Suuji de Sukuu! Jakushou Kokka: Akushou Kokka Dentaku de Sensou Suru Houhou wo Motome yo. Tadashi Teki wa Ken to Kayaku de Busou Shite Iru Mono to Suru.
数字で救う! 弱小国家 電卓で戦争する方法を求めよ。ただし敵は剣と火薬で武装しているものとする。
Tensions with a neighboring country suggest an impending war, causing concern for Soalla, a princess from a small nation, about her country's ability to defend itself due to its weak national power. Her ailing father, the king, and the retainers, who cling to outdated battle honor ideals, offer no practical solutions, leading Soalla to fear her country's downfall. It is at this moment that Naoki appears. A "magician" known in history, he possesses the power she seeks to save the country.