[Sadokko] Ryoujyoku Choukyou Album
(COMIC1☆4) [BlueMage (Aoi Manabu)] Houkago Another Days (Houkago Play)
[Yarii Shimeta] Futarikiri no Houkago
[Key] Houkago Vanilla
[Sasamori Tomoe] Houkago no Yuutousei Ch. 1-8 + Appendix [English]
(Shota Collection 2) [Houkago Paradise (Sasorigatame)] Takuya Kyun Gokkun Seishibori!! (Digimon Frontier)
(C93) [Saboten Binta (Kawakami Kou)] Mahoutsukai to Himitsu no Onsen 2 (Houkago no Pleiades)
[Ozaki Miray] Houkago Love Mode 10
[Kawamori Misaki] Himitsu no Houkago
[Yuuki Homura] Houkago Love Royal