[Unknown (UNKNOWN)] Yogari Sugite Okashiku Narisou 1
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai 2
(C84) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yoru wa Kimama ni- | -Nightly Indulgence- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
(COMITIA102) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kininaru Futari- | -The Curious Pair- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
(C90) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kikenna Senpai- (Kuttsukiboshi)
(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- (Kuttsukiboshi) [Chinese] [RA汉化组]
[Unknown (UNKNOWN)] Yogari Sugite Okashiku Narisou 2
[Unknown (Unknown)] Taiiku Kyoushi 2 ~Bokura no Kagai Jugyou~
(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- | -Evening Showers and Fireworks- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}