Yanagida Ryuunosuke suffers from a complex... He just can't look girls in the eye! It makes him extremely nervous and his face turns bright red every time. One night, by sheer chance, he sees his neighbor through the window... And she's masturbating!?

That neighbor is Sasaki Ami, his classmate and one of the most popular girls at school... with a peculiar condition she can't tell anyone about. As the two come to share each other's secrets, they form a strange but special bond... This condition is going to make their school lives truly unique!