A manga adaptation, written by Midori Tomizawa and illustrated by Seriko Iida, has been serialized in the Nico Nico Seiga-based Comic Corona manga service since December 2017, with its chapters collected into ten tankōbon volumes as of August 2023.

Written by Nozomu Koryu, the series began publication on the Shōsetsuka ni Narō website on February 17, 2015.

[37] A spin-off manga written and illustrated by Kirii, titled Sweet Reincarnation: Licorice Diary began serialization on the Comic Corona website on April 27, 2023.

[51][1] The series is produced by SynergySP, with cooperation from Studio Comet, and directed by Naoyuki Kuzuya, with scripts written by Mitsutaka Hirota, character designs handled by Tomoko Miyakawa [ja], and music composed by Hiroshi Nakamura [ja].

[55] In May 2023, the G123 service announced that it will release a simulation video game based on the series, titled Sweet Reincarnation: Pastries Utopia (おかしな転生 スイートユートピア, Okashi na Tensei: Suīto Yūtopia).