無効 むこうPP ぴいぴいDU でぃうゆうではありません
mukō piipii diuyūdewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 無効PPDU

1. Is not an invalid PPDU.; Not an invalid PPDU.

Negative
Polite
Formal Register
Computing