Doujinshi (C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho No Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
Doujinshi (C86) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Bishonure Gakkou- | -Drenched School- (Kuttsukiboshi) [English] {Hikikomori Honyaku Ft. Hanabi-Sempai}
Doujinshi (C91) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Ai No Suzukuri- | -Building A Lovenest- (Kuttsukiboshi) [English]
Doujinshi Big Black Cock (COMITIA102) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kininaru Futari- | -The Curious Pair- (Kuttsukiboshi) [English] {Hikikomori Honyaku} – Kuttsukiboshi Red Head