Namiya
"Adventure Into the Past."
Xiao Bo, is one of three orphans on the run who take refuge in a derelict corner store. Once there, they find a mysterious letter seeking advice, ending up in adventure in time and finding unexpected connections with their own past.
Directors: Jie Han
Writers: Jie Han, Keigo Higashino, Siyu Sun, Tiger Xiao, Zhu Siyi
IMDB: tt7645502