Yuno, who has longed to enter the Yamabuki High School Art Department, starts her independent life by getting a room in a small mansion called 'Hidamari' located in front of the school. There, she meets her classmates Miyako and her seniors Hiro and Sae. The Hidamari mansion, which means 'a place where warm sunlight gathers,' is actually famous for being 'a gathering place for the oddballs of the art department!' Due to the unique residents, there are constantly big and small commotions happening. However, even as Yuno feels flustered by the challenging lifestyle, she spends her days with her kind-hearted friends, gradually moving towards her dream, go go go~!!