ＣＨＡＯＳ；ＣＨＩＬＤ～Ｃｈｉｌｄｒｅｎ’ｓＣｏｌｌａｐｓｅ～

A prequel to Chaos;Child that details the life of Kunosato Mio before she got caught up in the events of the Return of the New Generation Madness. It starts from her childhood, and eventually leads to the point that she comes under Makise Kurisu's tutelage.