Responses
Formless
Love in Hell
Warning: both of these are super toxic with major red flags but thats what comes to mind
Let Me Love You ( https://www.mangago.me/read-manga/stalk_in_love/) has a plot exactly like the one you're looking for.
https://www.mangago.me/read-manga/stalker_x_stalker_kadiro/
This is more of both stalker but ML was like ohh me too. This might not match to what you want but that what I know
I need some recommendations where the mc stalks the ml but the ml know and loves it, do anyone know anything with this plot?