Crimson Spell vol. 3 (Yaoi manga)

Crimson Spell volume 3 features story and art by Ayano Yamane.

Prince Vald continues his journey with the sorcerer Halvi, seeking a means to break the curse that causes him to transform into a demon at night. But enemies looking to take the power of Vald’s cursed sword for themselves bewitch Halvi in an attempt to make him fight the young prince! Forced to the brink, Halvi makes a crucial choice.