がわNS えぬえす利用 りよう しゃであれば
kikogawa enu esuriyōshadeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 着呼側NS利用者

1. If/When wearing the call-side NS device; If/When being an NS device user on the call side

Ba Conditional
Computing