こうようようふうでしょう
紅葉葉楓でしょう
kōyōyō fūdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of もみじばふう

1. Probably autumn leaves.; Probably maple leaves.

Polite
Presumptive
Conjecture
Usually Written in Kana