Indeed

if you go through the psychological tag on here you’ll get a lot of messed up stuff lmfaaooo go through it twin :3

check out https://www.mangago.zone/read-manga/psycho_young_dream/

it's rlly good, like really good

here are more recs :
https://www.mangago.zone/read-manga/the_perfect_relationship/
https://www.mangago.zone/read-manga/escape_into_oblivion/
https://www.mangago.zone/read-manga/stalker_s_game/

also tbh anything from Harada too will most likely be toxic and a bit psychological, here are two of my favs from her

https://www.mangago.zone/read-manga/hikizuru_oto/
https://www.mangago.zone/read-manga/color_recipe/

https://www.mangago.zone/read-manga/unfather/ is good too