“Kiyoharu, a high school student, has a cute girlfriend and stands at the very top of the social caste. However, he also feels suffocated by constantly hiding his true self and suppressing his real feelings. From then on, he grows close to Mizuki, a library committee member, after sharing a certain secret. When he’s with Mizuki, he can show his true self, and the two of them grow steadily closer. Little by little, he begins to prioritize his time with Mizuki over his girlfriend…?”