First comes marriage, then comes an earthbound love that is out of this world!

From the day his parents named him, Nasa Yuzaki has felt connected to outer space...whether he likes it or not. His efforts to outperform the space program veer off course when an accident introduces him to Tsukasa, a mysterious girl with strange powers. Is she an alien, a moon goddess, or something else? Since she insists on marrying him, Nasa will have plenty of chances to find out!

Himari is on to Tsukasa's secret. All she needs is proof--and when Tsukasa invites herself over for dinner, it seems like the perfect opportunity to catch her unawares. Or has Tsukasa been in control of the situation all along? Back home, Nasa thinks he's got Tsukasa figured out, too. Having analyzed the data, he's ready to explain how her life is eternally tied to the moon...