Ever since her mother died, Nao Sugawara feels out of place in her wealthy stepfather's world. She has no blood tie to him and lives in constant fear that she will be sent away someday. Making matters worse is Kyouko—her stepfather's new wife—whom Nao hates intensely. Seeking revenge, Nao devises a plan to fake her own kidnapping to drive Kyouko out of her life. However, staying at her friends' houses proves useless, so Nao returns home to see if anyone noticed she was gone. Upset that life seemed to go on without her, the middle schooler decides to pull Kuniko Kusonoki—a clumsy maid at the Sugawara house—into her intricate scheme. Through some pressure, Kuniko lets Nao stay in her small room while they construct their soon-to-be tangled web of lies: all for the sake of revenge.