にしばんもろこしでしょう
西蛮蜀黍でしょう
ni shiban morokoshideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of せいばんもろこし

1. Probably a westerner.; Probably a Sichuanese person.

Polite
Presumptive
Conjecture
Usually Written in Kana