The yandere male protagonist? NONONO, nothing more than silly.
Beautiful, strong and miserable heroine? NONONO, it's really miserable, but it's ugly and stupid.
A poignant love story? NONONO, bloody and cliché.
Male Protagonist: Are you going to get married, the kind that will destroy the whole family?
Bloody warning! ! Be alert! ! General warning about writing! !
Concept: A bloody love story