Responses
I think this fits the bill
http://www.mangago.zone/read-manga/recipe/
sm Gokko
Sneaky Red for the pain and pleasure, maybe?
Deichuu no Hasu for manipulative plot twist, contains incest
Retro BL, last chapter one-shot for gaslighting
Hikizuru Oto for controlling relationship and dependency
Manipulative and controlling seme or uke..... Could also include bdsm,.. Scenes with pain and pleasure???