Shy Himeko adores Chikane, the gorgeous and cool "princess" of their exclusive boarding school. She's been looking forward to their joint sweet sixteen birthday party for weeks. But on that fateful day, a shrine appears in the sky, giant robots ravage the school, and Himeko discovers that she is the reincarnation of the Solar Priestess--and Chikane is the reincarnated Lunar Priestess. As dark secrets unravel, one thing is clear: their lives will never be the same...
Pretty and popular Chikane has two secrets: one, she's the reincarnation of the Lunar Priestess, and two, she's in love with shy Himeko, a girl at her school who's the reincarnation of the Solar Priestess. With the threat of their ultimate nemesis' resurrection looming, Chikane asdds to her list of secrets: she assaults Himeko to make her friend unfit as a priestess. Will these two celestial bodies finally have the chance to become one, or will fate, jealousy and giant robots conspire to keep them apart?