If you like yaoi, you can check out "A Guy Like You". It has a plot that is sort of similar to what you are describing.
If you like yaoi/ BL, then you can check out "A Guy Like You" it has a similar plot to what you described.
hahaha this was the first thing that came to mind:
http://www.mangago.zone/read-manga/slutty_guy_falls_for_a_straight_man/
what you literally just described is
http://www.mangago.zone/read-manga/your_heart_in_my_hands/
its kinda meh for me, but still, ε=ε=(ノ≧∇≦)ノ
ty :)
looking for manga where one of the mcs hates the other one and approaches them to ruin their life or get revenge but they end up falling in love, or not and the mc actually ruins their life, etc.
ty (▰˘◡˘▰)