竜宮 りゅうぐう使 つかいではありません
ryūgūno tsukaidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 竜宮の使い

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

Negative
Polite
Formal Register