My clumsy boyfriend

Shinogu, who is repeating his first year of high school due to his dumbness, is in the same class as Hirose Ayato, a super handsome and mischievous former junior! Shinogu is touched by Ayato's unexpected kindness and how he helps him with his studies... But then Ayato pushes him down on the bed and begs him to give him a "reward kiss"...? Not only a kiss but also more than that... Now Shinogu's body is being developed with more love, more exclusivity, and more tenderness...! Erotic and sweet lessons from a sweet and sadistic teasing ex-junior and an blunt and idiot senior!

Note: Includes one extra chapter.