I was looking for one too a while back especially after reading https://www.mangago.me/read-manga/koisuru_psycho_no_shirayuki_kun/ (Koisuru psycho no shirayuki-kun)
But the only one that kinda filled the void was https://www.mangago.me/read-manga/after_killing_you/ (After Killing You) and while it falls under its own genre rather than yandere, it ...... 1 reply
