Mashle: Magic and Muscles, Vol. 17 (manga)

Innocent Zero’s youngest child, Domina, steps in to put a stop to his father’s pursuit of Mash. Using the reprieve afforded them, Mash’s friends race against the clock in hopes of getting him to Meliadoul, the only hope he has of surviving without a heart. Meanwhile, as Mash hovers between life and death, he encounters a mysterious figure.