The protagonist Masaru has just inherited a large amount of property after his father's death. However, people are trying to obtain it through any necessary means, even if it means killing him. Narumi helped Masaru avoid being kidnapped after struggling with strange characters. He discovered that they were not humans, but wooden puppets with astonishing power. After a difficult struggle, Narumi was forced to admit that he was not their opponent; Just as he began to believe that Masaru would be captured, Masaru's defender Shirogane came here from France with a weapon - the puppet Arlequin. The story of the Karakuri Circus begins here.
这群所谓的“超人类”成为了普 通人类的统治者，他们通过发色来区分等级，其中，黑发和金发，分别处于等级的最底层和最高层。 在首都塔拉古纳，有一群被称之为“宠物”的低等居民。他们被豢养、玩弄，每天都生活在没有尊严的纸醉金迷中。里奇（关俊彦 配音）就是其中的一员，但也是特殊的一员，黑发的他属于底层居民，而他金发的主人雷森（盐泽兼人 配音）却是朱庇特最喜欢的“孩子”。其实，他们的感情早已远远超出了正常的宠物与主人之间的界限，然而，在朱庇特看来，这样跨越阶级和种族的感情是绝对不允许发生的。这一对禁断的恋人会有一个好的结果吗？在绝对的统治之下，所有的一切都显得那样渺小。
又到了将近马上长矛大赛的时期，为了培养出优秀的骑士，水野贵弘以辅助员的身份在学校中遇到了形形色色的高贵的大小姐们。 曾经受挫的骑士化作今日的骑士辅佐员，和少女骑士一起去拉开这持久激烈的战斗。
