Shuurei Kou and her friend Eigetsu To, a boy prodigy of humble origins, have been appointed co-governors of the Sa province, one of the eight provinces in Saiunkoku. Together, they decide to make the province an academic research center in the hopes of bringing a long overdue prosperity to the region. However, while Shuurei goes to the capital to obtain approvals for the ambitious project, the Sa province's recently...