Bl with either s Manipulative mc or ml but it doesn't go overboard? Can be s but psychotic...

Cozy obsession

I've read that one but I might as well reread it now! Thank youu

Alr then try

Scandalous wedding

https://www.mangago.zone/read-manga/scandalous_wedding/

And

Stage of dark souls

If you have not :P

I've read the 2nd but not the first, thank youu! (づ￣ ³￣)づ

Have fun reading