(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- | -Evening Showers and Fireworks- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
Kitan Jikenroku Hitotara no Sumika Ni
[Unknown (UNKNOWN)] Yogari Sugite Okashiku Narisou 2
[Unknown (UNKNOWN)] Tobira to Kamen
(C87) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Ichaichaboshi- (Kuttsukiboshi) [Chinese] [沒有漢化]
[Unknown (UNKNOWN)] Jounetsu Shindo
(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- (Kuttsukiboshi)
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai 2
[Unknown (UNKNOWN)] Tobira to Kamen | Doors and Masks [English] [Anzu]
(COMITIA102) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kininaru Futari- | -The Curious Pair- (Kuttsukiboshi) [English] {Hikikomori Honyaku}