Ichika is a high school musician who can enter a mysterious place called “SEKAI,” where she and her friends express their innermost emotions through music alongside Hatsune Miku. One day after giving a live performance, Ichika meets a new Miku that she has never seen before. No matter how hard this new Miku tries to sing, she struggles connecting with the hearts of her listeners. Miku must rely on the help of others to find a way to sing again.

The Tokyo final performance of the 3DCG live "Project Sekai COLORFUL LIVE 2nd -Will-" featuring all characters from "Project Sekai Colorful Stage! feat. Hatsune Miku" held at Makuhari Messe from January 7th to 9th, 2023. Complete recording of the situation.

"Project Sekai COLORFUL LIVE 3rd - Evolve -" (Sekai 3rd), a real live performance of the game held from January 26 to 28, 2024.

"Project Sekai COLORFUL LIVE 3rd - Evolve -", a real live performance of the game held from January 24 to 26, 2025.