薄羽 うすば蜉蝣 かげろうじゃないです
usubakagerōjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 薄羽蜉蝣

1. It's not a mayfly.; It's not light/thin like a mayfly.

Negative
Polite
Casual Register