てながすいてんぐでしょう
手長水天狗でしょう
te naga sui tengudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of てながみずてんぐ

1. Probably a long-nosed goblin.; Probably a kappa.

Polite
Presumptive
Conjecture
Usually Written in Kana