Widow boarding house? We also rent out cleavage

Storyline: Starring Enjo Hitomi, who boasts a beauty and lustrous body that makes it hard to believe she is in her 50s. Co-stars Kyono Mirei and Tachibana Mary also perform erotic scenes that are just as good as Enjo Hitomi's. Yumi lost her husband seven years ago and runs a boarding house on her own. The four lodgers are Osaki, who has failed the entrance exam for ten years, former yakuza Yoneda and Yamaguchi, and her daughter Miyuki. On the seventh anniversary of her husband's death, Yumi, dressed in mourning clothes, comforts herself by talking to her late husband. Osaki peeks at Yumi as she climaxes, convulsing violently...