maria and her daughter's couple had been living together as a family of three since they got married. maria was worried about her son-in-law's gaze on her breasts. she thought it was just a man's nature and couldn't help it, but maria was also feeling strange. one day, when she went to her daughter's couple's room to clean, her son-in-law was masturbating while looking at an erotic book. maria was excited by that and couldn't stand it, so she went back to the living room, masturbated, and fell asleep. then her son-in-law came in. her son-in-law rubs maria's sleeping breasts and plays with her nipples. maria, who woke up, hugs her apologizing son-in-law, saying "you're a man, so it can't be helped." from that day on, she overlaps her body while avoiding her daughter's eyes…