In the last life, due to an accident, Qingyou and her senior sister became enemies of each other.
In the next life, she goes back to the past and wants to completely resolve this cause and effect.
"Junior sister, why are you doing this? Master treats you so well."
The once high-spirited girl lost her grace when facing herself.
"I'm sorry, senior sister, I... After this time, we are enemies. See you next time,
Don't be soft on me.
Seeing her senior sister pointing the sword at her, she smiled. Next time, maybe I can get relief.
Concept: cause and effect cycle