北国 きたぐに赤海老 あかえびであれば
kitaguniakaebideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 北国赤海老

1. If it were a Hokkai-ebi (North Sea prawn); If it is a Hokkai-ebi (North Sea prawn)

Ba Conditional