(C87) [FreeStyleQuartet (Kuusou, Schran)] Seiai Hosyuu Zyugyou
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS)
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [Decensored]
(C95) [Horizontal World (Matanonki)] Momoiro Quartet x Quartet (THE IDOLM@STER CINDERELLA GIRLS)
(C81) [Hanamiduki (Miduki Shou)] Miki-teki☆☆Lesson (THE iDOLM@STER) [Digital]
(C78) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 1 & 2 Full Color Soushuuhen (Seto no Hanayome) [English]
(C83) [Aspergillus (okara)] Datensei no Tatakai (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
Kuroneko Choco Ice 7
(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium) [Chinese] [透明声彩汉化组]
(Quartet Score 6) [Inukare (Inuyashiki)] Uchi no neko ga Ichiban kawaii 2 (Uta no Prince-sama)
(C88) [BAD FRIEND (Roki, Rindou)] Saimin! Negai o Kiku Sennin (Touhou Project)
(C90) [OkayuShop (Okayu)] Nayamashi no Mousou Shoujo (Granblue Fantasy) [English]
Koroshiya Shoujo
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C76)[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 3 Cosplay Hen (Seto no Hanayome)
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [Chinese] [CE家族社]
(C92) [Opaque (Futou Ryouko)] Cinderella Assort vol. 5 ~Sayonara Magiquartet! Niji ga Kieta Hi~ (THE IDOLM@STER CINDERELLA GIRLS)
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project)
(Quartet ☆ Score ♪ 6) [Ayu 30% Hiku (Kuma)] Embrasse Moi (Uta no Prince-sama)
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project)
[Littlewitch]無料配布本 Quartett! tone (VISUAL PREVIEW)
[H-net (HiRo)] Patchouli to Shokushu to Shiri Ana to (Touhou Project) [Digital]
(Puniket 12) [PASTEL WING (Kisaragi-MIC)] Koniro no Ehon -Sukumizu Quartet- (ToHeart 2)
(C97) [Rurunoya (Rurukichi)] Isekairu Biyori (Isekai Quartet) [English] [TheCrappyTranslators]
Baquartet Joukyou Fumei
(Quartet Score 4) [Inukare (Inuyashiki)] Mairasu Complex (Uta no Prince-sama)
[Suzupony (Suzunomoku)] Naruko The Quartetto (Alice Gear Aegis) [Digital]
Nayamashi Quartet 3
Pocket Quartet
(C86) [my pace world (Kabocha Torte)] sleeping cutie ~Nemureru Shoujo to Sei no Majuu~ (Pokémon Black and White)
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English]
Nayamashi Qartetto 2 Wa Rinkanhen
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [Chinese] [萝莉援助汉化组]
Yame Haha | Resignee Mother
[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen(Seto no Hanayome) [Decensored]
Momoiro Quartet 2+
(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) [Chinese] [脸肿汉化组]
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [English] [Flatopia]
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [English] {biribiri}
Loli Quartet
TS Musume Kodama-chan to H! | TS girl Kodama-chan and H!
[STAPSPATS/背水の陣/芋。/発光きむち] Pocket Quartet (pokemon) [Digital]
Momoiro Quartet x Quartet
Momoiro Quartet 3 TRIbute
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute | Peach Colored Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
(CT11) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Keishi Soukan | Superintendent Incest Tease (Seto no Hanayome) [English] {CGrascal}
Haha no Himitsu | Secret of Mother Ch. 4-5
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS)
Momoiro Quartet 4 ever
[Divine Fountain (Koizumi Hitsuji)] Marugoto Baquartet (Touhou Project) [Digital]
(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium)
Existence Disappeared! My Impregnation Harem
[Coffee Chazuke (Genjirou)] Baquartet Joukyou Fumei (Touhou Project) [Digital] [English] [hardcase8translates]
Nayamashii Fighters | Frustrated Fighters
Uniorythm Quartett Visual Fanbook [Incomplete]
(C91) [Horizontal World (Kinnotama)] Momoiro Quartet 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(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]
Seductive Quartet Collection Full Color
Kinoko tabetara nanka haeta!
(C86) [FreeStyleQuartet (Kuusou)] Ari To Kirigirisu
[FreeStyleQuartet (Kuusou)] Kimi Tono Kyori
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [Decensored]
(C97) [Rurunoya (Rurukichi)] Isekaru Biyori (Isekai Quartet) [English] [EHCOVE]
[FreeStyleQuartet (Kuusou, Schran)] Kadan no Himitsu
Clover Quartet Lolic!
Quartett!全原画集
Momoiro Quartet 2.5
[yui7] Catch! (Mebae Vol.3 - Vivid Girls Love Anthology) [English] [Yuri-ism]
Nayamashi Quartet 3 Cosplay Hen
(C76) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 3 Cosplay Hen (Seto no Hanayome) [English]
(C91) [Horizontal World (Matanonki)] Momoiro Quartet 2+ (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
Maseo no Takurami - Musuko no Tomodachi to no Irogoto ga Musuko no Tomodachi ni Bareta Tsuma
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
僕を2年間想い続けて同じ大学に入学してきた内気な爆乳後輩ちゃんとのいちゃラブセックス
Urahara Ch.09
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome)
Euphobian no Hibiki Quartet - Euphobian will resound.
Baquartet to Otona no Omamagoto! | Playing Grown-Up with the Idiot Four!
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [English] [Decensored]