小野大輔
is a Japanese visual novel by Nippon Ichi Software and Broccoli. It was released on October 24, 2013 for the PlayStation Portable. An anime television series adaptation by Brain's Base was announced in December 2013 and aired from April to June 2014. The opening theme for the anime was "Till the end", while the ending theme for the anime was "Reason for...". Both opening and ending theme were sung by Miyu Irino, Daisuke Ono, Yuto Uemura, Toshiyuki Toyonaga, Hiroshi Kamiya, and Yoshimasa Hosoya. A second game, , was released in April 2016.