i read this manhwa before but lost it post list extermination so seme has pink hair and is...

i read this manhwa before but lost it post list extermination so seme has pink hair and is like the leader of the "bad" boys of the school and uke has black and is a bit tanner but is new to the school that seme is at and accidently gives the seme amnesia i think but takes care of him until he gets his memories back there's a bunch of other things but thats the gist of it pls help