讲述可自由变换与行动的12只谜样深悟，与来自地狱的使者共同出现在人间界，住在人类三姊妹的家中秘密实行将人间界变成地狱的计划。。随动画BD第四卷发售OVA2。A woman is told by a fortune teller that she will meet her soulmate on one of the next five dates she goes on.。