What manga/manhwa that traumatized you but loving it at the same time?

This site

a masterpiece but not for the faint-hearted https://www.mangago.me/read-manga/a_married_man/

Ah shit I read that wrong uhhhh ima say uhhhhhhhh that one new trending prison manhwa I forgot the name

MADK

Attack on titan

I'm going to read all of 'em. Thanks everyone!!! lemme cry for weeks!