[Carn] Natsu x Umi = Kiken no Houteishiki | Summer x Beach = Dangerous Equation (Shinzui SUMMER Ver. Vol. 2) [English] [Rage Manga] [Decensored]
Yuumei Chara Kannou Shousetsu CG Shuu No.389!! Azur Lane HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Collection No. 195 Hanas○ku Iroha HaHa CG Syu
[Hiyoshi Hana] Youma to Tsuya no Houteishiki (COMIC X-EROS#17) [Chinese]
[Akuochisukii Sensei] Akuochisukii Sensei no Heroine Haiboku no Houteishiki - Equation of Heroine's defeat by Mr. Akuochisukii [Digital]
Kannou Shijin
Yuumei Chara Kannou Shousetsu CG Shuu No. 274!! Date A Live HaaHaa CG Shuu
[Aura Seiji] Tanpopo Houteishiki
(C83) [Tsurikichi Doumei (Sakamoto Sarutomunto Nerima, Umedama Nabu)] Alena? ~ Ryousei Guyuu Hime Kannou Emaki ~ (Dragon Quest IV: Michibikareshi Monotachi)
Yuumei Chara Kannou Shousetsu CG Shuu No.376!! Kimi No Na Wa HaaHaa CG Shuu
[Hoshino Ryuichi] Kannou Jikken
Joryuu Kannou Muramura Shikibu
Kannou Yuukai
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]
[Gentsuki] Yasashisa no Houteishiki | Tender Equation (COMIC BAVEL 2017-08) [English] [N04H] [Digital]
[Sanbun Kyoden] Kindan no Houteishiki
[Comic Kingdom (Koyama Unkaku)] Ami Kannou Monogatar (Sailor Moon) [Digital]
Eien no Houteishiki - Eternal Equation Chapter: 1
[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)
Joryuu Kannou Muramura Shikibu
Kannou No Natsuyasumi | 官能的暑假
Kannou no Houteishiki (decensored)
Kono Monogatari wa Fiction de Ari Kannou Shousetsu demo Ari
Joryuu Kannou Muramura Shikibu
Yuumei Chara Kannou Shousetsu CG Shuu No. 347!! Kekkai Sensen HaaHaa CG Shuu
[Bousou Tenshi-UPsideDOWN (Sakatani Shinnosuke)] Koi no Renritsu Houteishiki (Yu-Gi-Oh! GX)
Koi no Riron Ai no Houteishiki
Yuumei Chara Kannou Shousetsu CG Shuu No. 392!! Yuru Camp HaaHaa CG Shuu
Midara no Houteishiki
Kannou no Christmas Eve - 1st Anniversary | 官能的平安聖夜 ~一週年紀念~
Kanojo wa Hitozuma Kannou Henshuusha
[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)
(C54) [White Elephant] Anice-sensei Kannou Shashinshuu (Sonic Soldier Borgman)
Yuumei Chara Kannou Shousetsu CG Collection No. 275 Dragon's Crown Haa Haa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.357!! Gakusen toshi asterisk HaaHaa CG Shuu
(Makitan!) [Niratama (Sekihara, Hiroto)] Sprechchor to Houteishiki | Chorus and Formula (Love Live!) [Chinese] [北京神马个人汉化]
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
[Gentsuki] Yasashiisa no Houteishiki - Tender equation (COMIC BAVEL 2017-08) [Chinese] [揮淚錦馬超漢化] [Digital]
[Fuyujin Sora] Mamiko Nozoki wa Inwai na Biyaku | Mamiko Peeping is an Obscene Aphrodisiac (Kannou Gekiga Sen Nikuyoku Jidai) [English] [Amoskandy]
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki | 契與結的方程式 [Chinese] [Digital]
(CR26) [White Elephant (Various)] Futomomo Shukujo Kannoushashinshuu (AIKa)
Yuumei Chara Kannou Shousetsu CG Shuu No. 301!! Noragami HaaHaa CG Shuu
(C74) [Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation
[Carn] natsu×umi=Kiken no Houteishiki (Shinzui SUMMER Ver. Vol. 2) [Decensored]
(C93) [Mugen Houteishiki (Mutsu Minato)] Chaldea Sakusei Nisshi (Fate/Grand Order)
Kannou no Christmas Eve - 1st Anniversary A Sensual Christmas Eve - 1st Anniversary
Tsuushou Kannou no Houshisha Oyobi Kaku Shokushu ni Tsuite no Houkokusho
[Anthology] MOMOPAN 15 [M Otoko x Toshishita no Onnanoko]
[Fuyujin Sora] Fuyujin Sora Kannou Gekiga Sen ・ Nikuyoku Jidai
[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]
[White Elephant (Various)] Ryuuko Jou Kannou Shashinshuu
[Sena Youtarou] Kannou no Houteishiki
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
(C94) [x-GAME! (Mochiko)] Neji to Nejiana no Houteishiki (Heybot!)
Yuumei Chara Kannou Shousetsu CG Collection No.225 SKET DAN○E HaHa CG Syu
Kannou No Natsuyasumi | A Sensual Summer Vacation