Takumi, a gifted chef, was just let go from his job. He lands a gig at an old boarding house called Astro-sou, but hesitates to accept after learning he must also live there full-time. That is until he meets the beautiful and charming caretaker, Mira, and he's sold. The two begin to work together and their connection deepens. But Mira has a secret: she isn't from this world!