'Love me doctor' If U haven't read it... Or
https://www.mangago.zone/read-manga/hands_up_me/
it’s not complete yet and it’s more smut forward than third ending but I have to rec this as a fellow third ending lover. it has the same notes as high school confession and a scorned lover that haunts the person who rejected him
https://www.mangago.zone/read-manga/the_secret_to_winning_unrequited_love/
the top realizing too late and now has to chase him back (but maybe wait for a few chapters or when the officials release bc it’s soon and the burn is going to be slow)

I've started reading abt 5yrs ago and have almost nothing left to read (nothing good that i could find). I was hoping if yall can recommend some good manhwas like the third ending with chasing arcs (〃゚3゚〃). And no love triangles