[Succubus no Tamago (Anesky)] Yuusha ni Kanyou Sugiru Fantasy Sekai 2 ~Zoku NPC (Mob) Aite Chuushin Short H Manga Shuu~ | 对勇者过度宽容的魔幻世界2 [Chinese] [鬼畜王汉化组]
Nurume no Houteishiki.
(HaruCC17) [Wata 120 Percent (Menyoujan)] AZUS@TTACK2 (K-ON!)
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Digital]
(Reitaisai 11) [Rubi-sama wo Agameru Kai (Rubi-sama)] Boku no MariPatchou (Touhou Project)
Rina-chan Renai Houteishiki
[Akuochisukii Sensei] Akuochisukii Sensei no Heroine Haiboku no Houteishiki - Equation of Heroine's defeat by Mr. Akuochisukii [Digital]
[Kazakami Shun] Active Renai Houteishiki Official Visual Book
Itsuwari no Koibito
Sex Warrior Isane Extreme 04
(C87) [Mugen Houteishiki (Mutsu Minato)] MOSI×MOSI (Kantai Collection -KanColle-)
An ENGINE
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki | 契與結的方程式 [Chinese] [Digital]
[poza] Shishunki no Otokonoko no Tame no Seikyouiku Onnanoko o Ninshin saseru Tame no Nakadashi Sex Nyuumon
[LEE] Totsugeki Tonari no Onii-chan - Charge the Brother of neighboring house
Midara no Houteishiki
[Hikoma Hiroyuki] Ai ni Ueta Shoujo [Digital]
Aijou Seikatsu
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 9 [English] [SaHa]
[Hiyoshi Hana] Kare to Imouto no Houteishiki | The Equation of Him and His Little Sister (COMIC Megastore 2012-08) [English] [The Lusty Lady Project]
[Hiyoshi Hana] Kare to Imouto no Houteishiki (COMIC Megastore 2012-08)
Kirei na Onna to H no Houteishiki