Ladies and gentlemen, well, mostly gentlemen (남자의 눈물) I wish for...

STALKER TRYNDAMERE!

He has a big sword and ignores everything to get to one person.

Most importantly, his ulti would say

Undying Love
Undying Love
Undying Love
Undying Love

I got the idea while reading stuff and comments on those...

On second thought, stalkers are not romantic at all, especially the homicidal ones.