無効 むこうPP ぴいぴいDU でぃうゆうじゃないです
mukō piipii diuyūjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 無効PPDU

1. Not invalid PPDUs.; It's not invalid PPDUs.

Negative
Polite
Casual Register
Computing