Star Rail: people on the train, working from 9 to 5

[Honkai Star Rail fanfic, relaxed, invincible, self-disciplined]
Zhou Xiao traveled to the world of Star Dome Railway and became a logistics staff of Star Dome Railway. He also obtained a self-discipline system. As long as he disciplines himself every day, he can get random rewards.
Be self-disciplined for a year and be submissive.
Looking at Zhou Xiao's figure who was cooking on the train, Ji Zi thought calmly in her heart: Well, this logistician on our train is extraordinary...
After ten years of self-discipline, my waist will be straight.
Looking at Zhou Xiao who was wiping a knife at the back of the train, Ji Zi raised her eyebrows and thought: Zhou Xiao is the most powerful combat force on our train...
A hundred years of self-discipline, a flying dragon riding on your face.
Looking up at the frail figure competing against the Star God in the universe, Ji Zi looked solemn: At first, no one cared about how powerful Zhou Xiao, the logistics worker, was until he and the Star God were at odds...