I know how we said that Yuuki Kai was a not "anime" enough but this seems to swing a little far into the other side of the spectrum...
The normally stay close to Iroha. In a chorus formation, they will position themselves in the most suitable way to back up Iroha.Buster-style speaker.
Can get louder when she gets fired up. Amazing.Chorus speakerfloating microphoneDynamic-Phonon BusterLevitated-type mike.
Will follow Iroha's movements.Strongest at tempoannounce boothBoth a small studio and an amplifier.
Takes Iroha's voice from the floating microphone and divides it into the tweeter, squawker and woofer ranges suitably as it is sent to the chorus speaker and the dynamic-phonon buster.Nekomura IrohaStrongest at vocal range