https://www.mangago.me/read-manga/nande_koigataki_ga_ki_ni_nannen/
I also really really like this trope and trying to find more.. (^^)
https://www.mangago.me/read-manga/totally_captivated/
I don't recommend this cus it's shit but it's the trope your looking for
https://www.mangago.me/read-manga/the_snake_that_swallowed_the_pomegranate/
This one you might have red, it's a bit one sided from the mc only cus he thinks the pink guy is trying to stole he's men but actually he's trying to stole the mc heart instead, if you not red this (highly recommended)
https://www.mangago.me/read-manga/bad_contact/
If not red this, (highly recommended, this is the trope your looking for)
https://www.mangago.me/read-manga/bad_contact/
Did my comment disappear? If not red this (highly recommended, this has the trope your looking for)
https://www.mangago.me/read-manga/love_your_love_enemy/
I enjoyed this one.
https://www.mangago.me/read-manga/discarding_the_misfit_collar/
This one is a little different, they got dumped by the same guy but it's similar

Any bl reccomandation where both guy Pursue the same guy but end up falling for each other? Kinda like enemies to lover. Also I've already read boundary of delusion.