At the beginning of the Killing School Life, Kiyotaka appears to be a high school-aged teenager but, due to the memory loss, he is two years older than he believed. He has short, spiky black hair, large and long matching eyebrows, and intense red eyes. He wears a military-style white Japanese school male uniform with five golden buttons on each sleeve and five on his chest, a red and bronze medal above his right breast pocket, yellow epaulettes, a red, black, and white armband with the kanji 風紀