Mizuki Haru is a 15-year-old girl who was born with the psychic ability to read minds, her childhood friend was Aimi Mari-Sha, who was sweet, outgoing, joyful, and a bit awkward and clumsy, since they were kids. Aimi has an boyfriend, but Mizuki secretly cheat with Aimi. Aimi cannot explain the feeling she gets around Mizuki, which eventually leads her to believe that their relationship may be more than just a friendship.