Rebirth, the childhood sweetheart turned out to be my sister

Summary: A drunken car accident caused Xu Luo to be reborn unexpectedly three months before the high school entrance examination. In order to make up for the regrets of his previous life, he decided to make changes, not only for himself but also for his family. Facing his father's remarriage, Xu Luo supported him with both hands and feet. But... no one told him that his stepmother actually had a daughter, and the one he was talking about was the school beauty who failed to confess her love when he was young... Just when he was worried about how to get along with his sister, his youth had already begun... {Nothing Gory plot, no gory routine} Everyone can eat it with confidence.