From 473 Kudou Shinichi's Young Adventures (below), the characters in the picture are Vivian Kudo and jet who is still a child. Episodes 472 and 473 describe Kudou Shinichi's solution to the library incident in Didan Primary School when he was a child. Xinyi thought the library was strange, so she went to explore, and Xiaolan went with her. The opponent they met was Kuroba Touichi (the father of a race) when he was young. He thought that Shinichi would ask Yusuke for help if he couldn't solve the problem. As a result, Shinichi solved the problem himself. This episode includes young Kudou Yū saku, Yan, Richard Moore, Fei Yingli and Agasa Hiroshi. , but also interspersed with contradictory things about Xinyi and Xiaolan calling each other. It is worth seeing.