Miyakuni likes his sensei, Sakuma, and is willing to do anything to prove it. But just how far will Miyakuni go to show his devotion?

Sakuma-sensei is an easygoing high school teacher, who has only one student that listens to him seriously - Miyakuni Shuu. But why does Miyakuni pay so much attention to him?

One day, Sakuma finds out the reason for Miyakuni's seriousness, when Miyakuni corners him during lunchtime and confesses his feelings. Sakuma turns him down immediately, because Miyakuni's just a student, but will Miyakuni's seductive expressions wear down his defense?

Chapter 4. Diary of a Faithful Dog
A story about childhood friends… one is obsessively in love and a loyal dog, and the other kind and pretty… so what could go wrong? Maybe a violent reaction to jealousy…

Chapter 5. We Just Can't Help It
Two friends are constantly fighting… and having sex. But that's all it is, right? Horniness after the adrenaline rush…