おとこ友達 ともだちであれば
otokotomodachideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 男友達

1. If (I) had a male friend; If (she/he/it) had a male friend; When (I) had a male friend; When (she/he/it) had a male friend

Ba Conditional