As a ronin student, I was plagued by the pressure from my mother. She didn't want me to turn out like my alcoholic, sloppy father, but my mother's threatening pressure was pushing my mental state to its limits. Then, one day, when I couldn't take it anymore, I impulsively ran away from home and ended up staying with my aunt, Ai... Ai treated me like a child and behaved defenselessly. Unable to suppress my desire, I instinctively reached for Ai's underwear...!!