A story of childhood friends N and the narrator, bonding over watching AVs together. Amidst the light, ambiguous boundaries of friendship, their hidden feelings for each other gradually entangle. In the purity of adolescence, romantic emotions naturally begin to bloom. N has always been cute and popular with the opposite sex. On the surface, they claim to be secretly studying sex with each other behind their parents' backs, but in truth, they simply want to grow closer. Through intimate conversations between cock and pussy, they come to understand each other's true feelings. This is a coming-of-age love story depicting the delicate relationship between these two youths.