故事告诉的是Eido大学社会学副教授Yingsheng Huomura（Saito Gong），他受警方委托协助调查一起谋杀案。然而，他内心隐藏着黑暗的一面，并承认从事极端犯罪，甚至有杀人的想法。
乌丸千岁（千本木彩花 配音）拥有着人见人爱的可爱外表，然而内心里却有着和外貌相差了十万八千里的黑暗和对人类的轻蔑。千岁想要成为一名声优，为了实现理想，她进入了声优事务所工作，却发现展现在眼前的，是一个充满了明争暗斗和尔虞我诈的黑暗世界。
Manager, do you know about my husband's promotion? Director Han told the head of the planning department, Ji Xianyu and Zhang Mingzhu, that if one of them cannot be promoted, they must leave the planning room. There are rumors that Zhang will use his weakness towards women to lobby Han for promotion. Xuanyu is very anxious. He tried to attract Han, but it didn't really have a significant impact, so he called his ex girlfriend Ji Hui. He called Han home and introduced him to her. Han was completely captivated by the seductive Ji Hui. Meanwhile, Xianyu's wife was very unhappy because he blamed her for not getting his promotion, so she went to talk about Han herself...
