スパイク・チュンソフト
"Kirigirisō" was announced and shown in the October 2016 issue of "Famitsu" by Spike Chunsoft, as a "sound novel" for personal computer systems Windows and OS X. The game was developed by "Danganronpa Kirigiri" author Takekuni Kitayama on request of Spike Chunsoft, as a crossover sequel to "Otogirisō" and prequel to "", featuring elements from the "Danganronpa" series.