Mio Akiyama (秋山(あきやま) 澪(みお), Akiyama Mio) is the bassist and secondary vocalist of the light muziek club.
First appearance~ Episode 1: Dissolution!
Voiced by~ Yōko Hikasa
~3-Color Sunburst Fender Precision bas, bass (manga)
~Fender Jazz bas, bass (anime)
with tortoiseshell pickguard
Mio is a shy girl, and can be easily frightened, mostly...