After contracting hepatitis A, Ezaki Yuuichi is confined to a hospital, cut off from his friends and family, much to his displeasure. To relieve his boredom he has begun sneaking out of the wards, often ending up on the receiving end of a beating from his nurse. While there he meets Rika Akiba, a girl his age who is also staying in the hospital. He is immediately captivated by her beauty, though her personality, selfish, moody, and bossy, is far less charming. As they spend more time together, they grow closer, sharing the ordinary joys and trials of a budding teenage romance, even as an impending tragedy looms, Rika’s condition does not leave her muc...