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!Nasa knows how Tsukasa?s powers work. Now comes the real challenge: explaining it to Tsukasa. Maybe a YouTube explainer video will do the trick. Or a stage show. While Nasa draws out lesson plans, he risks forgetting his other academic challenge. What happened to the exam battle he and Asimo were supposed to be competing in?