(C90) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kikenna Senpai- (Kuttsukiboshi)
(C84) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yoru wa Kimama ni- (Kuttsukiboshi)
(C87) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Ichaichaboshi- (Kuttsukiboshi)
(SC58) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Mousou Test- | -Delusion Test- (Kuttsukiboshi) [English] {fragmentedhollow}
(C94) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Natsu no Owari Ni- (Kuttsukiboshi)
(C90) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kikenna Senpai- (Kuttsukiboshi) [Chinese] [沒有漢化]
(C95) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Shouwa Ecchi- (Kuttsukiboshi) [Chinese] [沒有漢化]
[Ishikawa Shisuke] Sukinandakedo - I'm lovin' you -
(C94) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Natsu no Owari Ni- (Kuttsukiboshi) [English]
(SC58) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Mousou Test- (Kuttsukiboshi)