The Idolmaster SideM announces theatrical film and voice actor event

Bandai Namco Entertainment has announced the theatrical release of ‘The Idolmaster SideM F@NTASTIC BATTLE FES ~Who goes first~’, scheduled to premiere in Japanese theaters on November 20, 2026. The film will feature stage footage from the 2025 Makuhari and Osaka performances, showcasing eight units and a total of 25 idols from 315 Production.

Screenings will include both standard formats and ‘cheering screenings’, where audiences are permitted to use concert goods and applaud. Advance movie tickets are set to go on sale starting October 16, 2026.

Additionally, a public recording event for the official web radio ‘315 Pro Night! Dispatch Edition’ will be held on December 12, 2026, at Animate Hall BLACK in Ikebukuro. The event features voice actors including Issei Kikuchi and Yoshiki Yamaya and is tied to the release of the ‘M Fes 2026 in Winter Wonderland’ theme song CD.