プロテクティブMBR えむびいあうるじゃなかったです
purotekutibu emu bii a urujanakattadesu

Noun
Desu Copula

The polite, past negative form of プロテクティブMBR

1. Wasn't protective MBR.

Past/Perfective
Negative
Polite
Casual Register
Computing