第 10 集: 英國記者亞倫·普萊斯調查由紀與被退學的學生有崎明的身分。
2016年6月7日 播出
Aaron Price, Far East correspondent for the British Times, investigates the true identity of Lieutenant colonel Yuuki, the man rumored to have founded D-Agency. Flipping through the Military Preparatory School's list of past enrolees, his eye is drawn to a boy who passed the entrance exam at the top of his class, but was expelled for violence. His name? Arisaki Akira. (Source: Crunchyroll)