Responses
Oooo, I have some recs!!
Moonlight (alt name: Lunacy) (current favourite)
Dog and Bird
Form of Sympathy
Circle (Wang Zi Ying)(2nd couple)
The Flower of Aloshya (Not my favorite, but definitely fits the bill and it's pretty popular)
Creating a Hidden Ending (Shonen Ai and Dungeon Breaking, but honestly, peak)
Bro this one is short but ML is crazy and I can probably find more later
https://www.mangago.me/read-manga/raising_beta_winnow/
Something like faux or friend, eighteen's bed, edge of ambiguity.
U know manipulative and obsessive seme.