There is a small town somewhere in Japan, which is surrounded by nature. In this town, there is a large and gorgeous school, Otobashi Gakuen; which was founded to make the students familiar with nature. This story starts off with Kurusugawa Himeko. She is a normal student who goes to Otobashi Gakuen. She leads bright and enjoyable school days with her two friends, Himekawa Chikane and Oogami Souma.Chikane is the only daughter of a distinguished family. She excels at both academics and sports. She is also kind and beautiful, making her very popular among the other students.Oogami Souma is Himeko's childhood friend. He has problems expressing his emotions directly, but he is very sincere.On Himeko's 16th birthday, a dark moon blocks out the sun, and the Orochi come forth to destroy the world. But why are they targetting Himeko...?

Kiiko is your normal girl, besides her secret of being able to move objects with her mind. When a new student named Aaya moves in, Kiiko starts to develop feelings toward her. The two will eventually then start their romantic relationship. Although everything seems fine, Kiiko does not know that Aaya has another secret, a secret that could ruin Kiiko’s feelings and trust for Aaya.

Hazumu confessed his love to Yasuna, but she turned him down. To ease his heartbreak, he went to Mt. Kashimayama where he had met her for the first time. He loses his way in the mountains, and it starts to get dark. Seeing a big shooting star in the sky, he begins to formulate a wish, but quickly notes that something is very wrong. For the shooting star is actually a space ship about to crash into him. And then he died. Only with the help of the aliens could his live be saved. However, he became a girl, due to an accident during the reconstruction of his body.

Hazumu confessed his love to Yasuna, but she turned him down. To ease his heartbreak, he went to Mt. Kashimayama where he had met her for the first time. He loses his way in the mountains, and it starts to get dark. Seeing a big shooting star in the sky, he begins to formulate a wish, but quickly notes that something is very wrong. For the shooting star is actually a space ship about to crash into him. And then he died. Only with the help of the aliens could his live be saved. However, he became a girl, due to an accident during the reconstruction of his body.