Ami and Yumi encounter Gene, a green Genie that originated from a magical amp. He helps the duo time travel to achieve success in music.
This game provides examples of:
- And Your Reward Is Clothes: You can unlock various costumes for both Ami and Yumi.
- Big Bad Duumvirate: Dark Ami and Dark Yumi.
- Canon Foreigner: Gene the Genie.
- Continuity Porn: And how! Several minor characters, antagonists and costumes from the show appear in the game.
- Fish out of Temporal Water: Ami and Yumi are this outside the present.
- Limit Break: Ami and Yumi have different ones for each guitar they use.
- Say My Name: Yumi yells out Gene's name as the duo teleport inside the manga.
- Time Travel: Of course.