[ Manga Streaming ] Watashi wa Kairaku Izonshou Episode 2

Yabitsu Hiro's sexy manga series serves as the inspiration for this film adaptation. A man has just moved into an apartment complex with his pregnant wife when he unintentionally stumbles onto an orgy taking place in one of the units. After realizing that his wife hasn't been fucking him recently, he decides to join in on the fun himself. His first victim is one of his adolescent neighbors, and he finishes up fucking his landlady as a last gesture to kick things off properly.