(C93) [Horizontal World (Matanonki)] Momoiro Quartet 4 ever (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化组]
[Yadokugaeru (locon)] Hakusen to Sumizome Kaidan Shitagaku Jouji [Digital]
(Quartet ☆ Score ♪ 6) [Yukimushi (Tochi Yasai)] Pillow Talk (Uta no Prince-sama)
Uniorythm Quartett Visual Fanbook [Incomplete]
Baquartet to Otona no Omamagoto! | Playing Grown-Up with the Idiot Four!
Love Quartet
(C66) [Akai Marlboro (Aka Marl)] Yuni-san to Mei-tan to
(Lyrical Stage) [Unti Animamundi (Yozakura Kyouka, Mutsuki Karasu)] Zettai Gangushi Haisha (Mahou Shoujo Lyrical Nanoha) [English] [Vic-Vic]
Yozakurax & Yumix New Link
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome)
Horoyoi Gensoukyou ~ Yozakura no Shita de Gattsuri Namahame Sex Tairyou Shasei ~
[Bronco Hitoritabi (Uchi-Uchi Keyaki)] Otome Ninpouchou Shoujo Sange (Senran Kagura) [Digital]
[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 1,2 Full Color Soushuuhen (Seto no Hanayome) [English]
Loli Quartet
(Lyrical Magical 3) [Unti・Animamundi (Yozakura Kyouka, Mutsuki Karasu)] Appetite (Mahou Shoujo Lyrical Nanoha)
[Hot House]Shunrai(Rurouni Kenshin)
Baquartet Joukyou Fumei
Yozakura Hiyori
(C95) [Horizontal World (Matanonki)] Momoiro Quartet 2.5 (THE IDOLM@STER CINDERELLA GIRLS) [English] [MegaFagget]
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [Decensored]
Zennin Oppai ~Gessen Joshi Hen~
Sakusei Kangoshi no Onee-san | Cumsqueezing Nurse Lady
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [English] [CGRascal]
Nayamashi Quartet 1 & 2 Full Color Soushuuhen
(Reitaisai 8) [Arekusa Thunder (Arekusa Mahone)] Horoyoi Gensoukyou ~ Yozakura no Shita de Gattsuri Namahame Sex Tairyou Shasei ~ (Touhou Project)
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [English] [Brolen]
(C97) [Rurunoya (Rurukichi)] Isekaru Biyori (Isekai Quartet) [English] [EHCOVE]
Seductive Quartet Collection Full Color
(C91) [Horizontal World (Matanonki)] Momoiro Quartet 2+ (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
[STAPSPATS/背水の陣/芋。/発光きむち] Pocket Quartet (pokemon) [Digital]
Sensei ga Bakunyuu Joshikousei-tachi to Love Love Rankou Dekitawake 2
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome)
(Quartet Score 4) [Inukare (Inuyashiki)] XXX ME (Uta no Prince-sama)
(Reitaisai 8) [Arekusa Thunder (Arekusa Mahone)] Horoyoi Gensoukyou ~ Yozakura no Shita de Gattsuri Namahame Sex Tairyou Shasei ~ (Touhou Project) [Chinese] [靴下汉化组]
Momoiro Quartet x Quartet