In No Houteishiki

Natsu x Umi = Kiken no Houteishiki

Doronu Ma

Reisei no Houteishiki

[Hiyoshi Hana] Kare to Imouto no Houteishiki (COMIC Megastore 2012-08)

(C83) [Yumemigokoti, Youmusya (Mikage Baku, Gengorou)] Koushuu Benjo (Touhou Project)

Kannou no Houteishiki (decensored)

Namaiki Haramasex Ch 1

Inshuu Hiroku Midare Mandara 3

[Sannyuutei Shinta] Chinpotsuki Ijimerarekko | «Dickgirl!», The Bullying Story - Ch. 1-6 [English] [34th squad]

COMIC Momohime 2007-06

[Fumizuki Kou] Koi suru Houteishiki

[suwateria (Ooba Nii)] InuOku Ni (Touhou Project) [English] [twn2] [Digital]

[Hiyoshi Hana] Neko to Watashi no Houteishiki | The Equation of the Cat and Me (COMIC Megastore 2012-02) [English] [The Lusty Lady Project]

[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]

[ITOYOKO] Kichiku Houteishiki - Equation of brutal person

[Hiyoshi Hana] Chigiri to Musubi no Houteishiki | 契與結的方程式 [Chinese] [Digital]

[Azuki Kurenai] [Full Color seijin ban] Midara no Houteishiki - The Equation of the Immoral Kanzenban

[Inoue Nanaki] Joushiki Kaihen! Saimin Kuro Ochi Iinchou (ANGEL Club 2017-06) [Chinese] [Digital]

Futari Ecchi Vol15 - Pt142

Sprechchor to Houteishiki | Chorus and Formula

[Ryouga Taku] Lesson 1

[Anthology] Kimusume Kanojo no Hatsujou Houteishiki [Digital]

[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [English] [SaHa] [Digital]

Osama na Kanojo

(COMIC1☆7) [Asaiumi (Asami Asami)] Usamin Mode desu (THE IDOLM@STER CINDERELLA GIRLS)

HANAKAN School Mizugi de Nande zura!?

aftermission

[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)

Ikoku no Ohime-sama | Princess of a Foreign Country

[R-Koga] Chicchai kedo, Nurunuru

[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]

(HaruCC18) [WORLD BOX, Bons (Yuu, Sumeragi Sora)] Will You Make Love? (Fate/stay night) [English] [Neptise] [Incomplete]

(C77) [Chidorinu] Boku to Kanojo no Houteishiki (Love Plus)

[Gentsuki] Yasashiisa no Houteishiki - Tender equation (COMIC BAVEL 2017-08) [Chinese] [揮淚錦馬超漢化] [Digital]

(C77) [Umemoto Seisaku Iinkai (Sakayama Shinta)] Nurume no Houteishiki. (Toaru Kagaku no Railgun) [Chinese] [婭娘性魔法宣傳暗部漢化組]

aoi inazuma

[88scones (Sakaki Tsui)] Ayaki-kun to Houteishiki [English] {Shotachan}

Kimusume Kanojo no Hatsujou Houteishiki

[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 9 [English] [SaHa]

Hypnotizing the Clerk at the Convenience Store I Usually Go To

Muttsuri Boukensha wa Goblin nanka ni Makenai | 闷骚冒险者才不会输给哥布林什么的呢

QQ 5

Neji to Nejiana no Houteishiki

Atatame no houteishiki

Chigiri to Musubi no Houteishiki | 契與結的方程式

[Sena Youtarou] Kannou no Christmas Eve | 官能的平安聖夜 (Kannou no Houteishiki) [Chinese] [夢中璞影個人漢化]

(SC16) [TTT (Miharu)] Mahoro Panic (Mahoromatic)

So, You Wanna Do This? Whatever (Tales of Vesperia)

(C78) [Hidebou House (Hidebou)] Mizugi Haruka (THE IDOLM@STER)

[Aura Seiji] Tanpopo Houteishiki

Makotoni Zannen desu ga Bouken no Sho 9 wa Kiete Shimaimashita.

[Sena Youtarou] Kannou no Christmas Eve (Kannou no Houteishiki) [English] [Team Koinaka]

[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]

M.P. vol. 19

(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)

Bakushi Shita Gudao ga Karada de Okane o Kasegu Hon |

[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1

Eien no Houteishiki - Eternal Equation Chapter: 1

[Hiyoshi Hana] Kare to Imouto no Houteishiki | The Equation of Him and His Little Sister (COMIC Megastore 2012-08) [English] [The Lusty Lady Project]

[Kajinomedaka] Ore senzokuzu bo meido GET shita! ! / Zenpen

(C70) [Neko Kinryouku (NekoNeko)] NekoNeko Otona Houteishiki

[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]

Ponkotsu Kukkoro Kettousha Serena-chan | Worn-out Duelist Serena-chan

Bitan Bitan

Rina-chan Renai Houteishiki

[Yanje] Hado Nejire Defeat Confirmed (My Hero Academia) [Chinese] [GABA汉化组]

(Hyattou Ryouran ~Kimi no Heart o Shirahadori~ Owari Kuni Ensei Ni) [Hanaichimonme (Kanda)] Ichi Ni San Shi Go Roku Nana wa Mukuro to Nemuru (Touken Ranbu)

Loli-babaa Kyousei Tanetsuke Ecchi! Vol. 2

My pretty pet | 我的爱宠

Kirei na Onna to H no Houteishiki

[Carn] natsu×umi＝Kiken no Houteishiki (Shinzui SUMMER Ver. Vol. 2) [Decensored]

Suku Mizu Mode

Midara no Houteishiki

[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [QBtranslations]

[Rain Rainbow (DoraBmon)] Meiseki Munomanimani (Yuri!!! on ICE) [English] [2017-05-30]

(COMIC1☆6) [Kashiwa-ya (Hiyo Hiyo)] Minna no Sunny (Smile Precure!)

(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)

(C85) [A.P.YAMAMOH (Yamamoh)] First Contact (Tales of Phantasia)

[Bousou Tenshi-UPsideDOWN (Sakatani Shinnosuke)] Koi no Renritsu Houteishiki (Yu-Gi-Oh! GX)

Koi no Riron Ai no Houteishiki