JUFD-665 — [Disgusting] My Experience Of Getting An Erection That Made Me So Excited I Couldn't Help It [Bad] My Very Cheerful, Kind And Serious Girlfriend... Was Actually Being Trained By Her Father... Kurumi Kawane

The third installment of the "My Depressed Erection Experiences" series, in which your beloved wife or girlfriend is unreasonably cuckolded! A gem of a depressed erection NTR story that will have your crotch throbbing even as your chest is ripped open. My beloved Kurumi is a classmate from school. I was curious about what kind of house she lived in, so one day I asked her to take me to her house. Unexpectedly, I was welcomed by Kurumi's father and ended up staying the night. However, the scene I saw there was beyond my imagination...