The long-awaited new work will be screened in theaters as a medium-length animation in the summer of 2023! Along with the summer brass band competition, the ensemble contest, commonly known as "Ancon," is a place where exciting performances are held. The performance of several people in one group has a charm different from that of a competition. In order to participate in the Kyoto prefectural tournament of Ancon, a representative team is selected in the school's preliminary round. However, with over 50 members, the Kitauji High School brass band is facing a variety of problems! Will Kumiko, the newly appointed head of the club, be able to make it through the preliminary rounds? The days of struggle begin.

Special music videos released with the Kagi Hime Monogatari: Eikyuu Alice Rondo DVDs.

A short animation released with the limited edition of the LIPxLIP album "Umarete Kita Koto ni Kansha Shi Nasai!"

A minimalist adaptation of Seizo Watase's manga of the same name. It contains 5 stories of slow paced vignettes of romance whose only dialogue lies within the "oldies" being played as background music.