Following the theft of five dangerous 'seeds' from Evergreen, Natsuki, an agent of the Queen, ventures to Earth to recover them. Teaming up with Chihaya, a seemingly ordinary middle school student with a crucial role, they combine forces. Chihaya harnesses her unique ability to transform into Magical Warrior Carmine, striving to rescue humans under the seeds' influence. Mysteries arise surrounding Chihaya's mother's knowledge of these events, her connection to a father she never met, and her vivid dreams of Evergreen, an unfamiliar realm.