おにだるまでしょう
鬼達磨鰧でしょう
oni darumadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of おにだるまおこぜ

1. Probably a demon/ogre.; Probably a daruma.; Probably a pufferfish.

Polite
Presumptive
Conjecture
Usually Written in Kana