(CR26) [White Elephant (Various)] Futomomo Shukujo Kannoushashinshuu (AIKa)
Kirei na Onna to H no Houteishiki
Joryuu Kannou Muramura Shikibu
Joryuu Kannou Muramura Shikibu
Kannou no Houteishiki (decensored)
Yuumei Chara Kannou Shousetsu CG Shuu No. 274!! Date A Live HaaHaa CG Shuu
[Momonga Club (Hayashibara Hikari)] Shoujo no Houteishiki - Girls of Equation [English] [SaHa] [Digital]
Midara no Houteishiki - The Equation of the Immoral Kanzenban
[Yuiga Naoha] 4P Houteishiki (COMIC P Flirt Vol.10 2011-04)
[Mugen Houteishiki (Mugen)] Shinkai Seikan (Kantai Collection -KanColle-) [Digital]
Yuumei Chara Kannou Shousetsu CG Shuu No. 403!! Hataraku Saibou HaaHaa CG Shuu
[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]
Yuumei Chara Kannou Shousetsu CG Shuu No. 392!! Yuru Camp HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No.374!! Gabriel Dropout HaaHaa CG Shuu
Yuumei Chara Kannou Shousetsu CG Shuu No. 347!! Kekkai Sensen HaaHaa CG Shuu
[Hiyoshi Hana] Kare to Imouto no Houteishiki (COMIC Megastore 2012-08)
[Azuki Kurenai] Midara no Houteishiki: The Equation of the Immoral
Chigiri to Musubi no Houteishiki - Equation of Chigiri & Musubi
[Kinako Gyuu Nyuu (Tomoharu)] Koi Suru Houteishiki (Ginga e Kickoff!!)