When Asano Shin'ichirou decided to look for a job in order to pay his rent, his teacher suggested that he should work as a housekeeper. He managed to be hired by Shimazu Sakuya, the 37th head of the Shimazu family, who is tasked with exorcising and eliminating unwanted creatures. However, Shin'ichirou accidentally released one of the creatures that Sakuya captured, and now they must cooperate to catch it.
