Xu Tingyu, the top scorer in the national college entrance examination, accidentally transmigrates into a Mary Sue novel and becomes a vicious female supporting character who obsessively throws herself at an award-winning actor and is hated by everyone. The twist? She arrives right in the middle of the college entrance exam. Taking tests is her specialty! From solving the toughest math problem in four different ways during a livestream and revealing her identity as the national top scorer to tearing apart a fake innocent woman on a romance reality show and exposing an actor who lives off women, Xu Tingyu turns every disadvantage into a victory. Then the mysterious guest Meng Baizhou appears, and she discovers that she isn't the only person who has transmigrated into this fictional world.