Yoasobi Gurashi! Episode 3

Kazuto abruptly moves in with his childhood pal Yayoi one day. Her helpless appearance excites Kazuto, but as they live together, he gradually starts to sense something is wrong. "While I was away, she... did not invite her lover over?" With Yayoi, who does as she pleases, Kazuto is at his breaking point. She can not complain if she is attacked if she uses someone else's home as a love hotel, can she?