One seemingly ordinary night, the worlds of two celestial beings collide. The moon, bored and curious from its perch in the evening sky, decides to go down to earth, just in time as a shooting star swiftly descends, trailing a sparkling golden path in its wake. Aiku, the star spirit and Natsuki, the moon spirit, assumes earthly form and meet in a university as regular college students. Will they recognize the cosmic energies hiding within?