In a world where everyone can see their past lives and inherit their past legacies, Shen Xiu Jin, a time traveler, discovers that the past lives of those around him look familiar. His homeroom teacher was a beautiful woman in her past life, his husband's surname was Wu, and he ran a catering business, making excellent cakes, but his younger brother-in-law was a violent man who once beat a cat to death after drinking. A classmate was a monster in his past life, calling himself Ultraman, always fighting or on his way to fight, criticized for being too violent. The CEO of a large game company was a game developer in his past life, whose motto was that all his games were free. Shen Xiu Jin looks at his first awakened past life: [0 years old, you were born, a girl, and because of premature birth, your body was weak.] [2 years old, you were always hungry, and the family added a boy...]