Tanetsuke Oji-san to NTR Hitozuma Sex The Animation

This is an anime adaptation of the Doujinshi of Kirin Kakeru.

Kasumi is a mother who is going through a difficult time in her life. For some time, her husband has spoken to her very little and gives her no attention. In addition, she notices that the latter and their daughter have become much closer than before.

One day, one of her neighbors calls her to show her a compromising photo of her husband.