The Idolm@ster: Live for You!

The day before a fan event, Chihaya Kisaragi chooses to rehearse alone, but ends up with Miki and Haruka in a series of unexpected events. They encounter a mysterious truck driver and investigate an old house, raising questions about their destination and purpose. As they navigate these situations, the trio must determine if they will reach the event on time. Other idols also become involved in the unfolding adventure.