The TV animation adapted from the classic series novels of Japanese reasoning writer Shui Ze Sui Xin was produced by Kyoto Animation and broadcast from April 20 12. Bingguo is also the title of the first volume of this series of novels.
The story goes like this: Oreki Houtarou, who is not active in doing things and always aims at saving energy, just wants to live a gray high school life. Under the order of her sister, she joined the Classics Department which is about to be abolished. There, he got to know the curious heroines Chitanda Eru, Tombu Rizhi and Ibara Mayaka, who have been classmates from junior high school to senior high school, and the youth academy mystery drama developed by the four of them on the stage of Shenshan High School.