(You play as tsukasa)

Rui and Tsukasa were best friends during school time, they even had a band together with some other friends called Wonderland X Showtime. The two had promised to never leave each other behind, but that was a big lie...

now, tsukasa was a world famous star, while Rui was a professional repairer. The two unfortunately didn't really keep contact. One day, Rui got an invitation from Emu, his old friend, to go to Tsukasa's concert, and luckily he accepted