[Request] help finding comic.

Looking for a comic I read a while ago.
Gist is, nerdy guy is paid by girl to let her bully him, when he grows up he gets revenge on her by dating her mother who allows him to financially dominate her, controlling her life and slowly breaking her down, all while sexually pleasing her mother.
Slowly the bully is broken down and comes to crave her victims attention.

No idea where I read it, but was in a manga/hentai style, full colour with a lot of detail I believe.

Thanks