Airi Momoi is a character from the multimedia rhythm game and anime series Project Sekai: Colorful Stage! featuring Hatsune Miku. She is a member of the idol group MORE MORE JUMP! and is known for her cheerful and hardworking personality. Airi was previously a popular idol, but after facing setbacks, she joins the group to pursue her dream of returning to the stage. Her character arc centers on her resilience, leadership, and support for her friends as they grow together as idols.