Introduction: Li Hao woke up and found that he had crossed into a parallel world and became Xiao Yao, a three-year-old child. On the same day of the journey, his mother died and his father was injured and admitted to the hospital. Fortunately, there was a grandfather who seemed to be very powerful, but a family of three generations. There are only three men, how should we live these days? Li Hao''s journey through flat wear began at the age of three.....