Toxic x toxic. Codependency. Maybe a dash of Stockholm syndrome and yanderism? NOT abuser x victim. I want to read that shit and think "oh these assholes deserve each other".
Red mansion
definitely https://www.mangago.me/read-manga/red_mansion/ they were match made in hell
https://www.mangago.me/read-manga/unchanged_man/ codependency
https://www.mangago.me/read-manga/warehouse/ this one's actually sort of victim x abuser but it's really interesting i highly recommend
https://www.mangago.me/read-manga/black_mirror/
can't forget the og of ogs https://www.mangago.me/read-manga/killing_stalking/
Unchanged Man both crazy plot twists even crazier we still don’t got a full grasp on their relationship bc unreliable narration. I suspect a third person involved that mc mixes up with the ml thus pushing the ml to take incredibly DARK measures to keep him.
I read it and went to Twitter to engage with their fandom. 3 Doritos later and unchangedmantwt is being cancelled for being pedophiles and making child rape jokes. Yaoi has taking me to places I wouldn't go with a gun.
The one where the male protagonist was a child being experienced on in a facility, his "hyung" wore a bird mask, a top awakened rescued and adopted him, he dies, goes back into the past, rescues a group of school kids with abilities, trains them, rescues and adopts his younger self, etc etc