
Quick answer — Chiaki Nagai worked on Tamon's B-Side (Series Composition), The Idolm@ster: Shiny Festa (Design Manager), 22/7 (nanabun no nijyuuni) (Series Composition).
Chiaki Nagai worked on Tamon's B-Side (Series Composition), The Idolm@ster: Shiny Festa (Design Manager), 22/7 (nanabun no nijyuuni) (Series Composition).