しろはらとうぞくかもめじゃない
白腹盗賊鴎じゃない
shirohara tōzokukamomejanai

Noun
Da Copula
Negation Auxiliary

The negative form of しろはらとうぞくかもめ

1. Not a white-bellied pirate gull.

Negative
Usually Written in Kana