[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 9 [English] [SaHa]
Onna Mizubashira no Kannoubanashi
Kannou no Houteishiki
[Kekocha] Henshuu Kakamiya san no kannouteki na Oshigoto #1 [Chinese]
Eien no Houteishiki - Eternal Equation Chapter: 1
[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [English] [SaHa] [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No.355!! hundred HaaHaa CG Shuu
(CR22) [White Elephant (Various)] Cammy Sousa Kannou Shashinshuu (Street Fighter)
[Gentsuki] Yasashiisa no Houteishiki - Tender equation (COMIC BAVEL 2017-08) [Chinese] [揮淚錦馬超漢化] [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No.385!! Isekai Shokudou HaaHaa CG Shuu
[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
Yuumei Chara Kannou Shousetsu CG Shuu No. 401!! Goblin Slayer HaaHaa CG Shuu
Mamotte Shugogetten - Shaorin Kannou Monogatari
Kourin! Choutei no...
[Sakura Hikomaru] Imouto no Houteishiki [Chinese]
Kono Monogatari wa Fiction de Ari Kannou Shousetsu demo Ari
[Sanbun Kyoden] Kindan no Houteishiki
[Anthology] MOMOPAN 15 [M Otoko x Toshishita no Onnanoko]
Kanojo wa Hitozuma Kannou Henshuusha
[Sena Youtarou] Kannou no Christmas Eve [English][Decensored]
(CR26) [White Elephant (Various)] Futomomo Shukujo Kannoushashinshuu (AIKa)
Yuumei Chara Kannou Shousetsu CG Shuu No.333!! Charlotte HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Collection No. 195 Hanas○ku Iroha HaHa CG Syu
Kannou Shousetsu no Eikyou o Ukeru Sagisawa Fumika-san
Houtei Rankou Gakuen 3
Ashita mata Ganbareru? Zenpen
Kanojo wa Kannou Shousetsuka ch29
[JAKE] Kannou Shousetsu Shoujo
Yuumei Chara Kannou Shousetsu CG Shuu No. 347!! Kekkai Sensen HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 314!! Higana-chan HaaHaa CG Shuu
(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]
Kirei na Onna to H no Houteishiki
(C78) [Dark RoseEX-S (Hirooki)] Kodai Oujo no Kannou Ryouhou Taikenki (Queen's Blade) [English] [desudesu]
[ITOYOKO] Kichiku Houteishiki - Equation of brutal person
Yuumei Chara Kannou Shousetsu CG Shuu No. 237!! Haiyore! Nyaruko-san HaaHaa CG Shuu
[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Kanraku Chouteisha (Granblue Fantasy)
Yuumei Chara Kannou Shousetsu CG Shuu No. 282!! Koruna-chan HaaHaa CG Shuu
Atatame no houteishiki
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Chinese] [無邪気漢化組]
Yuumei Chara Kannou Shousetsu CG Shuu No. 351!! Bakuon!! HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 369!! World Trigger HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 317!! One Piece 5 HaaHaa CG Shuu
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]
Hakkiri Shinakya Damenanoni
Yuumei Chara Kannou Shousetsu CG Shuu No. 270!! Mushibugyo HaaHaa CG Shuu
Joryuu Kannou Muramura Shikibu
Yuumei Chara Kannou Shousetsu CG Shuu No.338!! Gintama HaaHaa CG Shuu
[White Elephant (Various)] Shokushu Ingoku Kannou Gashuu