Kobayashi-san, who lives in an apartment, is suddenly joined by Tooru, who has come to live with her as a maid. Tooru generally thinks of humanity as inferior and foolish, but because Kobayashi-san once helped her in the past, she is determined to serve her with all her might. Today, she puts in her best effort in various ways. This is a daily comedy featuring a dragon girl and an overworked office lady living together!