The person himself was a dragon and human Haafu, and the dragon Sakura Hina which was the town mayor of Sakuracho at night that a human being coexisted with a ghost had ability to let the ghost who committed an evil deed at night in Sakuracho leave in the world of the ghost. Were the Hina which for it, was chased of a ghost doing the harm that continues increasing, but the man called the marine bioluminescence source storehouse handing over the seat of the town mayor of Sakuracho to at night first appears with Satoru of Satori of the existence of the Secretary today. The purpose of the source storehouse was the Koto which did Sakuracho in the town only for ghosts at night. Were the Hina which challenged a source storehouse to a fight to prevent it, but the real nature of the source storehouse had high Ayakashi in Haruka than ghost nurarihyonde, Hina.