The picture book writer Yuta Tamamori and the editor Toshiya Miyata both spend a summer in a seaside villa to finish their picture book. The two spend happy days in love with each other while helping each other, but one day Tamamori suddenly gets into a traffic accident and leaves. Although Miyata is overwhelmed by sadness, he tries to take over the unfinished picture book to the young writer Takeda and complete it.