There's this bl where mc pretends to be a woman in a game and date the ml there but after he quit the game the ml found out about him and is now making him play the game again.... don't remember we'll but it's this... help me..
It's probably the one from up,still the description reminded me of those two:
https://www.mangago.me/read-manga/my_darling_signed_in/
https://www.mangago.me/read-manga/candy_man/
From what I read the male lead is a really good one.. like the person described him as one of the best ones in manhwas.. and it's a green flag.