【New Book: Honkai Star Rail Genshin Impact: I Became the World Tree?】 【Star Jades Rail fanfiction】【Daily life with daughter】【Contains Genshin Impact, Honkai Star Rail, Little Evil God and chuunibyou, reincarnated Slime plot】 Ye Yun traveled through time to the Star Rail world and obtained the "Myriad Worlds Mall" System. Through the System, Ye Yun can sell items from Myriad Worlds, and can also invite guests from other worlds to the Star Rail world. Every time the turnover reaches a certain amount, Ye Yun can obtain Rewards from the System. The story begins with selling a single Fate Coin to a Star Core.