Takumi lands a job at the Astro Manor apartment building. There he meets the irresistible landlady, Mira. But little does he know Mira has a secret - she is not from this world!.

Takumi Miyasaki, a gifted chef, was just let go from his job. He lands a gig at an old boarding house called Astro Sou, but he hesitates to accept after learning he must also live there full-time. That is until he meets the beautiful and charming caretaker, Mira Gotokuji, 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.