Bundled with the 11th volume of the Ao Haru Ride manga. An episode about Futaba and Kou in middle school. Based on the chapter called "Unwritten." also known as chapter 0 or Prologue.
Quest roles:
Haruka Chisuga(Schoolgirl (voice)), Haruka Terui(Female costumer (voice)), Daiki Yamashita(Naitou (voice)), Yuuta Kasuya(Middle school boy (voice)), Ryohei Arai(Schoolboy (voice)), Koutarou Nishiyama(Middle school boy (voice)), Yui Makino(Yumi (voice)), Yuuki Kitao(Middle school boy (voice)), Shintaro Ogawa(Kou's friend (voice))