Responses
I might be wrong but is it Park Hanhoo's Manager??
might also be https://www.mangago.zone/read-manga/totally_captivated/
Nope that's not it but thanks for helping ╥﹏╥
THANK YOU OMG I LOVE YOU SM ε=ε=(ノ≧∇≦)ノ
I kind of forgot the story but the the mc (has blond hair) works under a gangster who is the male lead (has black hair) they're also I think elementary classmates and the mc did smth humiliating to the ml which resulted the male lead to look for the mc ╥﹏╥ I forgott the story