Mayonaka no Acchimono
While being burned to death by villagers, black goat Leutschkta was taken by the fire god Xiuhtechutli and given a human form. Present day, Lio and Xiu are living together. Though Lio is in love with Xiu, believing he is too ugly to be loved back, Lio stays by Xiu's side as just a servant. As a black goat, Lio has a duty to exorcise evil spirits and cure disease, which he hides from Xiu, who hates humans. However, one day, Xiu discovers Lio has befriended a human boy and becomes enraged. Includes: Ch.4-5: Takara is alone in the world without a single relative. However, he is looked after by his neighbor Katabami, who he has a crush on. When serial kidnappings targeting individuals without families have been happening in town, it turns out Katabami isn't exactly who he says he is and knows more about Takara than he lets on.
Yagi to Ookami no Hatsujou Jijou