Recs appreciated

https://www.mangago.me/read-manga/time_letter/
https://www.mangago.me/read-manga/dear_friends/
https://www.mangago.me/read-manga/deep_love_ayu_no_monogatari/
https://www.mangago.me/read-manga/deep_love_host/
https://www.mangago.me/read-manga/deep_love_reina_no_unmei/ (i dont think this one was as dark as the others but since its from the same series i added it)
https://www.mangago.me/read-manga/deep_love_pao_no_monogatari/

Tysmヾ(❀╹◡╹)ﾉ~

Sadistic Beauty (Het, gl, bl and smut)
Anything tagged mindbreak

So uve chosen pain.

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

https://www.mangago.me/read-manga/efforts_never_betray/
https://www.mangago.me/read-manga/dansei_kyoufushou_datta_watashi_ga_av_jouyu_ni_naru_made_no_hanashi/

Bastard (webtoon)

Man i read that 3 years ago and i still think about it. That manga is a different kind of pain.