How to Get Custom Songs on Project SEKAI: The Ultimate Guide

Project SEKAI: Colorful Stage! (widely known as Hatsune Miku: Colorful Stage) boasts a massive library of Vocaloid bops, commissioned tracks, and iconic covers. But eventually, every rhythm gamer hits a point where they wonder: Can I play my own favorite songs or fan-made custom charts?

Because Project SEKAI is an officially managed, live-service mobile game, you cannot natively drop custom MP3 files or mod unofficial songs directly into the official application. Doing so violates terms of service and can risk your account.

However, the rhythm game community has engineered an incredible solution: Sonolus.