people looking for games or manga in the genre of ntrback
where the main character sees his mother /wife/girlfriend/aunt that she is being fucked and begins to take her for himself (not necessarily completely)
examples Manga
Kaachan wa Ore no...
Gibo
examples games
[Hoi Hoi Hoi] 隣の爆乳奥さんとエロガキとチャラ男
Outmaneuver! NN Pick-up Beach
where the main character sees his mother /wife/girlfriend/aunt that she is being fucked and begins to take her for himself (not necessarily completely)
examples Manga
Kaachan wa Ore no...
Gibo
examples games
[Hoi Hoi Hoi] 隣の爆乳奥さんとエロガキとチャラ男
Outmaneuver! NN Pick-up Beach