The heroine is a surfer with a great family atmosphere, lively, cheerful and optimistic, funny and a bit abstract. She keeps up with the hot memes of the times on the Internet. She has an ordinary undergraduate degree. She feels that she is stupid and can't do anything well, but she has the courage to start all over again. The male protagonist has a high IQ, but he has low self-esteem and sensitivity due to his family of origin. When he was three years old, his father committed manslaughter due to excessive defense, and his mother became a madman. She felt that she was living in the shadows and was not worthy of the beauty of the world. The two were selected by the system. Because they triggered the key conditions, they had time to exchange souls, redeem each other, and live happily together.