青函 せいかんトンネル記念 きねん かん せんであれば
seikantonnerukinenkansendeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 青函トンネル記念館線

1. If it were the Seikan Tunnel Memorial Line; If the Seikan Tunnel Memorial Line existed

Ba Conditional
Business