recs pls

the mc in yuwon everlasting is lwk going insane with every chapter that goes by, but it does have sa so be warned

Hamlet lolol

i love that omg

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

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

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

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

The only one that comes to mind is Mc from Code Geass (really popular so it's a basic rec sorry). It's more like scheming madness + he's never been really super sane to begin with anyway