Popular bl with a cute seme w brown hair, uke has black hair and dark circles. I think uke...

killer crush?

Is it this one? https://www.mangago.me/read-manga/when_the_killer_falls_in_love/

"When the Killer Falls in Love" ?

this? https://www.mangago.me/read-manga/when_the_killer_falls_in_love/

Is it this one?

https://www.mangago.me/read-manga/when_the_killer_falls_in_love/

Killing Stalking?
https://www.mangago.me/read-manga/killing_stalking/

dude

Lmfao avengers assemble