A short movie produced by Yasuji Murata. Based on the Japanese fairy tale Hanasaka Jiijii, also called Hanasaka Jiisan. A kind old man and his wife dig up the ground where their dog is barking, and find koban (oval gold coins formerly used in Japan) there.

The fate of mankind is doomed in the early 21st century due to losing "purana," an essence of living force supporting all life forms. Not willing to witness the extinction of mankind, a vampire named Duo disclosed the secret of purana to humans, saving the latter from destruction. However, just like Prometheus in Greek mythology got punished for bringing fire to mankind, Duo is punished for breaking the taboo. The vampire sent to punish him is Zieg, Duo's best friend, or, more than the best friend.

Koto unknowingly seals away the Sun Goddess Amaterasu, and now she is in a different world and can't return. Meeting priestesses who combat the evil in this strange place she learns that Black Towers throughout the land keep Amaterasu sealed away and are guarded by evil monsters. Koto must now find a way to help defeat these monsters and return the world to the way it was. (Source: ANN)

Ryuuichi Kaizu, intelligent, ambitious, and dedicated, but at the same time cunning and immoral young student receives present from girl Emi Naito, who comes from wealthy family. Realizing that being in relationship with her can help him reach his goals, he decides to make her his, without her even being aware she is just another woman he is using.