Majo no Kaigashuu

Majo no Kaigashuu (魔女の怪画集, Majo no Kaigashū, The Witch's Bloody Paintings) is a Japanese manga series written and illustrated by Hachi.

Plot
An orphan named Aisha has been gifted the incredible power to make paintings that perform miracles just by using her blood. She and her best friend Loki have a wonderful time together, despite her deteriorating health. However, Loki realizes that he’s nothing more than Aisha’s drawing when he tries to save Aisha one night from an attacker. Aisha sends him on a quest to destroy her paintings and her curse, and to save the people changed by them, but can Loki look past his hatred of humans in order to carry out her wish?