Theatrical animation " HELLO WORLD " BD / DVD has been released.
Includes a theater animation released by Tomohiko Ito, released in September 2019. The BD Special Edition includes a bonus disc, a novel written by Madoka Nozaki, and a booklet. The bonus disc includes the main visual commentary and a spin-off anime trilogy "ANOTHER WORLD" drawn from the viewpoint of Naomi Katagakin distributed on Hikari TV.
* With a set of 7 mini posters limited to Amazon.co.jp