New students at Aokisora High School Mishima Haruki and Honda Towa are best friends. Honda oftens stays over at Mishima's house after coming over to hang out. At a convenience store near their high school, Mishima runs into his classmate Mashiki Miharu, a girl he's recognized since he was little. Though they've never spoken much before, when Miharu accidentally knocks over a bunch of products, Mishima helps her put them back without a word. Meanwhile, Honda is being avoided by Mihashi Mami, the other class representative...