A special forces soldier accidentally died, and his soul traveled to a world similar to the Republic of China, where warlords were divided. As the son of the third warlord, he was born with a boy and a girl. His mother died of a baby girl due to a dystocia and became insane, so she always raised the hero as her daughter. When the protagonist solves the mystery of the womb at the age of 12, he officially begins his legendary journey to another world. On one side is her mother's little princess, on the other side is her father's successor and chess player behind the scenes. Will the enemies who don't know the truth and the allies who cooperate with each other be dumbfounded or dumbfounded when they know the truth?