Guan Xin, a 23-year-old on-board mechanic, is a sunny and handsome young man born in the 2000s who lives in Yakeshi, Hulunbuir, Inner Mongolia. After graduating from university in 2021, he came to work at the Harbin EMU of Harbin Bureau Group Co., Ltd.

This year is his second Spring Festival on the bus. When the G1276 Fuxing EMU bound for Wuhan Station slowly pulled out of the platform, he followed the train in the opposite direction of home.