Yuumei Chara Kannou Shousetsu CG Shuu No.287!! Nisekoi HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.361!! Girls und panzer HaaHaa CG Shuu
[Gentsuki] Yasashiisa no Houteishiki - Tender equation (COMIC BAVEL 2017-08) [Chinese] [揮淚錦馬超漢化] [Digital]
[Azuki Kurenai] Midara no Houteishiki - The equation of the Immoral Ch. 1-2 [English] [hen-toy]
[Gadget Koubou] Kyuushihaisha Kannou Shashinshuu 1
Kannou Shijin
(C80) [Kirei na Oneesan (Izumi Yayoi)] Moshiaki Moshi Akiko-san ga Yuuichi no Kakushiteta Kannou Shousetsu wo Yondara (Kanon)
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [Digital]
Kanojo wa Kannou Shousetsuka ch33
[Akuochisukii Sensei] Akuochisukii Sensei no Heroine Haiboku no Houteishiki - Equation of Heroine's defeat by Mr. Akuochisukii [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No.366!! Mahou Shoujo Ikusei Keikaku HaaHaa CG Shuu
Kannou no Houteishiki (decensored)
Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi
[Gentsuki] Yasashisa no Houteishiki | Tender Equation (COMIC BAVEL 2017-08) [English] [N04H] [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No. 351!! Bakuon!! HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 350!! Hai to Gensou no Grimgar HaaHaa CG Shuu
Koi no Riron Ai no Houteishiki
[Sena Youtarou] Kannou no Christmas Eve [English][Decensored]
[Pink Power] Mikosama Kannou Shasinshu
Kannou Shousetsu no Eikyou o Ukeru Sagisawa Fumika-san
Kimusume Kanojo no Hatsujou Houteishiki
Yuumei Chara Kannou Shousetsu CG Shuu No. 314!! Higana-chan HaaHaa CG Shuu
Joryuu Kannou Muramura Shikibu
(C91) [KFC (YU)] Kasshoku no Choutei Musume (Granblue Fantasy)
Yuumei Chara Kannou Shousetsu CG Shuu No. 349!! Ninja Slayer HaaHaa CG Shuu
[Fumizuki Kou] Koi suru Houteishiki
Yuumei Chara Kannou Shousetsu CG Shuu No. 403!! Hataraku Saibou HaaHaa CG Shuu
Kanojo wa Kannou Shousetsuka ch13
[Anthology] MOMOPAN 15 [M Otoko x Toshishita no Onnanoko]
Sprechchor to Houteishiki | Chorus and Formula
Kannou Shijin
[Kinako Gyuu Nyuu (Tomoharu)] Koi Suru Houteishiki (Ginga e Kickoff!!)
Kanojo wa Kannou Shousetsuka ch35
Yuumei Chara Kannou Shousetsu CG Shuu No.357!! Gakusen toshi asterisk HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Collection No.225 SKET DAN○E HaHa CG Syu
[Sena Youtarou] Kannou no Christmas Eve (Kannou no Houteishiki) [English] [Team Koinaka]
(CR27) [Yuusei Honpo (Fujimoto Sei)] Mahoutei Kitan (Magical☆Antique)