[Kudarizaka Guardrail (Shiraso)] Karen Kishou Quarta Ametus #19 [Digital]
(C95) [Horizontal World (Matanonki)] Momoiro Quartet 2.5 (THE IDOLM@STER CINDERELLA GIRLS) [English] [MegaFagget]
(C91) [Horizontal World (Matanonki)] Momoiro Quartet 2+ (THE IDOLM@STER CINDERELLA GIRLS) [English] [ATF]
Momoiro Quartet 4.5
Karen Kishou Quarta Ametus #17
Karen Kishou Quarta Ametus #7
Karen Kishou Quarta Ametus #14
Rossweisse Sex
(C95) [Trequarti (Hatsuyuki)] Nitta Minami to Nurunuru Lotion Ecchi Shitai Toki ni Yomu Hon (THE IDOLM@STER CINDERELLA GIRLS)
Love Quartet
Mirai-chan to Ippai!
(CWT35) [007] MakoRei Kikan #01 | MakoRei Quarterly 1 (Free!) [English] [ebil trio]
(C78) [Mebius no Wa (Nyx)] Bokoro Quartet 3 (VOCALOID)
Mirai-chan to Ippai Iippai!
1/4 | Un quarto
Momoiro Quartet 2+
(C85) [NIGHT FUCKERS (Mitsugi)] Water lily III (Kyoukai Senjou no Horizon) [English] [biribiri]
(C92) [Horizontal World (Matanonki)] Momoiro Quartet 3 TRIbute (THE IDOLM@STER CINDERELLA GIRLS)
(CT13) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet 2 Rinkan Hen (Seto no Hanayome) [English] [CGrascal] [Decensored]
(SUPER25) [Quartzshow (hari)] Mamo × Masu Akuma no Toriko (Yu-Gi-Oh!)
Karen Kishou Quarta Ametus #8
中文韩漫 傀儡玛莉 Ch.01-13 [Chinese]
(Chou Ore no Turn 2017) [Quartzshow (hari)] Kami Asobu Hoshi 01 (Yu-Gi-Oh!)
Karen Kishou Quarta Ametus #23
(HaruCC18) [Quartierlatin (Wasi)] Uchi no Kareshi ga Sourou Deshite. (K)
(Break Shot! 7) [Quartierlatin (Washi)] Hakui no Koakuma (New Danganronpa V3)
Senchou
(SUPER22) [Quartzshow (hari)] Tasogare no Oukoku (Yu-Gi-Oh!)
Kureguremo.... Kureguremo desu.......
コドナ×モオト
Karen Kishou Quarta Ametus #19
(Hyattou Ryouran ~Kimi no Heart o Shirahadori~) [Quartierlatin (Wasi)] Otenami Haiken to Ikimashou (Touken Ranbu)
Oretachi no Master wa Duel King
(C85) [NIGHT FUCKERS (Mitsugi)] Water lily III (Kyoukai Senjou no Horizon)
(C87) [Shouchuu MAC (Hozumi Kenji)] Jitsuroku! Inran Russian Quarter! (Love Live!)
In The Rynn's Quarters
(C84) [NIGHT FUCKERS (Mitsugi)] Water lily II (Kyoukai Senjou no Horizon)
Karen Kishou Quarta Ametus #11
(C94) [Horizontal World (Matanonki)] Momoiro Quartet 4.5 (THE IDOLM@STER CINDERELLA GIRLS)
Karen Kishou Quarta Ametus #10
Kimi no Shoujikina Usotsuki Heart - Dangan Ronpa dj
anti platonic
(C84) [Shikishima GunTool (Shikishima Tenki, Shikishima Shoutarou)] Himegoto Techou II (Kyoukai Senjou no Horizon)
Yuriban! 1-10
Tomomi Ichirou Quarterly 2002
[Rurunoya (Rurukichi)] Isekairu Biyori (Isekai Quartet) [Digital]
[FreeStyleQuartet (Kuusou, Schran)] Boku no chiisana Oyomesan
(C82) [Clesta (Cle Masahiro)] CL-orz 24 (Horizon in the Middle of Nowhere) [English] {doujin-moe.us}
Kuren Kishou Quarta Ametus #21
Ojou-saManko wa Doutei Chinpo ga Osuki
Beast Quarturback!!
Loli Quartet
CL-jud Sōshūhen
(SUPER26) [Quartierlatin (Wasi)] Shokushu (Danganronpa V3: Killing Harmony)
(C86) [Quartzshow (hari)] RE:WW3 Yami Hyou Sairoku-Shuu (Yu-Gi-Oh!)
Euphobian no Hibiki Quartet - Euphobian will resound.
[Kudarizaka Guardrail (Shiraso)] Karen Kishou Quarta Ametus #17 [Digital]
(CT12) [Hikakuteki Simple na Panty (Ouse Tsukusu)] Nayamashi Quartet (Seto no Hanayome)
Kimi no Shoujikina Usotsuki Heart
QPJ Pure Jam Quarto (Ranma 1/2)
ANGEL Club 2017-11 [Digital]
[Quarter View (Jinnojou)] Kano Kano (Kanon)