Midara no Houteishiki
[Sanbun Kyoden] Kindan no Houteishiki
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]
[Carn] natsu×umi=Kiken no Houteishiki (Shinzui SUMMER Ver. Vol. 2) [Decensored]
Kirei na Onna to H no Houteishiki
[Sena Youtarou] Kannou no Christmas Eve (Kannou no Houteishiki) [English] [Team Koinaka] [Decensored]
(COMITIA 88) [Kawada Shougo] Hyakuyoubako Sono 2
Sensei no Houkago Kurorekishi
(C95) [Areya (Homing)] PreAre 10 -Chou Nano desu Delivery- (Hugtto! PreCure)
[Gentsuki] Yasashiisa no Houteishiki - Tender equation (COMIC BAVEL 2017-08) [Chinese] [揮淚錦馬超漢化] [Digital]
Sprechchor to Houteishiki | Chorus and Formula
[Kazakami Shun] Active Renai Houteishiki Official Visual Book
[Sena Youtarou] Kannou no Houteishiki
[Hiroshiki] My Private Teacher is a Gal Teacher! (COMIC BAVEL 2017-09) [English] {Hennojin} [Digital]
(HaruCC16) [plus810 (Yamada Non)] Sengoku Yukueshirezu (Prince of Tennis)
[Gentsuki] Yasashisa no Houteishiki | Tender Equation (COMIC BAVEL 2017-08) [English] [N04H] [Digital]
(C65) [Rippadou (Various)] Minisukadon 3-baime
Midara no Houteishiki - The Equation of the Immoral Kanzenban
[PIero] PAICCHU
Atatame no houteishiki
[Kousuke] Fushigi Fushidara [Digital]
Kyoushitsu de Sex no Koushuu
Rina-chan Renai Houteishiki
(C59) [Luck GEAR (Sakura Ryuuken)] Hikarian (Magic Knight Rayearth)
[ITOYOKO] Kichiku Houteishiki - Equation of brutal person
Koi Aji, Choudai
Osananajimi After
[Hiyoshi Hana] Youma to Tsuya no Houteishiki (COMIC X-EROS#17) [Chinese]
Rem de Atatamarimasu ka?
[88scones (Sakaki Tsui)] Ayaki-kun to Houteishiki [English] {Shotachan}
[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)
Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi
(C74) [Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation
(C77) [Circle Credit (Akikan)] Irojiro Mithran Tarutaru (Final Fantasy XI)
[Mugen Houteishiki (Mugen)] Shinkai Seikan (Kantai Collection -KanColle-) [Digital]
[Fumizuki Kou] Koi suru Houteishiki
Koi no Riron Ai no Houteishiki
Yasashisa no Uragawa
[Sansyoku Amido.] Tokunou Milk de Araryouji (COMIC Megastore H 2010-09)
Did We Switch our Bodies After Having Sex Ch1
(C86) [JACK-POT (Jyura)] School Fuuzoku [Chinese] [百合勿忘草个人汉化]
Neji to Nejiana no Houteishiki
[Sena Youtarou] Kannou no Koukishin (Kannou no Houteishiki) [Chinese] [篆儀通文書坊漢化]
Pain Jakase no Aishita Renketsu Houteishiki
[Kihiru] Kirei na Onna to H no Houteishiki [Digital]
[Akuochisukii Sensei] Akuochisukii Sensei no Heroine Haiboku no Houteishiki - Equation of Heroine's defeat by Mr. Akuochisukii | 女性角色敗北的方程式 [Chinese]
Shuffle
Ukkari Haicchatta! Itoko to Micchaku Game Chuu
[Azuki Kurenai] Midara no Houteishiki - The Equation of the Immoral [English] [hen-toy]
[Calpis Koubou] Shinomiya Yuki no Futanari Onanie Roku
QQQ
(C65) [YASRIN-DO (Yasu Rintarou)] Gekkouki Daiyonya (Tsukihime, Kizuato)
(C89) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 6 [Chinese] [oo君個人漢化]
[Azuki Kurenai] Midara no Houteishiki: The Equation of the Immoral
Bakunyuu Gal to Pakoritee!!
Kannou 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]
[Ishiyaki Melon (Figo)] Tengoku ~Ikenie no Saidan~