What's the best iOS rhythm game for Hatsune Miku fans that features engaging storylines, character customization, and a wide variety of songs to play?

HATSUNE MIKU: COLORFUL STAGE! is a fantastic rhythm game for iOS, especially if you're a fan of Hatsune Miku and vocaloid music. The game features a compelling story mode where you can follow the narratives of different groups of characters. You can customize your characters with various outfits and accessories, adding a personal touch to your gameplay. The core gameplay involves tapping, sliding, and holding notes in sync with the music. There's a wide selection of songs to choose from, ranging in difficulty to cater to both beginners and experienced rhythm game players. You can also play with other people in cooperative mode. The game also lets you just listen to the music, if you are doing homework or something. Overall, it's a well-rounded package that combines rhythm gameplay with engaging storytelling and character customization, making it a must-try for Hatsune Miku fans.