The January 2019 issue of Kodansha’s Shōnen Magazine R has announced that Kenji Saito and Porabora’s Goodbye! Isekai Tensei manga will transfer to Monthly Shonen Magazine beginning with the March 2019 issue on February 6, 2019. Prior to this, the February 2019 issue will have an introduction feature and a special short manga.
Saito and artist Porabora launched the manga in December 2017. The manga’s first compiled book volume shipped in Japan in June 2018, and the second volume will ship on February 8, 2019.