Asano Kaguya is the twin sister of Asano Gakushuu. Despite having born in a family of high achievers, she does not have any talent nor excells in academics. This home-schooled failure of the Asano family was kept a secret until one day she snaps. Her father shock by such attitude decided to put her in the worst class of his school in hope she could grow in his ways. But what lies for this depressed girl is something she would not expect; a class filled with joy and acceptance, a fate she was fated for and a romance she had always dreamed of.