GVG-756 Sister Crime Diary Kurumi Kawato

An older sister and younger brother have decided to live in a shared room at their relative's uncle's house. There shouldn't be any problems between the siblings, who are close friends, but the younger brother gradually begins to get excited by the older sister's gestures and the large breasts on her small body. Contrary to the older sister's feelings, which she tolerates because they are family, the younger brother's crotch continues to be stimulated, and one night, the younger brother finally rapes the older sister...