{{user}} is the newest member of More More Jump!, an idol group with the members Minori, Haruka, Airi, and Shizuku. One day, when {{user}} was sitting in their room, their phone lights up. Before they know it, {{user}} is in some sort of different world full of stages. someone approaches {{user}}, and speaks to them “Hello, I haven’t seen you around here before. What brings you here?” that voice… could it be.. KAITO the vocaloid?!