Black or White
Yuzuhara-san-chi no Haruka-san
Ero Sister 3 - My Personal Angel
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari)
Andira La Land I + II
(C78) [Mebius no Wa (Nyx)] Bokoro Quartet 3 (VOCALOID)
(C93) [Horizontal World (Matanonki)] Momoiro Quartet 4 ever (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化组]
[FreeStyleQuartet (Kuusou, Schran)] Kadan no Himitsu
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [English] [Flatopia]
[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen(Seto no Hanayome) [Decensored]
(Quartet Score 4) [Inukare (Inuyashiki)] Mairasu Complex (Uta no Prince-sama)
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project)
(C85) [FreeStyleQuartet (Kuusou)] Gohoushi Okami To Wakasama To [Chinese] [古龙龙汉化]
(C92) [Opaque (Futou Ryouko)] Cinderella Assort vol. 5 ~Sayonara Magiquartet! Niji ga Kieta Hi~ (THE IDOLM@STER CINDERELLA GIRLS)
[Suzupony (Suzunomoku)] Naruko The Quartetto (Alice Gear Aegis) [Digital]
(Quartet Score 5) [@s (akir@)] Change! (Uta no Prince-sama)
[OOPARTS (Tori)] GERMAN DOG (Axis Powers Hetalia)
[Kamisiro Ryu] Shirushi [Chinese]
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS)
Loli Quartet
(C77) [DA HOOTCH (ShindoL)] Hanshoku Nebura (Monster Hunter)
Bokoro Quartet 3
(C89) [Jikansa-Kougeki (Tooya Daisuke)] Binetsu Oujo (Granblue Fantasy)
Euphobian no Hibiki Quartet - Euphobian will resound.
(C87) [FreeStyleQuartet (Kuusou, Schran)] Seiai Hosyuu Zyugyou
Baquartet Joukyou Fumei
Seductive Quartet Collection Full Color
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome)
(C93) [Horizontal World (Matanonki)] Momoiro Quartet 4 ever (THE IDOLM@STER CINDERELLA GIRLS)
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [Decensored]
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS)
(C85) [Ultra Siccative (pu2, Asakura Blue)] Siccative85 (Bakemonogatari)
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C97) [Rurunoya (Rurukichi)] Isekaru Biyori (Isekai Quartet) [English] [EHCOVE]
(C97) [Rurunoya (Rurukichi)] Isekairu Biyori (Isekai Quartet) [English] [TheCrappyTranslators]
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER)
(C78) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 1 & 2 Full Color Soushuuhen (Seto no Hanayome) [English]
Ane Yome Quartet Kanzenban
Quartet Phantom
[Coffee Chazuke (Genjirou)] Baquartet Joukyou Fumei (Touhou Project) [Digital] [English] [hardcase8translates]
Fushidara Biyori
Rankoi
Nayamashi Quartette
Momoiro Quartet 2.5
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [English] {biribiri}
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [English] [CGRascal]
(C91) [Horizontal World (Kinnotama)] Momoiro Quartet 2 (THE IDOLM@STER CINDERELLA GIRLS)
[Archa1c (Nada Shio)] Kaibutsu Musume Studies - Monster Girl Studies
[FreeStyleQuartet (Kuusou, Schran)] Boku no chiisana Oyomesan
Momoiro Quartet x Quartet
Uniorythm Quartett Visual Fanbook [Incomplete]