Hininden - Gauss: vol.1
Princess Kurama was confined in a castle. She tried to escape from the castle with her guardian Oka. However, Gensai notice it, and ordered Shura and Dodorome to take her back. Finally, she was caught by them. On their way back to the castle, Princess Kurama jumped from the cliff, and shouted the moon to summon "Gauss". On the other hand, it is present day. Nakamura Daisuke is enjoying a date with Hazuki. At the very moment he tries to confirm their love, his mark on the neck shines, and he is swallowed into the moon. He meets Princess Kurama. However, he leave alone for a while, he is deceived by Dodome, and taken to the castle.