[Fumizuki Kou] Koi suru Houteishiki
Koi no Riron Ai no Houteishiki
[Hoshino Ryuichi] Kannou Jikken
Futomomo Shukujo Kannoushashinshuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 270!! Mushibugyo HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 316!! Toaru Majutsu no Index 3 HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 403!! Hataraku Saibou HaaHaa CG Shuu
Neji to Nejiana no Houteishiki
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki | 契與結的方程式 [Chinese] [Digital]
(C80) [Kirei na Oneesan (Izumi Yayoi)] Moshiaki Moshi Akiko-san ga Yuuichi no Kakushiteta Kannou Shousetsu wo Yondara (Kanon)
(C94) [Shoujo no Youni (Houtei Kara)] tonaribeya no yasasii ojisan (SENGOKU COLLECTION)
[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]
Yuumei Chara Kannou Shousetsu CG Shuu No. 329!! Saenai Heroine no Sodatekata HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.338!! Gintama HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.287!! Nisekoi HaaHaa CG Shuu
Kanojo wa Kannou Shousetsuka ch29
[Anthology] MOMOPAN 15 [M Otoko x Toshishita no Onnanoko]
Yuumei Chara Kannou Shousetsu CG Shuu No.365!! Love Live! Sunshine!! HaaHaa CG Shuu
Kannou no Christmas Eve - 1st Anniversary | 官能的平安聖夜 ~一週年紀念~
Yuumei Chara Kannou Shousetsu CG Shuu No. 392!! Yuru Camp HaaHaa CG Shuu
Patchouli to Kannou Oil Massage
[Azuki Kurenai] Midara no Houteishiki - The Equation of the Immoral [English] [hen-toy]
[Sena Youtarou] Kannou no Samidare ~Climax~ | Sensual Early Summer Rain ~Climax~ (COMIC Penguin Celeb 2011-06) [English] [QBtranslations]
Mamotte Shugogetten - Shaorin Kannou Monogatari
Kono Monogatari wa Fiction de Ari Kannou Shousetsu demo Ari
[White Elephant (Various)] Shokushu Ingoku Kannou Gashuu
[Azuki Kurenai] [Full Color seijin ban] Midara no Houteishiki - The Equation of the Immoral Kanzenban
Yuumei Chara Kannou Shousetsu CG Shuu No.376!! Kimi No Na Wa HaaHaa CG Shuu
(C83) [Tsurikichi Doumei (Sakamoto Sarutomunto Nerima, Umedama Nabu)] Alena? ~ Ryousei Guyuu Hime Kannou Emaki ~ (Dragon Quest IV: Michibikareshi Monotachi)
[Azuki Kurenai] Midara no Houteishiki: The Equation of the Immoral
Kanojo wa Kannou Shousetsuka ch35
Yuumei Chara Kannou Shousetsu CG Collection No. 195 Hanas○ku Iroha HaHa CG Syu
[White Elephant (Various)] Shikatsu Jou Kannou Shashinshuu
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]
[Sena Youtarou] Kannou no Hirusagari ~Climax~ | Afternoon Sex (COMIC Penguin Celeb 2010-10) [English] [Munyu]
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
[Pink Power] Mikosama Kannou Shasinshu
[Kekocha] Henshuu Kagamiya-san no Kannouteki na Oshigoto (COMIC X-EROS #25) [English] [constantly]
[Gadget Koubou] Kyuushihaisha Kannou Shashinshuu 1
(CR27) [Yuusei Honpo (Fujimoto Sei)] Mahoutei Kitan (Magical☆Antique)
Yuumei Chara Kannou Shousetsu CG Shuu No. 317!! One Piece 5 HaaHaa CG Shuu
[Bousou Tenshi-UPsideDOWN (Sakatani Shinnosuke)] Koi no Renritsu Houteishiki (Yu-Gi-Oh! GX)
[Aura Seiji] Tanpopo Houteishiki
Yuumei Chara Kannou Shousetsu CG Shuu No.333!! Charlotte HaaHaa CG Shuu
[JAKE] Kannou Shousetsu Shoujo
Kimusume Kanojo no Hatsujou Houteishiki
Danchou-kun to choutei-sha-chan
Yuumei Chara Kannou Shousetsu CG Shuu No. 347!! Kekkai Sensen HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Collection No. 275 Dragon's Crown Haa Haa CG Shuu
[Carn] Natsu x Umi = Kiken no Houteishiki | Summer x Beach = Dangerous Equation (Shinzui SUMMER Ver. Vol. 2) [English] [Rage Manga] [Decensored]
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]