(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium) [Chinese] [透明声彩汉化组]
Bokoro Quartet 3
Ahiru ga Mamotte ageru!
Momoiro Quartet 4.5
[FreeStyleQuartet (Kuusou, Schran)] Kadan no Himitsu
Scathach e no Choukyou
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome) [Decensored]
(SUPER25) [Maibotsu (Akitani)] Masshiro no Hakoniwa (Owari no Seraph)
[Etuzan Jakusui] Dare ga Tame ni Mesu wa Naku | For Whom Do The Female Cry (COMIC Anthurium 2018-01) [English] [desudesu] [Digital]
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome)
Nayamashi Quartet 3
[Suzupony (Suzunomoku)] Naruko The Quartetto (Alice Gear Aegis) [Digital]
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS)
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [魔狗狗个人汉化]
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化]
[Coffee Chazuke (Genjirou)] Baquartet Joukyou Fumei (Touhou Project) [Digital] [English] [hardcase8translates]
(C86) [FreeStyleQuartet (Kuusou)] Ari To Kirigirisu
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [English] [Flatopia]
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [English] {biribiri}
(C97) [Rurunoya (Rurukichi)] Isekairu Biyori (Isekai Quartet) [English] [TheCrappyTranslators]
[Tail of Nearly] Shadow Defence Ver. 20 (Capcom vs. SNK)
Black or White
(C66) [Akai Marlboro (Aka Marl)] Yuni-san to Mei-tan to
Andira La Land I + II
(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [Decensored]
Ero Sister 3 - My Personal Angel
[Shimanto Shisakugata] BLACK² TRAIN (COMIC Kairakuten 2017-05) [Chinese] [嗶咔嗶咔漢化組] [Digital]
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER)
[FreeStyleQuartet (Kuusou, Schran)] Boku no chiisana Oyomesan
Uniorythm Quartett Visual Fanbook [Incomplete]
[Gengoroh Tagame] Kimiyo Shiruya Minami no Goku (Do You Remember The South Island Prison Camp) Chapter 01-19 [Eng]
Momoiro Quartet 4 ever
Momoiro Quartet 3 TRIbute
(C87) [Gainamon (Natsu no Koucha)] Sakusei Quartet (Touhou Project) [Chinese] [CE家族社]
(C93) [Horizontal World (Matanonki)] Momoiro Quartet 4 ever (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [绅士仓库汉化组]
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS)
Seductive Quartet Collection Full Color
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni ♥♥ Sarechau Hon [2018-08-26]
(C91) [Avalanche (ChimaQ)] Baquartet to Otona no Omamagoto! (Touhou Project)
[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen(Seto no Hanayome) [Decensored]
Kousoku wo Omoidoori ni Kakikaerareru Techou wo Te ni Ireta
Yuzuhara-san-chi no Haruka-san
Kin Onna Yuuwaku Daisandan <Tomodachi no Okaa-san Hen> Zenpen
(C85) [FreeStyleQuartet (Kuusou)] Gohoushi Okami To Wakasama To
Nayamashi Quartet 3 Cosplay Hen
[Rocca (Hidaka Ryou)] Sannen Buri ni Atta Yuri to Judith no Hanashi. Junbigou (Tales of Vesperia) [Digital]
(C91) [Makino Jimusho (Taki Minashika)] SISTERS ~Kakusareta Kioku~ 2012-2015 (SISTERS -Natsu no Saigo no Hi-) [Chinese] [不咕鸟汉化组]
[Divine Fountain (Koizumi Hitsuji)] Marugoto Baquartet (Touhou Project) [Digital]
[STAPSPATS/背水の陣/芋。/発光きむち] Pocket Quartet (pokemon) [Digital]
(Puniket 12) [PASTEL WING (Kisaragi-MIC)] Koniro no Ehon -Sukumizu Quartet- (ToHeart 2)
(C78) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 1 & 2 Full Color Soushuuhen (Seto no Hanayome)
Baquartet Joukyou Fumei