くろとうぞくかもめじゃありません
黒盗賊鴎じゃありません
kurotōzokukamomejārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of くろとうぞくかもめ

1. Not a black thief seagull.

Negative
Polite
Terminal Form
Usually Written in Kana