2025.12.09

Behind the Scenes of 'Proseka's' 5th Anniversary—The Creators' Challenge of 'Telling Stories with Costumes'

#Project SEKAI COLORFUL STAGE! feat. Hatsune Miku

#Proseka

#Costumes

#Character Design

#Music Game

#SEGA

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Five years since its launch, Project SEKAI COLORFUL STAGE! feat. Hatsune Miku (hereafter 'Proseka') has evolved beyond a mere music game into a universe that weaves stories alongside its players.

A key element coloring this world is the costumes, which give form to the characters' allure. The unique identity and worldview of each unit are breathed into every detail of the design.

How are the characters' emotions and stories translated into their outfits? What vision has driven the production team's five years of continuous evolution and change? In this feature, we dive behind the scenes of costume production to unravel the core of 'Proseka's' expression from the creators' viewpoint.

The Allure of Proseka and Its Costumes at the 5th Anniversary

Proseka is a rhythm game that fuses Vocaloid culture with smartphone gaming to create a fresh musical experience. New tracks from popular Vocaloid producers debut within the game, while beloved classics are given new life with 2D and 3D music videos performed by the in-game units. Proseka acts as a platform where music is constantly being refreshed.