故事描述吸血鬼貴族中的貴族「萊」，在沉睡了 820 年之後再度甦醒，在執事弗蘭克斯坦的協助下，以高中生身份重新開始了嶄新的生活。但是他平凡的高中生生活卻因為謎一般的組織攻擊而逐漸改變……。

《苍穹之法芙娜》重大发表——新作《苍穹之法芙娜 THE BEYOND》制作决定

The protagonist, Masaru, has just inherited a big fortune after the death of his father. However, people are trying to get their hands on it by any means necessary, even if it means killing him. Narumi helps Masaru from being kidnapped after fighting strange figures. He finds out that they're not humans, but wooden puppets with amazing strength. After a hard fight, Narumi is forced to admit that he's no opponent for them; and just when he starts to think that Masaru will be captured, Shirogane, Masaru's watcher arrives from France with a weapon, the puppet Arlequin. Here begins the story of Karakuri Circus.

故事发生在一座名为伊奥鲁夫的城市中，在这里出生的人们拥有无限的寿命，外表却会定格在15岁的模样，玛奇亚（石见舞菜香 配音）就是这样一个土生土长的伊奥鲁夫少女。一天，为了抢夺永生之血，梅萨蒂军乘坐着古代神兽对伊奥鲁夫发动了空袭，造成了惨重的损失，玛奇亚的好友蕾莉亚（茅野爱衣 配音）被掠走了，和蕾莉亚一起失踪的，还有玛奇亚暗恋的少年克里姆（梶裕贵 配音）。
在黑暗的森林里，幸存的玛奇亚捡到了一名男婴，他的双亲在之前的袭击中丧生了。玛奇亚以母亲的身份收养了他，给他取名为艾瑞尔（入野自由 配音）。