(C87) [FreeStyleQuartet (Kuusou, Schran)] Seiai Hosyuu Zyugyou
Hajimete no Ane 2
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS)
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
[Hayakawa Akari] Act for the idol stage #1-5 [Chinese]
(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)
Nozoite wa Ikenai NEO! IV - Do Not Peep NEO! IV
(C78) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 1 & 2 Full Color Soushuuhen (Seto no Hanayome) [English]
Kono Haru, Kanojo to Issho ni Sotsugyou Shimashita
(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)
[Nekousa Pudding (Ra-men)] Minerva Yaraneba!! (Robot Girls Z) [Chinese] [不咕鸟汉化组] [Digital]
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C93) [TOHOORIN (Ryuuji)] ESTRUS FANTACY (Granblue Fantasy)
(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)
(C90) [Aquamarine (Mogupuchi)] Sanae-san to Toropuru Days! (Touhou Project)
[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
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English]
[Purple Sky (NO.Gomes)] Minase Iori to Producer 2 (THE iDOLM@STER) [Digital]
[Kajimura Market (Kajimura Kajima)] EsCom -Escort Complex- (Kantai Collection -KanColle-) [2018-04-22]
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [Chinese] [萝莉援助汉化组]
(Air Reitaisai 8) [Kougeki (Ootsuki Wataru)] Netami Satore (Touhou Project) [English] [biribiri]
[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
[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]
[Pon Takahanada] Amaenbo Purin
(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]
Renai Jamboree
Monthly Vitaman 2017-01
(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium)
Onegai Kasen-sama! | Kasen-sama, Please!
[Coffee Chazuke (Genjirou)] Baquartet Joukyou Fumei (Touhou Project) [Digital] [English] [hardcase8translates]
Guri P no Mousou Nikki
[Kesshousui] Kyousei Ero Dance Gakuen [Digital]
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
[Shinjima Saki] Robou no Jari
[Road=Road=] Queen Cat [English] [_ragdoll] [Digital]
(C86) [FreeStyleQuartet (Kuusou)] Ari To Kirigirisu
(CR35) [bolze. (rit.)] Dou nanda? P.T. (Omoikkiri Kagaku Adventure Sou Nanda!)
[FreeStyleQuartet (Kuusou)] Kimi Tono Kyori
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [Decensored]
[Musashimaru] Keep it a Secret... Ch. 1-10 [Eng] {doujin-moe.us}
(C97) [Rurunoya (Rurukichi)] Isekaru Biyori (Isekai Quartet) [English] [EHCOVE]
[Urakan] Zokuzoku Ojii-chan to Gifu to Giri no Musuko to, Kyonyuu Yome. [English] [cageraptor]
[FreeStyleQuartet (Kuusou, Schran)] Kadan no Himitsu
Okaa-san ga Kinjo no Yatsu to | Mom with a neighbor
Clover Quartet Lolic!
Quartett!全原画集
Momoiro Quartet 2.5
Nurechaukara Itazura Shinaide! ~Apron Sugata no Osananajimi o Ushirokara~ 1
3cm Junkie
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]
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(COMIC1☆7) [SUKAPON-DO (Kagawa Tomonobu, Yano Takumi)] Maou-sama to Issho! (Hataraku Maou-sama!) [English]