This is the story of one summer in the life of Suzu, a girl with emotional scars, and Kei, a mysterious boy. Fourteen-year-old Suzu has lost control of her emotions after her father died in a power plant accident. Then, a boy named Kei appears, saying, "I wanted to meet you, Suzu." Suzu gradually finds healing in Kei, who has a mysterious aura, and begins to open up to him...