Hypersonic Music Club
Japanese title: HYPERSONIC music club
Type: ONA
Source: Web manga
Episodes: 1
Status: Finished Airing
Aired: Aug 1, 2023
Duration: 7 min
Rating: PG-13 - Teens 13 or older
Genres: Sci-Fi
Themes: Music

In the world of tomorrow… when technology has reached it limits… a group of young cyborgs must battle the extra-dimensional monster girls for final control of the enigmatic force known only as… The Mystery Frequency!

(Source: Crunchyroll)

In 2017, a short anime film called Hypersonic Music Club was produced in Japan. It was directed and written by Osamu Kobayashi, a veteran of the industry who passed away in April 2021. For various reasons, this short anime was never released. It was made public on August 1, 2023.