Bingguo is a Japanese youth campus reasoning movie. The hero played by Kento Yamazaki is an "energy-saving" high school student who has no active interest in anything. He joined the school's "Ancient Books Research Society" under the recommendation of his sister, and met Chitanda Eru there. After solving many puzzles in the school, he was entrusted by Qianfantian to find out the mystery hidden in the social magazine Bingguo. In the play, the people's club is not love rat.