is a Japanese manga series written and illustrated by A-10. It was serialized in Kodansha's shà Ânen manga magazine Bessatsu Shà Ânen Magazine from September 2018 to November 2020, with its chapters collected in five tankà Âbon volumes.
Written and illustrated by A-10, Aka no Grimoire was serialized in Kodansha's shà Ânen manga magazine Bessatsu Shà Ânen Magazine from September 7, 2018, to November 9, 2020. Kodansha collected its chapters in five tankà Âbon volumes, released from February 8, 2019, to January 8, 2021.