Yuki, who thought she could have sex with her boyfriend, gets introduced to a male friend of his boyfriend and becomes upset. She starts berating the man, who is said to be an M guy, as instructed by her boyfriend. As they proceed, Yuki starts thrusting her hips in front of the camera her boyfriend is operating. Ultimately, he gets fucked by an M guy in front of his boyfriend, with his boyfriend's approval. NTR.
