(C74) [Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation
Hiraga-san no Yarakashi
(C91) [Shoujo no Youni (Houtei Kara) ] Hiraga-san no Yarakashi (SENGOKU COLLECTION)
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]
Henshuu Kagamiya-san no Kannouteki na Oshigoto Ch.01-02
Yuumei Chara Kannou Shousetsu CG
Ingoku Houtei
Yuumei Chara Kannou Shousetsu CG Shuu No. 352!! Mahou Tsukai Precure! HaaHaa CG Shuu
[Hiyoshi Hana] Youma to Tsuya no Houteishiki (COMIC X-EROS#17) [Chinese]
[88scones (Sakaki Tsui)] Ayaki-kun to Houteishiki [English] {Shotachan}
Yuumei Chara Kannou Shousetsu CG Shuu No.389!! Azur Lane HaaHaa CG Shuu
Midara no Houteishiki - The Equation of the Immoral Kanzenban
(Makitan!) [Niratama (Sekihara, Hiroto)] Sprechchor to Houteishiki | Chorus and Formula (Love Live!) [Chinese] [北京神马个人汉化]
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]
(CR22) [White Elephant (Various)] Cammy Sousa Kannou Shashinshuu (Street Fighter)
Joryuu Kannou Muramura Shikibu
Yuumei Chara Kannou Shousetsu CG Collection No. 275 Dragon's Crown Haa Haa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.374!! Gabriel Dropout HaaHaa CG Shuu
[Tsuka Motomasa] Kannou ni Oboreru Youko
Rina-chan Renai Houteishiki
(Zero no Hakobune) [Shiroan (RUNa)] Koi no Riron Ai no Houteishiki (ALDNOAH.ZERO)
Yuumei Chara Kannou Shousetsu CG Shuu No.385!! Isekai Shokudou HaaHaa CG Shuu
[White Elephant] Kikai Inkei Kannou Gasyuu
[JAKE] Kannou Shousetsu Shoujo
Kono Monogatari wa Fiction de Ari Kannou Shousetsu demo Ari
Yuumei Chara Kannou Shousetsu CG Shuu No. 351!! Bakuon!! HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 349!! Ninja Slayer HaaHaa CG Shuu
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
[Azuki Kurenai] Midara no Houteishiki: The Equation of the Immoral
Yuumei Chara Kannou Shousetsu CG Shuu No. 369!! World Trigger HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 350!! Hai to Gensou no Grimgar HaaHaa CG Shuu
(CR27) [Yuusei Honpo (Fujimoto Sei)] Mahoutei Kitan (Magical☆Antique)
Ashita mata Ganbareru? Zenpen
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1
Sekenshirazu na Chouteisha to Gaman Dekinai Danchou-san
Yuumei Chara Kannou Shousetsu CG Shuu No. 347!! Kekkai Sensen HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.287!! Nisekoi HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 254!! Magi Haa Haa CG Shuu
(C66) [Honey QP (Inochi Wazuka)] Houtei Jiru Kake Ron (Ace Attorney)
[Akuochisukii Sensei] Akuochisukii Sensei no Heroine Haiboku no Houteishiki - Equation of Heroine's defeat by Mr. Akuochisukii [Digital]
[kokumaren] ショタが寝ているおねーさんに色々しちゃうお話
(C80) [Kirei na Oneesan (Izumi Yayoi)] Moshiaki Moshi Akiko-san ga Yuuichi no Kakushiteta Kannou Shousetsu wo Yondara | What if Akiko-san read the erotic novel Yuuichi was hiding? (Kanon) [English] [sensualaoi]
[White Elephant (Various)] Shokushu Ingoku Kannou Gashuu
Kannou Shousetsu Shoujo
[Uruudoshi (Uru)] Seiai no Houteishiki (30-sai no Hoken Taiiku)
Yuumei Chara Kannou Shousetsu CG Shuu No. 274!! Date A Live HaaHaa CG Shuu
[ALPS, Okachimentaiko, Rippadou] Etsuraku Kannou Emaki (Maizon Ikkoku etc) [Uncensored]
[Hiyoshi Hana] Neko to Watashi no Houteishiki | The Equation of the Cat and Me (COMIC Megastore 2012-02) [English] [The Lusty Lady Project]
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Digital]
Kanojo wa Kannou Shousetsuka ch27
(C91) [Miyanchi (Miyagoe Yoshitsuki)] Kourin! Choutei no... (Granblue Fantasy)
Atatame no houteishiki
Patchouli to Kannou Oil Massage
[Kekocha] Henshuu Kagamiya-san no Kannouteki na Oshigoto (COMIC X-EROS #25) [English] [constantly]
Yuumei Chara Kannou Shousetsu CG Shuu No. 378!! Prison School HaaHaa CG Shuu
Kannou Shijin
Yuumei Chara Kannou Shousetsu CG Shuu No.360!! Amaama to inazuma HaaHaa CG Shuu
Kannou Shousetsu no Eikyou o Ukeru Sagisawa Fumika-san
Kannou no Christmas Eve | 官能的平安聖夜
[Carn] Natsu x Umi = Kiken no Houteishiki | Summer x Beach = Dangerous Equation (Shinzui SUMMER Ver. Vol. 2) [English] [Rage Manga] [Decensored]
[Anthology] Kimusume Kanojo no Hatsujou Houteishiki [Digital]
Nurume no Houteishiki.
[Sena Youtarou] Kannou no Samidare ~Climax~ | Sensual Early Summer Rain ~Climax~ (COMIC Penguin Celeb 2011-06) [English] [QBtranslations]
[MOMONGA-CLUB (Hayashibara Hikari)] I''s I''s heroine kannou illustration shuu (I"s)
[Miyanchi (Miyagoe Yoshitsuki)] Kourin! Choutei no... (Granblue Fantasy) [English] [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No.377!! Eromanga Sensei HaaHaa CG Shuu
[Hoshino Ryuichi] Kannou Jikken
(C93) [Mugen Houteishiki (Mutsu Minato)] Chaldea Sakusei Nisshi (Fate/Grand Order)
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [QBtranslations]
[Hiyoshi Hana] Kare to Imouto no Houteishiki (COMIC Megastore 2012-08)
[Sena Youtarou] Kannou no Koukishin (Kannou no Houteishiki) [Chinese] [篆儀通文書坊漢化]
[Mugen Houteishiki (Mugen)] Shinkai Seikan (Kantai Collection -KanColle-) [Digital]
Kanraku Chouteisha
[White Elephant (Various)] Mai-chan Kannou Shashinshuu 2 (King of Fighters)
(C91) [Shirokurousa (Sugiyuu)] Patchouli to Kannou Oil Massage (Touhou Project)
Yuumei Chara Kannou Shousetsu CG Shuu No.386!! Princess Principal HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.366!! Mahou Shoujo Ikusei Keikaku HaaHaa CG Shuu
[Anthology] MOMOPAN 14 [Ane Haramase]
[Sena Youtarou] Kannou no Christmas Eve (Kannou no Houteishiki) [English] [Team Koinaka]
(C91) [KFC (YU)] Kasshoku no Choutei Musume (Granblue Fantasy)
[Hiyoshi Hana] Kare to Imouto no Houteishiki | The Equation of Him and His Little Sister (COMIC Megastore 2012-08) [English] [The Lusty Lady Project]
Henshuu Kagamiya-san no Kannou Teki na Oshigoto
Yuumei Chara Kannou Shousetsu CG Shuu No. 356!! Boku no Hero Academia HaaHaa CG Shuu
Kannou No Natsuyasumi | 官能的暑假
[ITOYOKO] Kichiku Houteishiki - Equation of brutal person
Kannou Dokusho Joshi
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [English] [SaHa] [Digital]
[Sena Youtarou] Kannou no Christmas Eve [English][Decensored]
(C83) [Tsurikichi Doumei (Sakamoto Sarutomunto Nerima, Umedama Nabu)] Alena? ~ Ryousei Guyuu Hime Kannou Emaki ~ (Dragon Quest IV: Michibikareshi Monotachi)
[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. 313!! Ansatsu Kyoushitsu HaaHaa CG Shuu
Kanojo wa Kannou Shousetsuka ch30
[Gekkan Hitorizumou (Jon Ozaki)] Kannoukan Teishi Q no Himegoto (Bannoukan Teishi Q) [Digital]
(C60) [Rokuhoutei (Kara-q, Yasui Riosuke)] squip (Gunparade March)