Mahoutsukai to Aka no Pilgrim

Haukatul, a wizard who only talks, and Beni, an innocent girl.The two meet in a world overrun by wizards who kill for blood. Haukatul, who is always hungry, and Beni, who has nothing but her name, set out on a journey with no destination. But it is a world full of cruelty and love.. (Source: Pixiv Comics, translated)