(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [Chinese] [CE家族社]
Nayamashi Quartet 1 & 2 Full Color Soushuuhen
(Puniket 12) [PASTEL WING (Kisaragi-MIC)] Koniro no Ehon -Sukumizu Quartet- (ToHeart 2)
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English]
(CT13) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English] [CGrascal] [Decensored]
Momoiro Quartet 4 ever | 복숭아 빛 콰르텟 4 ever
[STAPSPATS/背水の陣/芋。/発光きむち] Pocket Quartet (pokemon) [Digital]
(C86) [FreeStyleQuartet (Kuusou)] Ari To Kirigirisu
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [魔狗狗个人汉化]
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER)
Pocket Quartet
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute | Peach Colored Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
(C95) [Mousou Colosseum (Oda non)] Hitozuma Tawawan Oppai Momi Kouza ~Oppai tte Ii yo ne~ | A Course on Fondling the Breasts of Well-endowed Married Women ~Breasts Are Amazing~ [English] [RedLantern]
[Hinasaki Yo] Zutto Daisuki [Chinese] [篆儀通文書坊漢化]
(Quartet ☆ Score ♪ 6) [Yukimushi (Tochi Yasai)] Pillow Talk (Uta no Prince-sama)
Baquartet to Otona no Omamagoto! | Playing Grown-Up with the Idiot Four!
(C80) [Tsunken (Men's)] Chou LOVE-Ru Black (To LOVE-Ru)
[Amiya Mia] Ikenai Kankei
Momoiro Quartet 3 TRIbute
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English] {CGRascal}
Catching Mom [English] [Rewrite] [EZ Rewriter]
(C85) [FreeStyleQuartet (Kuusou)] Gohoushi Okami To Wakasama To [Chinese] [古龙龙汉化]
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [Chinese] [萝莉援助汉化组]
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [Decensored]
[Shimamoto Harumi] Chocolate Melancholy
[Kintarou] Itsudemo Dokodemo [Chinese]
Taimanin Momoka & Dark Duelist Ranko
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [English] [CGRascal]
[Toluene Ittokan (Pierre Norano)] ONE (Various)
Loli Quartet
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome)
Seductive Quartet Collection Full Color
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! | 和笨蛋四人组玩成人的过家家游戏! (Touhou Project) [Chinese] [Kanade汉化组]
(Quartet Score 6) [Inukare (Inuyashiki)] Uchi no neko ga Ichiban kawaii 2 (Uta no Prince-sama)
Nayamashi Quartette
Konya wa Minako o Okazu ni Shitai.
(C78) [Mebius no Wa (Nyx)] Bokoro Quartet 3 (VOCALOID)
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C85) [FreeStyleQuartet (Kuusou)] Gohoushi Okami To Wakasama To
Ane Yome Quartet Kanzenban
[H-net (HiRo)] Patchouli to Shokushu to Shiri Ana to (Touhou Project) [Digital]
Euphobian no Hibiki Quartet - Euphobian will resound.
(C93) [Various] MELONBOOKS C93 Collection of Pictures EX ver.BLUE
[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen(Seto no Hanayome) [Decensored]
Euphobian no Hibiki Quartet - Euphobian will resound.
(C91) [Horizontal World (Kinnotama)] Momoiro Quartet 2 (THE IDOLM@STER CINDERELLA GIRLS)
(C68) [BLACK DOG (Kuroinu Juu)] Aqua Necklace (Bishoujo Senshi Sailor Moon)
Baquartet Joukyou Fumei
(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium)
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS)
(Quartet Score 5) [@s (akir@)] Change! (Uta no Prince-sama)
Quartet Phantom
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project)
Bokoro Quartet 3
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [English] [Brolen]
(C91) [Horizontal World (Kinnotama)] Momoiro Quartet 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [魔狗狗个人汉化]
Hifuu Ryoujoku 5 Katei Kyoushi Renko | Secret Sex Assault 5 - Private Tutor Renko
[Kizuki Rei] Juurin no Ame [Chinese]
(Tokimeki Party Sensation Premium) [elf.k-ya (elf.k)] Kurumi Miracle Quartet (Kurumi Miracle)
Boku Senyou Ami 3
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project) [Chinese] [oo君個人漢化]
(C93) [Horizontal World (Matanonki)] Momoiro Quartet 4 ever (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化组]
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [English] [Flatopia]
Kuro Gal VS Fuuki Iin - Black Gal VS Prefect 2
Konkai wa Goen Arimashita to Iu Koto de | Seize This Very Moment
Clover Quartet Lolic!
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project)
(Quartet ☆ Score ♪ 6) [Ayu 30% Hiku (Kuma)] Embrasse Moi (Uta no Prince-sama)
Uniorythm Quartett Visual Fanbook [Incomplete]