Ke Xuezhi My Sister Is Koizumi Hongzi

In the original world, Chiba Kamishiro was just an ordinary social worker. One day, she accidentally got into a car accident while crossing the road on her way home after working overtime. Then he traveled to the world of Detective Conan. Just travel through time, but who can tell him why he turned into a 7-year-old boy and was in the same class as Didan Sansi! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.