The Rainbow Princesses discover that the Purple Rainbow Princess is Jeshī Murasaki, a childish 19-year-old. She thinks that monsters are real, and that the shadow creatures attacking Sutoroberi City are real, actual monsters. Later, she fights a shadow creature without the others being able to help! After the battle, Keiti offers for Jeshī to join the Rainbow Princesses, but, to everyone's surprise, she rejects.