ATID-456 I have Been Secretly Fucking My Step Sister For Three Years. Tsumugi Akari is a beautiful girl. Because she has grown up, her mother decided to get another husband to fill the void after many years of loneliness. However, Akari is not very satisfied with her stepfather's family because his house only has 2 rooms, so even though she is an adult, Akari still has to sleep with her stepfather's younger brother. Moreover, Akari already has a boyfriend, so whenever they want to fuck each other at home, it's very difficult. But how could Akari's beautiful body exude an extremely seductive scent, so his brother couldn't control himself so he always wanted to fuck Akari. Can this guy do it?