Responses
https://www.mangago.me/read-manga/ang_ang/
Is it this one?
https://www.mangago.me/read-manga/ang_ang/
Im not sure but this matches ur description

part of a group of four. The top's best friend has blond hair and is in love with him. The other one do piercings play and the last one have black hair. ╥﹏╥