Starting from the Song of Youth, Walking Through the Heavens

Wear the system and travel to various worlds to make up for your regrets, so that tragedy no longer becomes a tragedy. Young Song Xing is the first world, and it will be anchored by the heroine as the main world later on. It's a time-travel story for a female channel. It has a big golden finger. There is only one male protagonist, Xiao Se. I don't like to split the official version when writing a fanfic, but I don't think the official version of the TV series has a CP feel, so I wrote this article. The heroine will travel through many worlds, but there is only one CP: Xiao Se. The heroine may choose to travel as a man later, which makes it easier to complete the mission, but she will not have CP with other people. I have my own views on the plot, so I won't follow the original plot. Everyone has a world they want to see, which can be mentioned later. Tentatively decided, the first world: Young Song Xing, the second world: Do you know it, the third world: The Star is Brilliant, the fourth world: Chen Qing Ling, the fifth world: Canglan Jue, the sixth world: The youngest son of the chaebol family, the seventh world: To be determined