A new cheat game story of Lilia, the Marchioness's daughter, who is an incredible genius in every way from handling magic to domain management. Carrying memories of her past life at birth, she is eager to get ahead of the game when she discovers magic exists in her reincarnated life. Despite being a 0-year-old who can only crawl, Lilia starts raising her level with full vigor. Eventually, she masters advanced magic by the age of five, as well as control high-level spirits and manage the domain. Using cheat codes, as if this world were a role-playing game or cattle ranch game, she inevitably receives attention from the royal family, and gets invited to the palace on her birthday. But alas, could this world foreshadow a romance game where she must become a villainess that has a political marriage with one of the princes?! Hell no!!!!