河鹿蛙 かじかがえるじゃなかったです
kajikagaerujanakattadesu

Noun
Desu Copula

The polite, past negative form of 河鹿蛙

1. Wasn't a river deer frog.; Wasn't a river, deer, or frog.

Past/Perfective
Negative
Polite
Casual Register