Project Sekai Launches Collaboration With Deemo and Cytus Series
Project Sekai: Colorful Stage! feat. Hatsune Miku began a collaboration with the Deemo and Cytus series on June 21, 2026. The event includes a login campaign, a premium gacha, a stamp mission, and the addition of the song "SAIRAI" by Shinichi Kobayashi. The collaboration runs through July 3.