Mahou Tsukai no Yome Psalm 108: Wizard's Blue

Mahou Tsukai no Yome Psalm 108: Wizard's Blue (魔法使いの嫁 詩篇.108 魔術師の青), localized as The Ancient Magus' Bride: Wizard's Blue in English, is a Japanese manga written by Makoto Sanda and illustrated by Isuo Tsukumo.