When you look back on your life, do you have any regrets?
If it happens again, I will never hurt that person.
If I had to do it again, I would definitely not do that.
So... If we could live our lives over again, would we be able to avoid those detours and find the most perfect solution?
30-Year-old Gu Xiaoyu is lucky enough to go back to her high school days.
Faced with the first love of a scumbag, a warm deskmate, and a green tea best friend,
Can she really make the "right" choice?
Reality may reflect you, me and others in the story.
Concept: Youth always has regrets. But if you live again, will you do better?