[1] The series follows a jobless and hopeless man who dies after having a sad and reclusive life and reincarnates in a fantasy world while keeping his memories, determined to enjoy his second chance at life without regrets as Rudeus Greyrat.

The first season was directed by Manabu Okamoto and animated by Studio Bind, with Kazutaka Sugiyama designing the characters, and Yoshiaki Fujisawa composing the music.

[4] The first part aired from January 11 to March 22, 2021, on Tokyo MX, KBS, BS11, and SUN.

[10] The anime's fourth Blu-ray volume was released on March 16, 2022, and included an extra OVA episode.

[12] Funimation licensed the series and streamed it on its website in North America, Mexico, Brazil and the British Isles, in parts of Europe, Central Asia and North Africa through Wakanim, and in Australia and New Zealand through AnimeLab.

[14] On February 13, 2021, Funimation announced the series would be receiving an English dub, with the first episode premiering the next day.