The so-called other home is Liu Shilei's home.
During their winter vacation, Guan Yu promised Liu Shilei to take her to his home for the Spring Festival. The meaning is self-evident.
Liu Shilei's home is in M City, a city near L City. The distance is not very far, just drive past.
Of course, he didn't drive the car. It was driven by his new brother Lin Dong.
As for why Lin Dong accompanied Guan Yu back home, it was traced back to a conversation between Guan Yu and Lin Dong. He was an orphan when he was young and was basically alone during the holidays, which made Guan Yu...