Kagachi-sama Onagusame Tatematsurimasu: Netorare Mura Inya Hanashi - THE ANIMATION

Based on the erotic game by Orcsoft. On the 2nd anniversary of the marriage, Takahiko realizes that he is no longer getting sexually excited with his beloved wife, Manami. He is aware that this impotence is because of the strange custom he witnessed in his hometown, where a naughty feast takes place every night in the dark throughout the summer festival. Long ago, he ran out of his hometown, horrified, but now he realizes that he can cure himself only by going back to that place... Beloved young wife and the beautiful step mother he adores, pant in the pleasure given by someone else! The lewd netori festival of night begins... (Source: DLsite English)

Soredemo Tsuma wo Aishiteru 2

Based on the erotic game by Lune TeamBitters. Leaving her husband, Yuutou, for her job, teacher Marika is forced to have sex with her student, Yuuki. Her composure still all over the place, the next day she is called out to by the superintendent of the building, Torao. Using a picture of them kissing as blackmail, Torao has fun with Marika’s body for an entire day. Seeing that Marika took off work without notifying anyone, Yuuki worries about her and goes to her place, only to find the two of them fucking. Marika’s husband, Yuutou, starting to get suspicious of his wife, is invited by his peer only to find…