The TRY3 members help the Vanguard idol duo Rummy Labyrinth get ready for a performance. Novice idol and Vanguard fighter Luna wants to become friends with her strict, more experienced partner, Am, but seems to keep screwing up at every turn.

As the Dragon Empire Branch G Quest continues, both Tokoha and Chrono find themselves in "jail" and only Shion can get them out... by defeating the "guardian", Miwa! And he`d better do it fast because time is running out...