"Project SEKAI" is a media mix project centered on the virtual singer "Hatsune Miku" by Sega and Colorful Palette. The abbreviation is "Prosecca".

From Sega, the iOS and Android game app "Project Sekai Colorful Stage!", which is the core of the project. feat. Hatsune Miku” will start service on September 30, 2020.

The genre is vocaloid, rhythm & adventure game. Sega and Craft Egg's development subsidiary Colorful Palette are in charge of development. The catchphrase is "Let's sing together!".

《Main Characters》
■ Hatsune Miku
■ Kagamine Rin
■ Kagamine Len
■ Megurine Luka
■ MEIKO.
■ KAITO.
■ Ichika Hoshino
■ Saki Tenma
■ Shiho Hinomori
Mochizuki Honami
■ Airi Momoi
■ Minori Hanasato



・Proseca fans
・ Those who want to know a lot about Proseca
・ People who want to enjoy handsome idol quizzes in their spare time
・ People who want to enjoy a beautiful girl idol quiz in their spare time
・People who are looking for an interesting and fun quiz app
・ Those who want to play quickly like a game to kill time
・Those who are confident in their knowledge of Proseca
・ Those who want to check their knowledge about Proseca