As the third-years stare college entrance examinations square in the face, the seasons change from autumn to winter, and the lives of third-years Hiro and Sae, as well as their underclassmen friends - Yuno, Miyako, Nazuna, and Nori - start to slowly but surely change too. Still, their daily lives carry on, full of warmth and gentleness, and there's no short of fun for all to be had! The springtime of youth and the happiness that comes with it is just where it's always been - at the Hidamari Apartments!