(SC16) [Guchokuya] Guchokuya Daisangou - Ojamajo Onpu Kanzen Kouryaku Guide Book (Various)
(C64) [Guchokuya (Spec-R)] Tensai Kakutou Shoujo Ayaka Haisetsu Zecchou Taiken (Zen) (ToHeart)
(CR35) [Guchokuya (Spec-R)] Tensai Kakutou Shoujo Ayaka Haisetsu Zecchou Taiken (Go) (ToHeart)
[Flat Racing] Guchokuya's prepared food 6 - Scat addict JK & Mating cow [Uncensored Scat + Bonus Pages]
[Guchokuya (Spec-R)] Moeru! Oniisan (Pia Carrot e Youkoso!!)
[Flat Racing] Flat Racing - Guchokuya's hors d'oeuvre
(CR36) [Guchokuya (Spec-R)] Slavish Fighter Round 3&4
[愚直屋(Spec-R)] (from [FLAT RACING] Driving to the perfection
(CR35) [Spec-R (FOL.EXE)] The Winter Market (Di Gi Charat)
[Guchokuya (Spec-R)] Slavish Fighter Round 5&6 (ToHeart)
[FLAT RACING] ~Guchokuya no Osouzai~ E○ sama no Shouben duke & Na○ no Otoko jiru ae (Mahou Sensei Negima & Samurai Spirits)
(Puniket 10) [Guchokuya] Initial A (Quiz Magic Academy)