[Mizuki Eimu] Trick And Treat Ch. 1 [English] {Hennojin}
[Hiyoshi Hana] Kare to Imouto no Houteishiki (COMIC Megastore 2012-08)
[ITOYOKO] Kichiku Houteishiki - Equation of brutal person
[Kazakami Shun] Active Renai Houteishiki Official Visual Book
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [Decensored]
[Hiyoshi Hana] Neko to Watashi no Houteishiki | The Equation of the Cat and Me (COMIC Megastore 2012-02) [English] [The Lusty Lady Project]
(C59) [Tomoyosama (Kayama Akihiro, Ozawa Hiroe)] Tomoyo No Yasashii Houteishiki (Cardcaptor Sakura)
[Sena Youtarou] Kannou no Hirusagari | A Sensual Early Afternoon (Kannou no Houteishiki) [English] [QBtranslations]
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 9 [English] [SaHa]
[Kinako Gyuu Nyuu (Tomoharu)] Koi Suru Houteishiki (Ginga e Kickoff!!)
[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]
Ghost Love Ch.1-15 (English) (YoManga) (Ongoing)
Atatame no houteishiki
T-17 Cecilian-an (English)
[Sanbun Kyoden] Kindan no Houteishiki
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1 [English] [Hentai-Enishi] [Decensored]
[Gentsuki] Yasashisa no Houteishiki | Tender Equation (COMIC BAVEL 2017-08) [English] [N04H] [Digital]
Nagi, Ikanaide! ~Ookami to Shoujo~
Dame to Guzu to Arashi to
[Hiyoshi Hana] Youma to Tsuya no Houteishiki (COMIC X-EROS#17) [Chinese]
[Misaki Yukihiro] Nikuhisyo Yukiko 27
(Reitaisai 10) [Natsuiro Terrace (kishimasa)] Futanari Yukari Ryojoku Bon (Touhou Project) [English] [desudesu]
Kannou no Houteishiki
(C74) [Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation
[Sena Youtarou] Kannou no Koukishin (Kannou no Houteishiki) [Chinese] [篆儀通文書坊漢化]
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]
Futari wa Choukyou Game no Ejiki ni Narimashita.
(C91) [Royal Bitch (Haruhisky)] Harucos +4 (Suzumiya Haruhi no Yuuutsu)
[Bousou Tenshi-UPsideDOWN (Sakatani Shinnosuke)] Koi no Renritsu Houteishiki (Yu-Gi-Oh! GX)
[Fumizuki Kou] Koi suru Houteishiki
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]
(Makitan!) [Niratama (Sekihara, Hiroto)] Sprechchor to Houteishiki | Chorus and Formula (Love Live!) [Chinese] [北京神马个人汉化]
(Bokura no Love Live! 4) [MuraMura Pocky, Sinosino (Kasumi, Sinohara Sinome)] Muffin Affection (Love Live!) [English] [Yuri-ism]
[Azuki Kurenai] Yoru no Houteishiki 1 | Equation of the Night 1
(C92) [Momokawa (Mikawa)] Cagliostro ga Meushi Draph ni Ochiru You desu (Granblue Fantasy)
[Hiyoshi Hana] Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi [Digital]
[Mugen Houteishiki (Mugen)] Shinkai Seikan (Kantai Collection -KanColle-) [Digital]
Rina-chan Renai Houteishiki