電撃小説大賞
In 1996, he made his debut as a writer by attaining the Gold Prize at the Dengeki Novel Prize for his novel "Panzerpolis 1935". His notable works as a writer include "The Ending Chronicle" and "Horizon in the Middle of Nowhere," which are set within the same canonical universe dubbed the "Toshi Sekai" or "City World" and span different eras of said universe.