西南 せいなん日本 にっぽん外帯 がいたいじゃありません
seinannipponga itaija arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 西南日本外帯

1. It is not in the southwestern Japan outer zone.; It's not part of the southwestern Japan outer zone.

Negative
Polite
Terminal Form