(C90) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kikenna Senpai- (Kuttsukiboshi)
(C87) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Ichaichaboshi- (Kuttsukiboshi)
[Unknown (UNKNOWN)] Jounetsu Shindo
(C94) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Natsu no Owari Ni- (Kuttsukiboshi) [English]
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai
(C90) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kikenna Senpai- | -Dangerous Senpai- (Kuttsukiboshi) [English]
(C94) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Natsu no Owari Ni- (Kuttsukiboshi) [Chinese] [沒有漢化]
Kitan Jikenroku Hitotara no Sumika Ni
(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- (Kuttsukiboshi) [Chinese] [夢之行蹤漢化組]
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}