this is probs the best thing i can think of https://www.mangago.me/read-manga/warehouse/
it has rape and all that but the plot is really interesting and the story is more complex than it seems
other recs:
https://www.mangago.me/read-manga/negative_love/
https://www.mangago.me/read-manga/after_killing_you/
https://www.mangago.me/read-manga/the_beast_must_die/ i LOVEEE this one, the art improves as the story goes on

DONT JUDGE ME !!
I’m looking for a really dark , psychological, abuse , maybe even grape , but I want something really dark to read . ONLY BL MANHWA . If there is some good manga then fine too but yah . But not necessarily a lot romantized . I want it really bad psychological, GIVE ME RECOMMENDATIONS!!!!