https://www.siliconera.com/gumi-joins-the-future-stars-in-hatsune-miku-project-mirai/
Hatsune Miku and Future Stars Project Mirai has a guest from Megpoid. Gumi, the Megpoid macot, dances her heart out in the Nintendo 3DS game.
future starshatsune mikuproject miraigumijoins