When Kitagawa Marin and Gojou Wakana met, they grew close over their love for cosplay. Through interacting with classmates and making new cosplay friends, Marin and Wakana`s world keeps growing. New developments arise as Marin`s love for Wakana continues to be filled with endless excitement. In their ever-expanding world, Marin and Wakana`s story of cosplay and thrills continues!

Note: The first two episodes received an early screening at a special event on 29 June 2025 at Ikebukuro HUMAX Cinemas in Tokyo. The regular TV broadcast started on 6 July 2025.