For Kobayashi, every workday is the same tiring routine, followed by a night of drinking with coworkers to let herself loose. However, her stale life changes one morning when she is greeted at her front door by the huge face of a dragon. Introducing herself as Tooru, the dragon transforms into a young woman in a maid outfit. Having met Kobayashi drunk in the mountains the night before, she accepts Kobayashi's invitation to live with her as her personal housemaid. follows the daily life of Kobayashi, her dragon maid Tooru, and various other dragons as they move past their differences to grow closer together. [Written by MAL Rewrite]