(CT13) [Hikakuteki Simple na Panty (Imonade Ryouchou)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome)
Akuma no Yuuwaku (Eromonogatari]
[Kudarizaka Guardrail (Shiraso)] Karen Kishou Quarta Ametus #14 [Digital]
(Quartet Score 5) [@s (akir@)] Change! (Uta no Prince-sama)
(C68) [Quarter View (Jinnojyou)] Konomi no Mi (ToHeart2)
(CT21) [NIGHT FUCKERS (Mitsugi)] Water lily (Kyoukai Senjou no Horizon)
(C84) [Shikishima GunTool (Shikishima Tenki, Shikishima Shoutarou)] Himegoto Techou II (Kyoukai Senjou no Horizon)
Welcome! To the Student Council Headquarters
(C86) [FreeStyleQuartet (Kuusou)] Ari To Kirigirisu
(Reitaisai 12) [Fakepucco (Usui)] EL GENSOW cuarta (Touhou Project) [Chinese] [臭鼬娘漢化組]
Kokoro no Shizuku
EL GENSOW cuarta
CL-jud Sōshūhen
Baquartet Joukyou Fumei
[Giniro Shounen Tanteidan (Giniro Tamanin)] Akairo Quartz
Nitta Minami to Nurunuru Lotion Ecchi Shitai Toki ni Yomu Hon
(C82) [Clesta (Cle Masahiro)] CL-orz 24 (Horizon in the Middle of Nowhere) [English] {doujin-moe.us}
Uniorythm Quartett Visual Fanbook [Incomplete]
Clover Quartet Lolic!
(C82) [Clesta (Cle Masahiro)] CL-orz24 (Kyoukai Senjou no Horizon) [English] [Decensored]
Shi-jou Ikken No Suiren
[WILD Goat & QUARTER.] Stand Play (Jojo's Bizarre Adventure)
Baquartet to Otona no Omamagoto! | Playing Grown-Up with the Idiot Four!
[H-net (HiRo)] Patchouli to Shokushu to Shiri Ana to (Touhou Project) [Digital]
Karen Kishou Quarta Ametus #3
(C93) [L.G.C. (Rib:y(uhki))] Giji Renjouteki Kaiyu Ryouhou | Pseudo Romantic Pleasure Therapy (Fate/Grand Order) [English] [Saint Quartz Scans]
(CT21) [NIGHT FUCKERS (Mitsugi)] Water lily (Kyoukai Senjou no Horizon) [English] [biribiri]
Mahou Shoujo Tai Quartz Saishuuwa
[Kudarizaka Guardrail (Shiraso)] Kuren Kishou Quarta Ametus #21 [Digital]
(C92) [Yuunabe Shinkouchuu (Tanabe Kyou)] Loli Quartet (Bakemonogatari) [Chinese] [萝莉援助汉化组]
Karen Kishou Quarta Ametus #23
(King of Colors III) [sukinaco (Imai)] sugar sweet nightmare (K)
Oretachi no Master wa Duel King
[Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 1,2 Full Color Soushuuhen (Seto no Hanayome) [English]
(Sennen☆Battle Phase 7) [Quartzshow (hari)] Kimi ga Sokubaku Suru Riyuu, Boku ga Shibatta Wake (Yu-Gi-Oh!)
(C78) [Mebius no Wa (Nyx)] Bokoro Quartet 3 (VOCALOID)
[Sabashi Renya] Onee-chan no Omocha (COMIC Tenma 2015-07) [Chinese] [义军AneMoe]
[Majimeya (isao)] FGO no Erohon | FGO Dirty-Mag (Fate/Grand Order) [English] [Saint Quartz Scans] [Digital]
xxx kenshi!!|×××禁止!!
(Quartet ☆ Score ♪ 6) [Ayu 30% Hiku (Kuma)] Embrasse Moi (Uta no Prince-sama)
[Kudarizaka Guardrail (Shiraso)] Karen Kishou Quarta Ametus #13 [Digital]
(C77) [Wechselhaft (Kima-gray)] Last Quarter (The Melancholy of Haruhi Suzumiya)
[Quartzshow (Hari)] Calling My Name (Yu-Gi-Oh!)
(HaruCC18) [Quartierlatin (Wasi)] Okubyoumono no Hatsukoi (K) [English] [marise]
(C72) [Quarter View (Jin'nojyou)] Nana Hosi (Lucky Star)
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 3 MajiIki Hen
Kuren Kishou Quarta Ametus #21
(Quartet Score 4) [Inukare (Inuyashiki)] Mairasu Complex (Uta no Prince-sama)
Kimi no Tonari ga Namureru Basho
[clesta (Cle Masahiro)] CL-orz 25 (Kyoukai Senjou no Horizon)
(Puniket 12) [PASTEL WING (Kisaragi-MIC)] Koniro no Ehon -Sukumizu Quartet- (ToHeart 2)
(C80) [Quartzshow (Hari)] Aurora 1 (Yu-Gi-Oh!)
(C87) [Aozora Shoujo (Shirane Taito)] LOLI QUARTETT! (THE IDOLM@STER) [Chinese] [脸肿汉化组]
吸精妖女
(SUPER26) [Quartierlatin (Wasi)] Shokushu (Danganronpa V3: Killing Harmony)
In The Rynn's Quarters
(Sennen Battle Phase17) [Quartzshow (hari)] Raison D'être Sain (Yu-Gi-Oh!)
(CR25) [Easy Thrilling (Dozamura)] quarterly LIBIDO VOL.2 (Super Doll Licca-chan)
(C90) [Horizontal World (Kinnotama)] Momoiro Quartet (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [魔狗狗个人汉化]
Karen Kishou Quarta Ametus #13
(C88) [Quartzshow (hari)] RE:WW4 AURORA Shirizu Sairoku-Shuu (Yu-Gi-Oh!)
(C90) [Quartzshow (hari)] RE:WW5 Yami-Hyou Sairoku-Shuu (Yu-Gi-Oh!)
ピクチャー・パーフェクト (Psycho-Pass)
(C82) [Clesta (Cle Masahiro)] CL-orz24 (Kyoukai Senjou no Horizon) [Decensored]
(HaruCC22) [Quartierlatin (Wasi)] Kimi no Shoujikina Usotsuki Heart (New Danganronpa V3) [English]
Naruko The Quartetto | 丸子四重奏
Karen Kishou Quarta Ametus #2
Karen Kishou Quarta Ametus #14
[Kudarizaka Guardrail (Shiraso)] Karen Kishou Quarta Ametus #20 [Digital]
[Kudarizaka Guardrail (Shiraso)] Karen Kishou Quarta Ametus #19 [Digital]
(C93) [Bijutsubu (Shiduki Michiru)] Euphobian no Hibiki Quartet - Euphobian will resound. (Hibike! Euphonium) [Chinese] [透明声彩汉化组]
(C91) [Horizontal World (Kinnotama)] Momoiro Quartet 2 (THE IDOLM@STER CINDERELLA GIRLS)
Quartet Phantom
[Quartzshow (hari)] RE:WW (Yu-Gi-Oh!) [Digital]
Karen Kishou Quarta Ametus #12
(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]
Karen Kishou Quarta Ametus #8
[Quarter View (Jinnojou)] Kano Kano (Kanon)