がわSS えすえす利用 りよう しゃではありませんでした
kikogawa esue suri yōshadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 着呼側SS利用者

1. Was not a designated SS user.; Was not a registered SS user.

Past/Perfective
Negative
Polite
Formal Register
Computing