くろあげはじゃありません
黒揚羽じゃありません
kuroagehajārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of くろあげは

1. It is not Kuroageha.; I am not a Kuroageha.

Negative
Polite
Terminal Form
Usually Written in Kana