Finding a yaoi anime

Please help me to find a yaoi anime I watched like 5/6 year ago , I really don't remember it's name
╥﹏╥.
So the 1st episode was like : Uke (blonde/brown haired I don't quite remember) has a crush on seme(black haired) for a long time. So he went to the same school , university and workplace as seme . Their design was like 90's yaois , I mean like tall and board enigmatic seme and shorter, slender handsome uke . The 1st episode starts with their workplace ig , and then they had seggs too . And a female colleague has crush on uke .