GVG-789 — Sister R** Diary Momojiri Kanon

The new house they moved into has few rooms, so Michiru ends up sharing a room with his older sister Kanon. When he sees his sister changing clothes or getting dressed after a bath, he feels something strange in his crotch, and he starts to think of his sister as a woman. Then, one night, he can't hold himself back and rapes his sister while she sleeps next to him...