蒟蒻 ごんにゃく ぼんじゃなかったです
gonnya kubonja nakattadesu

Noun
Desu Copula

The polite, past negative form of 蒟蒻本

1. Wasn't a konnyaku book.; Wasn't a beginner's book.

Past/Perfective
Negative
Polite
Casual Register