The plot of the series revolves around three yōkai（妖怪）, Bem, Bera and Barro, who arrive at a large coastal city and come across an evil atmosphere, which was brought about by immoral behavior by humans and mischief caused by monsters and yōkai. They therefore decide to stay in the city, fighting against other monsters and yōkai which attack humans, making a few friends in the w... 展开>> << 收起