(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [English] [CGRascal]
Momoiro Quartet 3 TRIbute
(C86) [FreeStyleQuartet (Kuusou)] Ari To Kirigirisu
Ore ga katta ndakara ore no tame ni wan to nake!!
(C93) [Horizontal World (Matanonki)] Momoiro Quartet 4 ever (THE IDOLM@STER CINDERELLA GIRLS)
Haiboku no Otenba Hime
(C87) [FreeStyleQuartet (Kuusou, Schran)] Seiai Hosyuu Zyugyou
Quartet Phantom
Doragontakuse~tsu○ su
Quartett!全原画集
(COMIC1☆6) [Yoru no Benkyoukai (Fumihiro)] ankosyokusyu (Puella Magi Madoka Magica)
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [English] {biribiri}
(Keikaku 0x0C) [Himitsu Doyoubi (Matsutaka Zon)] Witch Trial (Doki Doki Majo Shinpan!)
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [English] [Flatopia]
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [Decensored]
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [English] [Decensored]
(C90) [50on! (Aiue Oka)] Silent Aquarium (Love Live! Sunshine!!)
(C91) [Horizontal World (Matanonki)] Momoiro Quartet 2+ (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
Nayamashi Quartet 1 & 2 Full Color Soushuuhen
(C66) [Akai Marlboro (Aka Marl)] Yuni-san to Mei-tan to
(Puniket 12) [PASTEL WING (Kisaragi-MIC)] Koniro no Ehon -Sukumizu Quartet- (ToHeart 2)
[FreeStyleQuartet (Kuusou, Schran)] Boku no chiisana Oyomesan
[Coffee Chazuke (Genjirou)] Baquartet Joukyou Fumei (Touhou Project) [Digital] [English] [hardcase8translates]
Euphobian no Hibiki Quartet - Euphobian will resound.
(C76) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 3 Cosplay Hen (Seto no Hanayome) [English]
[ATARU] Sokkyou no Bakunyuu Kyoushi [Digital]
[FreeStyleQuartet (Kuusou, Schran)] Kadan no Himitsu
Loli Quartet
(Quartet Score 4) [Inukare (Inuyashiki)] Mairasu Complex (Uta no Prince-sama)
Baquartet Joukyou Fumei
(C85) [FreeStyleQuartet (Kuusou)] Gohoushi Okami To Wakasama To [Chinese] [古龙龙汉化]
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C78) [Mebius no Wa (Nyx)] Bokoro Quartet 3 (VOCALOID)
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [English] [Brolen]
[FreeStyleQuartet (Kuusou)] Kimi Tono Kyori
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project) [Chinese] [oo君個人漢化]
(Quartet Score 5) [@s (akir@)] Change! (Uta no Prince-sama)
(C95) [Horizontal World (Matanonki)] Momoiro Quartet 2.5 (THE IDOLM@STER CINDERELLA GIRLS) [English] [MegaFagget]
毎日が挿入日
(C85) [FreeStyleQuartet (Kuusou)] Gohoushi Okami To Wakasama To
Nayamashi Quartet 3
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS)
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English] {CGRascal}
Seductive Quartet Collection Full Color
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [Chinese] [脸肿汉化组]
(CT13) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English] [CGrascal] [Decensored]
(C76)[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 3 Cosplay Hen (Seto no Hanayome)
(C78) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 1 & 2 Full Color Soushuuhen (Seto no Hanayome)
[Kanna Tenzuki] Money Squeeze GO! (Uncensored)[English]
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project)
(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium)
Love Quartet
(COMIC1☆7) [momoirohoppe (Rei, Tomu)] Hiriki desuga Ganbarimasu! (Dynasty Warriors)