Lucoa

Lucoa, whose real name is Quetzalcoatl, is a supporting character from the manga and anime series Miss Kobayashi's Dragon Maid. She is an ancient Aztec dragon goddess who was stripped of her godhood after a drinking incident with her sister led to a scandalous affair. In her human form, she is a kind and laid-back goddess who has a close, albeit often embarrassing for Shouta, relationship with the young mage she serves as a familiar.