hi

In this the seme is totally messed up....
(Yaoi, Dark, psychological...)

https://www.mangago.me/read-manga/hogu_hagyeongsu/

Not only he but his whole family T^T

Similar terms
https://www.mangago.me/read-manga/similar_terms/

Save me
https://www.mangago.me/read-manga/save_me/

Escape into oblivion
https://www.mangago.me/read-manga/escape_into_oblivion/

Checkmate - mc is kind of unhinged but in a good way? i love him for that
https://www.mangago.me/read-manga/checkmate_1/

there’s actually a psychological/murder manwha called “Unhinged”. Maybe try and check it out?