Serizawa – a short, comical, and adorable young man – spots Keito, an immensely tall and intense-eyed man, in the store. It was love at first sight for Serizawa! However, Serizawa realizes that Keito is extremely shy and meek. What's holding him back? Can Keito overcome his shyness and reveal his true feelings?

Yuuya, a high school student, unexpectedly bumps into Kiriya-san while walking down the street and ends up saving the older man's life. The two are "neither friends nor lovers," but form a companionship in order to listen to each other's troubles. Will this bond turn into love?