しろえりマンガベイでしょう
白襟マンガベイでしょう
shiro erimangabeideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of しろえりマンガベイ

1. Probably a white-collar manga bay.

Polite
Presumptive
Conjecture
Usually Written in Kana