In the year 2036 mankind has revolutionized the medical field. Scientist have conquered death via the use of internal nanomachines and the “Shell System,” however, only the richest can afford to partake. Yozo Oba has been troubled by strange dreams and one day joins his friend’s biker gang. They embark to the “The Inside,” where society’s elite live, however, this begins a terrifying journey of discovery that will change Yozo’s life forever.

Four years after the events of SHIROBAKO the series, Musashino Animation has gone through unprecedented changes and things are looking bleak for the studio. One day, Aoi Miyamori is offered a role managing a new theatrical animation project. With only a few months left before the deadline, can MusAni complete the project in its current state? It’s up to Aoi to work alongside both familiar faces and new to finish the project in time!