りゅうぐうのつかいじゃないです
竜宮の使いじゃないです
ryūgūno tsukaijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of りゅうぐうのつかい

1. Not a messenger of Ryugu.; Not an emissary from the Dragon Palace.

Negative
Polite
Casual Register
Usually Written in Kana