(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
(C94) [Penetrate (Reiha)] Doutei Teitoku no Mono ga Ookisugita!? (Kantai Collection -KanColle-)
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [QBtranslations]
Natsu, Yuri, Ecchi - Summer, Yuri, Sex.
Kimusume Kanojo no Hatsujou Houteishiki
[Sena Youtarou] Kannou no Koukishin (Kannou no Houteishiki) [Chinese] [篆儀通文書坊漢化]
Kirei na Onna to H no Houteishiki
Koi no Riron Ai no Houteishiki
[Hiyoshi Hana] Kare to Imouto no Houteishiki | The Equation of Him and His Little Sister (COMIC Megastore 2012-08) [English] [The Lusty Lady Project]
[Fumizuki Kou] Koi suru Houteishiki
Mash to Shitekita Kakushigoto | Secret Activities With Mash
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]
GIFT.
[Hiyoshi Hana] Neko to Watashi no Houteishiki | The Equation of the Cat and Me (COMIC Megastore 2012-02) [English] [The Lusty Lady Project]
[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)