にっぽんがまかわずじゃなかった
日本蟇蛙じゃなかった
nippongama kawazujanakatta

Noun
Da Copula

The past negative form of にほんひきがえる

1. Wasn't a Japanese toad.; Wasn't the Japanese toad.

Past/Perfective
Negative
Usually Written in Kana