No Waifu No Life - 1

(ch. The owner of the owner)
Marine is a woman who has recently married. She and her husband move to a new house, but then Marin discovers something bad: the manager of the house is Murai, her former Basbola coach, who constantly molested her, even when she studied at school.
Although Marin is trying in every possible way to avoid him Murai agrees on their mutual meeting with her husband. And after, having pumped up that drugs, the former coach and lover will begin to halve her sexually, and she will not be able to curb his lust.
(Ch.2 mama to tanetsuke no su)
"very loving " Mom, always hotly Kisses his son Yuri. But the woman’s life changes when Hiroki, a friend of Yuri, finds her behind the masturbation caused by strong sexual dissatisfaction. And now the maternal care and sexual attraction that she had for her own son will spill out on his little friend.