I Want To Be Born Again From My Girlfriend's Big Breasted Mom

Event-collecting RPG 33 Basic CGs 1 TRUE END --- A few months after entering university, Ryoji was lucky enough to find a girlfriend. His girlfriend, Saki, grew up in a single-parent household and was alone at home with her mother, Riko. So she invited Ryoji, who was not on good terms with his family, into her home and decided to live with him. Riko was very welcoming to her daughter's boyfriend, Ryoji when he came to live with them. However, on the night of the welcome party, Ryoji ended up having sex with his girlfriend's mother. While Ryoji was hesitating, someone appeared claiming to be Sa...