Responses

There are definitely more that fit the bill that I cant seem to remember butttt maybe this one? It's more so attention based instead of like a hidden darkside lol but the other guy does ignore him.
https://www.mangago.zone/read-manga/please_pay_attention_to_me/
I'll come back if I remember any other ones :)

I have a good feeling about this one! crossing my fingersss
https://www.mangago.zone/read-manga/exploratory_battle/
I can’t remember the story’s name but it’s a bl manhwa. The top is a nice person and everyone loves him but the bottom knows that the top is just wearing a mask of being happy and nice to everyone and doesn’t want to have any connection with the top and then the top is obsessed over the bottom cause of this