みずらもぐらじゃなかったです
角髪土竜じゃなかったです
mizuramogurajanakattadesu

Noun
Desu Copula

The polite, past negative form of みずらもぐら

1. Wasn't a horned serpent.; Wasn't a dragon.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana