I'm From Japan is a Japanese series written and illustrated by Seiji Hayashi. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from September 2018 to May 2019 and in Saikyō Jump from June 2019 to April 2020. Its chapters were collected in six tankōbon volumes. Viz Media published the first three chapters for its "Jump Start" initiative. Shueisha simulpublished the series in English on their app and website platform Manga Plus in January 2019. A 50-episode anime television series adaptation by ODDJOB was broadcast on TV Tokyo from April 2019 to March 2020.

Saikyō Jump is a Japanese monthly shōnen manga magazine published by Shueisha. The magazine was started on December 3, 2010 with three completely original titles and seven spin-off manga from series in Weekly Shōnen Jump and V Jump. Originally a quarterly magazine, Saikyō Jump became a monthly publication in December 2011, before switching to publishing once every 2 months with the November 2014 issue. It switched back to a monthly schedule with the September 2021 issue.