ひだりかんかぎゅうでしょう
左巻蝸牛でしょう
hidarikankagyūdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ひだりまきまいまい

1. Probably a left-coiling snail.

Polite
Presumptive
Conjecture
Usually Written in Kana