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Bandai Namco has published more details on the upcoming “OathONE” solo concert featuring Chihaya Kisaragi from The Idolmaster series. The company revealed that it will collaborate with Sony, which will provide the Groovots system for the concert.
Sony has recently showcased a demonstration of the Groovots system at the 2025 Sony Technology Exchange Fair. It will consist of a large display robot that shows the main character model and several supporting robots that can move around in accordance with the music while providing additional imagery. More details on the system, including a sneak peek of the devices contained inside, are available in Japanese via Gadget Gate.
In the upcoming concert, Bandai Namco and Sony will deploy a 2-meter-tall (~6’7″) main display robot that will show Chihaya’s model. The supporting robots will have an approximate height of 1.3 meters (~4’3″).
Chihaya Kisaragi is one of the idols who appeared in the original Idolmaster entry. She is performed by Asami Imai, a voice actress who has also released songs on her own. As of the end of 2025, the character has appeared twice on The First Take channel on YouTube, where she performed “Yakusoku (Promise)” and “M@sterpiece,” respectively.
Chihaya primarily appears in console games like The Idolm@ster: Starlit Season and the mobile game The Idolm@ster Million Live: Theater Days. Bandai Namco has also added her to The Idolm@ster Shiny Colors: Song for Prism as a guest idol via a time-limited gacha banner.
The Idolmaster Chihaya Kisaragi solo concert “OathONE” will take place at Nippon Budokan in Tokyo, Japan, on January 24-25, 2026.
