Project Sekai promo image featuring Hatsune Miku and Ichica looking at a meteor shower whilst sat on top of a jungle gym.

Project Sekai

A rhythm-based mobile gacha game starring Hatsune Miku and her friends

Publisher SEGA
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Developer Colorful Palette
Project Sekai events | Project Sekai characters | Project Sekai cards
Project Seka events: Ena crying in a cherry blossom field

Project Sekai events December 2025