Replace the Heroines Who Have Become Cannon Fodder

Mu Nuan, the most outstanding super genius scientist in the interstellar N years. The Mary Sue system is a life form created from a higher-tech planet. The two met by chance when they were on the verge of death, bound and signed a life-and-death contract to help each other. The former requires a healthy body, while the latter requires huge amounts of energy to recover. The values ​​of the seven deadly sins in the Three Thousand Small World were too high, some characters died prematurely, the way of heaven was damaged, and the world plot went into the unknown, which almost caused the destruction of the Three Thousand Small World. The Mary Sue system reached a deal with the heavenly beings in the three thousand small worlds, and arranged for people to replace these characters to change their own endings and live a different life. In the process, Tiandao repaired the damage and eliminated bugs, and finally extracted a trace of the original energy to pay it as a reward. The first world: the female boss's little wolfdog The Second World: The Survival Story of Little Loli's Family The third world: concubines don't have to worry about getting married The fourth world: Eat all over the stars and the sea The Fifth World: The Acting Career of an Actor The Sixth World: The Struggle History of Primitive Races The Seventh World: Milk Baby's Road to Immortality