トイレ よう擬音 ぎおん装置 そうちじゃありませんでした
toireyō gionsōchijārimasendeshita

Noun
Desu Copula

The polite, past negative form of トイレ用擬音装置

1. Was not a toilet sound device.; Was not a device to make toilet sounds.

Past/Perfective
Negative
Polite
Terminal Form