How did Clara of Xingqiu Railway accomplish Sun's achievements?

1, this achievement is Clara's exclusive achievement and needs to be triggered after the player reaches level 30. 2. After reaching the grade requirements, you will receive Clara's short message, and after replying to the short message, you will take on a difficult and friendly task. This task is a series of tasks. Unlocking all tasks can unlock achievements, Clara and the sun. Hidden tasks in the game often bring unexpected surprises and gains to players. It is suggested to try to find and complete this task in the game.