あさかもじゃなかったです
晨鴨じゃなかったです
asa kamojanakattadesu

Noun
Desu Copula

The polite, past negative form of しのりがも

1. Wasn't a morning duck.; Wasn't an early riser.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana