18+ Kobayashi-san Chi no Maid Dragon: Ilulu wa Koi toka Wakarimasen!

When Ilulu came to our world, she had plans for chaos and destruction! And now? She's working at a candy shop with the owner's teenage grandson, Taketo, as her supervisor. But Ilulu's sense of humor and lack of knowledge for the human world, combined with her busty—er, boisterous personality—makes things quite difficult for Taketo, a simple, growing young man who just so happens to suffer from the occasional nosebleed.

A fun and flirty slice-of-life comedy about a clueless dragon living in the human world and the boy who has to keep her in check!

(Source: Seven Seas Entertainment)