Absolute Duo is a Japanese light novel series by Takumi Hiiragiboshi with illustrations by Yuu Asaba. An anime television series adaptation by 8-Bit was announced at Media Factory's 2014 Summer School Festival event. It began airing on January 4, 2015.
Kokonoe experienced great sorrow, the girl he loved greatly and it is no longer very hard on this. He does not want this thing just leave and intends to make retribution to those who committed it with his kopeck piece. To implement his plan in life he became a pupil of one of the elite institution which teaches the art of combat, it was not easy to do here because there is a very strict selection. He can wield a sword special force that is able to transform into his soul.
