SSIS-636 Brother, brother, if you don't have sex with your brother... I don't want to be spoiled. It's just the time to enter adolescence, becoming a sweet and greasy erotic woman who craves a penis... It's really too exaggerated! Naito Nana

The story follows a coquettish girl in the midst of puberty who develops an intense attachment to her older brother, evolving into a saccharine, erotic craving for his cock. Centered on the taboo brother-sister relationship, the film depicts the girl's transformation from innocent playfulness to active seduction, filled with exaggerated carnal scenes and emotional entanglements, showcasing the ultimate conflict between sexual awakening during growth and familial taboos.