Star Dome Train, I open a small shop on the train

Description

【Xingqiong Railway Fantasy】【Training a Daughter on a Daily Day】
Ye Yun traveled to the Star Dome Railway World and obtained the "World World Mall" system.
Through the system, Ye Yun can sell items from the heavens and all worlds, and can also invite guests from other worlds to the Star Iron World.
Every time the turnover reaches a certain amount, Ye Yun can receive rewards from the system.
The beginning of the story starts with selling a "Fate Coin" to the Star Core Spirit.