うたいまつかばじゃないです
鵜松明樺じゃないです
utaimatsukabajanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of うだいかんば

1. It is not Usumatsubaki.; It's not birch.

Negative
Polite
Casual Register
Usually Written in Kana