魔法使いの嫁 詩篇.108 魔術師の青 [Mahou Tsukai no Yome Shihen.108 - Majutsushi no Ao] #4

This is the fourth volume of the spin-off series set in the world of The Ancient Magus' Bride, focusing on the young alchemist Philomela and her struggles with the dark legacy of her family. Written and illustrated by Yumiko Kurahashi, this installment continues the story of the mysterious blue magician and the events surrounding the 108th chapter of the original manga's lore.