What fate gives you is tragedy, but some people don't want you to bear the sad ending.
Yuni is such a child. Originally, her fate was sad, but because the world couldn't bear to see this child have such a sad fate, when Uni was five years old, she awakened the ability to travel through other worlds in her dreams, and formed bonds with people from other worlds...
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My favorite among tutors is Uni. I cried for a long time after seeing her final ending. Although it cannot change her ending in all the worlds, I only hope that in the world I write, she can get more happiness and have a happy ending.