Unable to make a move while watching his cousin's lewd sleeping posture in the room, he could only secretly masturbate beside her... RTP-030

My cousin, who lives alone, came to visit. It seems she can't go home today and will have to stay at my place. Seeing her lewd sleeping posture in her room, but since she's my cousin, I couldn't do anything to her, so I just secretly masturbated beside her…