おんな兄弟 きょうだいだったら
onna kyōdaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 女兄弟

1. If/when (I/we/you/he/she/they) were/are sisters; If (I/we/you/he/she/they) were/are female siblings

Tara Conditional