[Akihabara] Idol Live Event "Idol Planetarium VOL.254" at Akihabara COSMICLAB
"Idol Planetarium VOL.254", an idol live event, will be held at Akihabara COSMICLAB on May 17, 2026. Reservations are ¥1,400, women may enter for ¥0, and a separate ¥700 drink charge is required. All attendees must reserve through TIGET.