Katie, a 17-year-old, has been sheltered since childhood and confined to her house during the day by a rare disease that makes even the smallest amount of sunlight deadly. Fate intervenes when she meets Charlie and they embark on a summer romance.
Takuma knows that his life is shorter than the others and he feels that his demise is getting near. He chose to stay away from the girl that he loves so that she can easily move on. What he didn't know is that he is under-estimating her.
Amateur photographer Makoto and the homely but endearing Shizuru meet during their university entrance ceremony and become instant friends. Shy by nature, Makoto finds himself opening up around Shizuru, who is secretly in love with him.
