(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- | -Evening Showers and Fireworks- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
(CR36) [Yoru no Benkyoukai (Fumihiro)] Tosaka Yonchoume (Fate/stay night)
(C84) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yoru wa Kimama ni- (Kuttsukiboshi)
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
(C84) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yoru wa Kimama ni- | -Nightly Indulgence- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
(CR36) [Yoru no Benkyoukai (Fumi Hiro)] Tohsaka Yonchoume (Fate/stay night)
(C93) [Yorutake (Kimura Yoru)] Toutoi Futari (Granblue Fantasy) [English]
(COMITIA102) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kininaru Futari- | -The Curious Pair- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
(COMITIA104) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Abunai Onsen- | -Dangerous Hotspring- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
(C86) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Bishonure Gakkou- | -Drenched School- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi-Sempai}
