西武 せいぶ池袋 いけぶくろ せんだったら
seibui kebuku rosendattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 西武池袋線

1. If it were the Seibu Ikebukuro Line; If the Seibu Ikebukuro Line were the case

Tara Conditional
Business