白襟 しろえりマンガベイじゃなかったです
shiroerimangabeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 白襟マンガベイ

1. Wasn't a white-collar manga bay.; Wasn't a white-collar manga enthusiast.

Past/Perfective
Negative
Polite
Casual Register