Please recommend a novel where the female protagonist returns to her childhood after her rebirth and is adopted by the male protagonist again.

It's modern In her previous life, the female protagonist was adopted by the male protagonist. She fell in love with the scumbag and killed the male protagonist and herself. After her rebirth, she felt as if she had returned to her elementary school days. She had found the male protagonist and asked him to adopt her. He had x-ray vision to gamble on stones and a portable space. He still remembered the skills he learned in his previous life, such as Taekwondo, table manners... It was as if the male lead was the president and the female lead called him uncle.