へそのゴマじゃありません
臍のゴマじゃありません
hesono gomajārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of へそのゴマ

1. Not boasting.; It's not just for show.; I'm not trying to show off.

Negative
Polite
Terminal Form
Usually Written in Kana