[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi
[kokumaren] ショタが寝ているおねーさんに色々しちゃうお話
[gymno (Kiriya)] Kannou no Majutsushi ni Ore wa Naru ♥
Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi
Yuumei Chara Kannou Shousetsu CG Shuu No. 282!! Koruna-chan HaaHaa CG Shuu
Pain Jakase no Aishita Renketsu Houteishiki
[Momonga-Club (Hayashibara Hikari)] I''s 2 Yoshizuki Iori Kannou Illust Shuu (I''s)
Onna Mizubashira no Kannoubanashi
(C93) [Mugen Houteishiki (Mutsu Minato)] Chaldea Sakusei Nisshi (Fate/Grand Order)
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Digital]
[Carn] natsu×umi=Kiken no Houteishiki (Shinzui SUMMER Ver. Vol. 2) [Decensored]
Yuumei Chara Kannou Shousetsu CG Shuu No.368!! Kemono Friends HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 351!! Bakuon!! HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 242!! Sword Art Online HaaHaa CG Shuu
[Azuki Kurenai] Midara no Houteishiki: The Equation of the Immoral
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]
[Shirokurousa (Sugiyuu)] Patchouli to Kannou Oil Massage (Touhou Project) [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No. 369!! World Trigger HaaHaa CG Shuu
[Azuki Kurenai] Midara no Houteishiki - The Equation of the Immoral [English] [hen-toy]
(Zero no Hakobune) [Shiroan (RUNa)] Koi no Riron Ai no Houteishiki (ALDNOAH.ZERO)
[Hiyoshi Hana] Kare to Imouto no Houteishiki | The Equation of Him and His Little Sister (COMIC Megastore 2012-08) [English] [The Lusty Lady Project]
[Fuyujin Sora] Fuyujin Sora Kannou Gekiga Sen ・ Nikuyoku Jidai
Yuumei Chara Kannou Shousetsu CG Shuu No. 317!! One Piece 5 HaaHaa CG Shuu
Kannou No Natsuyasumi | 官能的暑假
[ALPS, Okachimentaiko, Rippadou] Etsuraku Kannou Emaki (Maizon Ikkoku etc) [Uncensored]
[White Elephant] Kikai Inkei Kannou Gasyuu
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1
Joryuu Kannou Muramura Shikibu
Yuumei Chara Kannou Shousetsu CG Shuu No.385!! Isekai Shokudou HaaHaa CG Shuu
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [QBtranslations]
Kannou no Houteishiki (decensored)
[Anthology] Kimusume Kanojo no Hatsujou Houteishiki [Digital]
[Hiyoshi Hana] Kare to Imouto no Houteishiki (COMIC Megastore 2012-08)
[Sena Youtarou] Kannou no Houteishiki
[Kazakami Shun] Active Renai Houteishiki Official Visual Book
[Sena Youtarou] Kannou no Koukishin (Kannou no Houteishiki) [Chinese] [篆儀通文書坊漢化]
[Azuki Kurenai] [Full Color seijin ban] Midara no Houteishiki - The Equation of the Immoral Kanzenban
Yuumei Chara Kannou Shousetsu CG Shuu No.361!! Girls und panzer HaaHaa CG Shuu
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]
[White Elephant (Various)] Shikatsu Jou Kannou Shashinshuu
[Fumizuki Kou] Koi suru Houteishiki
Yuumei Chara Kannou Shousetsu CG Shuu No. 326!! Hibike! Euphonium HaaHaa CG Shuu
Kanojo wa Kannou Shousetsuka ch13
(C77) [Chidorinu] Boku to Kanojo no Houteishiki (Love Plus)
(C74) [Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation
[Anthology] MOMOPAN 15 [M Otoko x Toshishita no Onnanoko]
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
[Fuyujin Sora] Mamiko Nozoki wa Inwai na Biyaku | Mamiko Peeping is an Obscene Aphrodisiac (Kannou Gekiga Sen Nikuyoku Jidai) [English] [Amoskandy]
Yuumei Chara Kannou Shousetsu CG Shuu No. 380!! Re:CREATORS HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.386!! Princess Principal HaaHaa CG Shuu
[Tsuka Motomasa] Kannou ni Oboreru Youko
Kanojo wa Kannou Shousetsuka ch31
[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]
Yuumei Chara Kannou Shousetsu CG Shuu No. 356!! Boku no Hero Academia HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Collection No. 248!! Sword Art Online II HaaHaa CG Shuu
(C91) [Shirokurousa (Sugiyuu)] Patchouli to Kannou Oil Massage (Touhou Project)
Yuumei Chara Kannou Shousetsu CG Collection No. 275 Dragon's Crown Haa Haa CG Shuu
Yuumei Chara Kannou Shousetsu CG Collection No. 195 Hanas○ku Iroha HaHa CG Syu
Tsuushou Kannou no Houshisha Oyobi Kaku Shokushu ni Tsuite no Houkokusho
Yuumei Chara Kannou Shousetsu CG Shuu No.381!! Persona 5 HaaHaa CG Shuu
Kannou Shijin
Yuumei Chara Kannou Shousetsu CG Shuu No. 301!! Noragami HaaHaa CG Shuu
[Sena Youtarou] Kannou no Christmas Eve - 1st Anniversary | A Sensual Christmas Eve - 1st Anniversary (COMIC Penguin Celeb 2014-02) [English] [Team Koinaka]
Yuumei Chara Kannou Shousetsu CG Shuu No. 391!! Knight's & Magic HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.287!! Nisekoi HaaHaa CG Shuu
[Gentsuki] Yasashisa no Houteishiki | Tender Equation (COMIC BAVEL 2017-08) [English] [N04H] [Digital]
Kanojo wa Kannou Shousetsuka ch34
[Gadget Koubou] Kyuushihaisha Kannou Shashinshuu 1
Yuumei Chara Kannou Shousetsu CG Shuu No. 237!! Haiyore! Nyaruko-san HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 214!! Inazuma Eleven GO HaaHaa CG Shuu
(C80) [Kirei na Oneesan (Izumi Yayoi)] Moshiaki Moshi Akiko-san ga Yuuichi no Kakushiteta Kannou Shousetsu wo Yondara (Kanon)
[Sena Youtarou] Kannou no Christmas Eve [English][Decensored]