One day, a sudden kiss ignites a long-suppressed longing. Akari, a girl who always stays in the nurse's office, far away from the classroom, has a scar carved on her slender arm. Kanae, a married teacher, also has a bruise hidden under the long sleeves she always wears. As they lick each other's wounds, even the pain in their hearts begins to dissipate. It is a warmth that cannot be called love, an obsession that cannot be called a cure. The touch of lips and fingertips was like an embrace. Akari's emotion shocked Kagami, and then...