Read vol. 2 ch. 19
This is nutts... Holly... this is CRAZY!!!
The MC is a male. A girl has a crush on him but She's a yandere... like... The ultra brutal psychological yandere. She even nailed (yes with nails) him to the floor... It all started during their scool years... And noone do a damn thing about the murdered and torture the girl caused... (Well She went to a school for menatlly sick after the 1st incident but they let her go...)
Ijousha no Ai