It was serialized in Kadokawa Shoten's Comic Newtype from February 12, 2021 to June 9, 2023, and was licensed for an English-language release by Yen Press in 2023.

The series follows Melissa and Tanya, two witches who seek to gain enough magical power to open the door of truth.

Fully intending to ditch her partner once she reaches the Door of Truth, Melissa begins to second guess her plan as she is charmed by Tanya's enthusiasm to learn magic from her.

Written and illustrated by Studio Headline, The Witches’ Marriage was serialized in Kadokawa Shoten's Comic Newtype website from February 12, 2021, to June 9, 2023.

[2] On November 9, 2021, Kadokawa released a comic reading of the first chapter, featuring Rinke Mabuchi as Melissa, Eriko Nakamura as Tanya and Miho Kumagai as the narration.