(SHT2016 Haru) [Divine Fountain (Koizumi Hitsuji)] Ecchi na Mahou Hairimashita! (Mahou Tsukai PreCure!)
(Kouroumu 7) [Divine Fountain (Koizumi Hitsuji)] Yamabiko Inran Choukyou (Touhou Project)
(SC52) [Futanarun (Kurenai Yuuji)] Futanari Musume ga Ryouteashi o Kotei Sarete Nando mo Kyousei-teki ni Shasei Saserareru dake no Hon | The Story of a Futanari that is Forced to Cum Over and Over Again on all Fours. [English] =Pineapples r' Us=
Natural Bon Kissers
[434 Not Found (isya)] Cure Assort Selection (Dokidoki! PreCure, Suite PreCure, HeartCatch PreCure!) [English] [Digital]
[Yukiusagi.] Kami-sama no Osasoi -after- | God's Invitation (COMIC Unreal 2018-02 Vol. 71) [English] [Zero Translations] [Digital]
[Shinsei Fountain (Koizumi Hitsuji)] Marugoto Scarlet (Touhou Project) [Digital]
CHAOS PANIC
(C93) [Fountain's Square (Hagiya Masakage)] HYDRANGIA (Fate/Grand Order)
[Sasamori Tomoe] Paradise Found Zenpen | Paradise Found Part I (COMIC HOTMiLK 2016-10) [English] [Redlantern] [Digital]
(C80) [434NotFound (isya)] 2 Become 1 (Suite PreCure) [English] [Yuri-ism]
(C85) [Foundation/1 (MANA)] Gentle Rhythm 6 (Touhou Project) [English] [q91]
Fourth the dream
Hoshi No Founi
Lustful on All Fours
Mesu Dachi Four Itome no Deka Onna Senpai
[Itaba Hiroshi] Kono Haru, Kanojo ga Dekimashita. - I found a girlfriend in this spring [Chinese]
Two Times Two Equals Four
水着清少納言、ナイトクラブを楽しむ
[Itaba Hiroshi] Kono Haru, Kanojo ga Dekimashita. - I found a girlfriend in this spring [Digital]
(Kouroumu 5) [Divine Fountain (Koizumi Hitsuji)] Hypnotic Taming (Touhou Project)
Turned into a Breast Fountain by a Beautiful Vampire
(SC19) [RAT TAIL (Irie Yamazaki)] PRINCESS SISTERS NIGHT FOUR
Lament -Hope or Despair-
(Reitaisai 5) [Divine Fountain (Koizumi Hitsuji)] 9 Bai Cirno Jiru (Touhou Project)
One and Two and a Three and Four
I found a green-haired girl so I put her in restraint.
(C90) [434 Not Found (isya)] Addicted LiPPS 2 (THE IDOLM@STER CINDERELLA GIRLS)
Yuuwaku・Imouto #4 Ani ni Uraaka ga Barechatt... | Little Sister Temptation #4 My Older Brother Found Out About my Secret Acc...
(C77) [Nine Four Air (Tomo)] Mitsugetsu (Nurarihyon no Mago) [English] [EHCove + Hennojin]
Onii-chan Fourinrabu
(C64) [Alice Syndrome (Shoda Norihiro)] Foundation (Uchuu no Stellvia, Sakura Taisen 3)
(C90) [MUSHIRINGO (Ashiomi Masato)] Fourth the dream (Drakengard 3) [English] [tabibit0]
(SC30) [PINK CHUCHU (Mikeou)] four seasons (Sister Princess)
(SC41) [Divine Fountain (Koizumi Hitsuji)] Subterranean Taming (Touhou Project)
Forty and Fourteen
SWEET HONEYMOON
Shin Izumi no Hiroba 2
(C99) [Home Not Found (snhr, Fudisen)] Naisho no Gohoubi (Blue Archive)
papakatsurumiachan
[Sasamori Tomoe] Paradise Found Zenpen + Kouhen | Paradise Found Part I + II (COMIC HOTMiLK 2016-10 + COMIC HOTMILK 2017-04) [English] [Redlantern] [Digital]
Getter Robo Tai Kongou Yon Shimai | Getter Robo vs The Kongou Four Sisters
(404 not found? but CREATE!) [Torchlily (Seiryou Touya)] 404 Puchiki Nen Hon (Shaman King) [English] [N04h]
(C88) [Divine Fountain (Koizumi Hitsuji)] Himitsu no Kaigai Ensei (Kantai Collection -KanColle-)
[神聖ファウンテン] めちょつくめちゃっくす (HUGっと!プリキュア)
(C90) [ARTERIAL HEART (Aotsu Karin)] Satou-san no Ofuro de Gohoushi Hon (Ao no Kanata no Four Rhythm)
(C80) [434NotFound (isya)] 2 Become 1 (Suite PreCure)
(COMIC1☆11) [Fountain's Square (Hagiya Masakage)] DRAGON BUSTER! Copyshi (Kobayashi-san-chi no Maid Dragon)
Damashiuchi | Foul Play
Yon Shimai no Ibasho | The Four Sisters' Home
(C81) [Kacchuu Musume] Chinese Figure Four Lock (Various)
Bishoujo Teki Kaikatsu Ryoku 2006-04 Vol. 7
(C88) [Shinshunshantonshou (Bukatsu)] Sweet Four Seasons (Senran Kagura -Shoujotachi no Shinei-)
[ternotte (noneto)] Shin Seiheki Kaitaku no Mana | Newfound Fetish of Mana [English]
(GirlsLoveFestival 16) [434NotFound (isya)] Amaeta gari na Kanojo (THE IDOLM@STER CINDERELLA GIRLS)
Itazurana foukasu Enfoque travieso
[MGW (Isou Doubaku)] E-4 - emergency fourth (Tsukihime)
(C75) [VENOM (Alto Seneka, Rusty Soul)] OIOI FOUR KY to Gachiren to Yuujou to? (Mitsudomoe)
[Toluene Ittokan (Pierre Norano)] Ketsu! Megaton Four (Various) [Digital]
Gentle Rhythm 5
NFOurakuesuto
DrBug Biohazard
Lisa Yuki BangDream! Doujinshi 2020
(Cinderella Memories 7) [434 Not Found (isya)] SWEET MEMORIES (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [EZR個人漢化]
Akarui Kazoku Seikatsu Boku Kazuma Hen Ch. 2
(C80) [Skirt Tsuki (keso)] OmanZ (Zeta Gundam)
Solo Hunter no Seitai 4 The fourth part
[Shinozuka George] Yasashii Sekai [Digital]
[Divine Fountain (Koizumi Hitsuji)] Super yoiyami Time (Touhou Project) [Digital]
[Shiraishi Nagisa] Midarana Gibo to 4-nin no Musuko - A Nasty Mother-in-law and Four Sons
[Kouji] Bishoujo Vampire ni Bonyuu Drink Bar ni Sareru Hanashi | Turned into a Breast Milk Fountain by a Beautiful Vampire [English] [Limonchik11]
[Takk] Chongyun Found Xingqiu's Stuff
[PONPON] Eight Four [ENG]
[Nakamura Nawo.] Four-of-a-Kind-chan-tachi ga Koumakan o Naburi ni Iku Hon (Touhou Project)
(C87) [434 Not Found (isya)] Cure Assort 3 (Dokidoki! PreCure, Suite PreCure, HeartCatch PreCure!) [Chinese] [大友同好会]
The Rules of Zero
[Shiwasu no Okina] Shining Musume. 4. Number Four
Yon Ekikan Renai | Fourth Station Romance
Ofuro DAYS 5 | Bath DAYS 5
Uchuu no Siso-sama no Tugai ni Naru shika Nai! | I Have to be the Founder of Space’s Pair!
(CR32) [Kyomu no Uta (Satou Toshio)] GENERAL FOUL-UP (Various)
(C94) [Gekidoku Shoujo (ke-ta)] Crazy Four Seasons (Touhou Project)
Four prisoners
Jimiko Diary Four
I'm The Fourth Sex Ed Teacher For Young Master
Gentle Rhythm 3
WEB Bazooka Vol.29
(CT22) [Serenta (BOM)] Ofuro DAYS 5 (DOG DAYS)
(Rainbow Flavor 12) [434 Not Found (isya)] Cure Assort 4 (Dokidoki! PreCure, Go! Princess PreCure, Suite PreCure)
(COMIC1☆10) [434 Not Found (isya)] Addicted LiPPS (THE IDOLM@STER CINDERELLA GIRLS)
(C81) [Four Leaves Clover (Yotsuba Yuiko)] Opparusui (Touhou Project)
Dr.BUG Containment Failure
(C75) [DIGITAL ACCEL WORKS (INAZUMA)] gRand theft samen four~ (Zettai Karen Children)
(C95) [Divine Fountain (Koizumi Hitsuji)] Reimu-chan ni Sashiire to Shoushite Ippuku Motte Neteru Aida ni Eroi Koto Yacchau Hon (Touhou Project)
Tsunade to Raikage
MC Gakuen Yon Jigenme | MC High Fourth Period
The Formula for a Foursome
(C60) [Fountain's Square (Hagiya Masakage)] RAVE ON (Comic Party)
Seieki no Aji o Shitta Remilia wa Dosukebe Kyuuketsuki ni Nacchaimashita
(ComiComi10) [Fountain's Square (Hagiya Masakage)] RARE HERO (The Melancholy of Haruhi Suzumiya)
Fourteen Plus
[Divine Fountain (Koizumi Hitsuji)] Naedoko Flan-chan (Touhou Project) [Digital]