Naori Shida is a college student who loves making alcoholic drinks but has no friends to share them with. At a mixer, she meets Hinata Ibuki, who she ends up taking home with her. After making her a drink, Naori discovers that Hinata is an ogre girl descended from Shuten-douji who needs alcohol to live, can only drink alcohol offered to her by humans, and grows horns whenever she drinks. Thus, Hinata decides to make Naori her personal bartender.

(Source: MU)