[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 9 [English] [SaHa]
Kannou no Houteishiki
(C77) [Umemoto Seisaku Iinkai (Sakayama Shinta)] Nurume no Houteishiki. (Toaru Kagaku no Railgun) [Chinese] [婭娘性魔法宣傳暗部漢化組]
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki | 契與結的方程式 [Chinese] [Digital]
Eien no Houteishiki - Eternal Equation Chapter: 1
[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)
けもみみフレンズ 1,5
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [English] [SaHa] [Digital]
[Gentsuki] Yasashiisa no Houteishiki - Tender equation (COMIC BAVEL 2017-08) [Chinese] [揮淚錦馬超漢化] [Digital]
[Redbell (Akazawa Fuyuki)] Ketsu Ana Produce! (THE IDOLM@STER) [Digital]
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Digital]
Sprechchor to Houteishiki | Chorus and Formula
Chigiri to Musubi no Houteishiki | 契與結的方程式
[Kazakami Shun] Active Renai Houteishiki Official Visual Book
Kinugasa-san to Ryokan de Futari
[Sakura Hikomaru] Imouto no Houteishiki [Chinese]
[Azuki Kurenai] [Full Color seijin ban] Midara no Houteishiki - The Equation of the Immoral Kanzenban
[Sanbun Kyoden] Kindan no Houteishiki
(SC65) [Yagisaki Ginza (Yagami Shuuichi)] KiRa-KiRa Senseition! (Love Live!) [English] {doujin-moe.us}
Kirei na Onna to H no Houteishiki
[ITOYOKO] Kichiku Houteishiki - Equation of brutal person
Atatame no houteishiki
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Chinese] [無邪気漢化組]
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]
COMIC Megastore H 2012-03
(C87) [Yamaneko Jinja (John Inu)] Journey Into Underground (Touhou Project)
[Jinbo Hitode] Junjou-Inju
Kannou no Houteishiki (decensored)
[Hiyoshi Hana] Kare to Imouto no Houteishiki | The Equation of Him and His Little Sister (COMIC Megastore 2012-08) [English] [The Lusty Lady Project]
(Triple star (Nanami Kasuga) Hidamari no Koi [JP]
(C67) [Crank.In (Mizutani Tooru)] Materialize IV (Final Fantasy XI)
[Sena Youtarou] Kannou no Houteishiki
(C87) [Mugen Houteishiki (Mutsu Minato)] MOSI×MOSI (Kantai Collection -KanColle-)
[Marialite] Mannequin ni Natta Kanojo-tachi Bangai Hen 2 [Chinese] [熊崎玉子汉化组]
(Zero no Hakobune) [Shiroan (RUNa)] Koi no Riron Ai no Houteishiki (ALDNOAH.ZERO)
Kirei na Hito to H no Houteishiki
Midara no Houteishiki - The Equation of the Immoral Kanzenban
Koi no Riron Ai no Houteishiki
[Pink.s] Estelle to... (Tales of Vesperia)
Madarame fuwaku
Kimusume Kanojo no Hatsujou Houteishiki
Pain Jakase no Aishita Renketsu Houteishiki
BugBug 2001-04
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [QBtranslations]
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [Decensored]
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]
Ayakashi-kan e Youkoso! Ch. 5
[Carn] Natsu x Umi = Kiken no Houteishiki | Summer x Beach = Dangerous Equation (Shinzui SUMMER Ver. Vol. 2) [English] [Rage Manga] [Decensored]
[Tankguy, ROZER] A World That I Rule Ch.01-21 [English] (Game of Scanlation) (Ongoing)
[Hiyoshi Hana] Youma to Tsuya no Houteishiki (COMIC X-EROS#17) [Chinese]
[Azuki Kurenai] Midara no Houteishiki: The Equation of the Immoral