Kei Tsuzuki (都築 圭)
Cameo appearance in Episode 7 as a pianist and composer.
The iDOLM@STER SideM
Supporting
The iDOLM@STER SideM: Wake Atte Mini!
The iDOLM@STER SideM: Wake Atte Mini! Specials
Toki, Shunichi
