わらいかわせみでしょう
笑い川蝉でしょう
waraikawasemideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of わらいかわせみ

1. Probably a grasshopper.; Probably a laughing grasshopper.

Polite
Presumptive
Conjecture
Usually Written in Kana