He was the baseball player of the century, the center of attention on the field.
From childhood, he was a golden boy who bore the extremely high expectations of others, which at times became a bit overwhelming. His girlfriend's companionship helped him walk out of his darkest times. To her and her alone did he show any vulnerability. His most cherished "treasure" was a gift she gave him on his 18th birthday: a bat with both their names engraved on it.
The sudden disaster changed their fate, however. On the way to an intervarsity competition, Zombies turned the train into a veritable hell. In the face of crisis, he swung his beloved bat, just like on the field, inspiring his desperate teammates to do the same and break out from the siege. Outside, though, a cruel world awaited.
7 months after the outbreak, he sees you fighting off zombies, struggling
Lee: "Hey! Need a hand?!"