Penis Research

[Naginata-kan (Matsurino Naginata)] CRIMSON RABERIA [Digital]

[Zakkin Heiki Seizou Koujou (Zakkin)] Seisei Shoujo ~Refine Girls~

[Zenmai Kourogi] Shigeru Mansion -Mama to Obaachan- | Shigeru's Apartment - Mom and Grandma [English] [Amoskandy]

(Futaket 7) [Musashi-dou (Musashino Sekai)] Futanari Pirates! (One Piece) [English] [YQII]

[Satou Kuuki] Aisei Tenshi Love Mary | The Archangel of Love, Love Mary Ch. 1-8 part 1 [English] {darknight} [Digital]

[Un-Go] Doctor Kazamori's Slightly Naughty Research 2 [English]

Midare Saki Joshuu Kaizoku Soushuuhen | Bloom, Pirate Hooker! Bloom! Annual

(C93) [Service Heaven (Azukiko)] Panther - Kaitou no Shikkaku (Persona 5) [English] [biribiri]

Kansen Hentai Ninshin Report | Warships' Modified-body Pregnancy Report

[Department Y Research Institute] Rorisakyubasu Wa Ningen Ni Tsukamaruto Dō Naru No?

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2 (Shokugeki no Soma) [English] [Metaphrastes]

Fellatio Research Department Epilogue

Queen of Chaos

[Kaguya] Futanarijima ~The Queen of Penis~ Ch. 1-4

(C85) [Erdelied (Nenemaru)] Jingai Shota Soushuuhen - Ajin Shounen [English] [TootOnAHill]

EroSura!

[Zenra QQ] Dekachin Bitch-kun no Seikatsu [Chinese] [管少女汉化]

(C87) [Ratio1 (Ponhosikotu)] Ingunuru. (Street Fighter)

Dance! Tentacle Research Institute

AzuChin - Tokihanatareta 225-hon no Ochinchin

(C88) [Kakumei Seifu Kouhoushitsu (Abe Morioka, RADIOHEAD, Tsunamushi)] MementoMoko (Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!) [English] [Sn0wCrack]

[Yuruyuru GTS (toka, moralgear)] "Akuma no Kimagure" & "Gouin Kyuuin!? Succubus Drain!!" [Digital]

(C91) [Roubai-tei (atahuta)] Tanoshii Seieki Bokujou -Kaihatsu Hen-｜Happy Semen Farm -Development Branch- (Brave Witches) [English] [Mongolfier]

Happy Family Activity [English] [Rewrite] [CrimsonCorset]

[Kaguya] Futanarijima ~The Queen of Penis~ Ch. 2

(Futaket 12) [Inu Teikoku (Mura)] Ikune Fantasy [Chinese] [沒有漢化]

(Futaket 12) [InuTeikoku (Mura)] Ikune Fantasy [Sample]

[Terasu MC] Dorei Gazoku[Ongoing]

Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research

[Hermit9 (Anchors)] Suteki na Sato de Kurashimasho Shi (Touhou Project) [Digital]

[Etigoya (tau)] Aoi-chan Ganbaru!! [English] [desudesu] [Digital]

(Futaket 11.5) [AskRay (Bosshi)] Sumika no Houkago 072 TIME

Maruchibon GUEST

[Puppukupu (Kawaisaw)] Roberuza-sama wa Shojo de Arareru!! [Digital]

[Kajiya] Doushite Ore wa Shikyuu ni Iru? [Chinese] [空空汉化组] [Digital]

(C83) [Kakumei Seifu Kouhoushitsu (Various)] SEXSPHERE ORGANELLE 3.5 (Various)

narufuta [snickerz][一只麻利的鸽子个人汉化]

Aisei Tenshi Love Mary ～Akusei Jutai～ | The Archangel of Love, Love Mary

FutanariJK illustration after school

[Kimura Neito] Non-Human Life Ch.1-6 [English] {Doujins.com}

Shuurare Kudou no Madoushi

Ochi Niku ~ Ookinana Chi￮po ga Niku ni Umorete Tairyoushasei ~

Ochin Poi? | Cock Poi?

[Kaguya] Futanarijima ~The Queen of Penis~ Ch. 4 [Chinese] [黄记汉化组]

[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]

[Gesundheit] Iinchou GENESIS (comic KURiBERON 2017-03 Vol. 53) [Chinese] [沒有漢化] [Digital]

Dance! Tentacle Research Institute

(C80) [Kotatsu de Mikan Chokubai Tokoro (Semahiro)] Nyuurasia!

(C74) [P Shoukai (Various)] Momo-an 22

Futanari no Elf

(C74) [Behind Moon (Q)] Phallic Girls 2

(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)

[Kebero Corporation (Shimokata Kouzou)] Saten De ChinChin [Digital]

COMIC KURiBERON 2018-04 Vol. 66

(C85) [Erect Touch (Erect Sawaru)] QUEEN'S SLAVE 4 (Queen's Blade) [English] [Tigoris Translates]

Two Girl's Suck-Suck Research Note

[Okawari] Kussetsu Refrection Ch.9 (Tsukaikata) (English)

[Gesundheit] Iinchou vs The World (comic KURiBERON 2016-08 Vol. 46) [English] [Digital]

[Toka] Nunota [English] [Degenerate_X]

[Pretty Penis] Soshite Tsuma wa Yogosareru

[Kakumei Seifu Kouhoushitsu (Radiohead)] Soylent Green (Original) [English] [biribiri]

[Anthology] Reijou-tachi no Nichijou Vol.1 [Digital]

[Lowhide Project (LOWHIDE, Mousou-kun, Yao.)] Meshimase Futanari Teachers 2nd & 3rd

[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Ochinpo Miko Anyaku (Granblue Fantasy) [English] {Hennojin} [Digital]

(C79) [Behind Moon (Q)] Dulce Report 13 [English] [SaHa] [Decensored]

Seisen Hime Iris 2 ~Rensa suru Dennou Daimou Hitori no Seisen Hime~ | Battle Angel Iris 2

Penistic Hazard 3

(C81) [Saigado (Saigado)] R-LAB. - Dr. Akagi's individual research lab (Neon Genesis Evangelion) [Chinese] [瓜皮漢化·母系戰士出品@萌夢星君發佈]

海毛虫まゆ【単話】

(C78) [50000S (tow)] Subete ga F ni naru. (Baka to Test to Shoukanjuu)

[Tokyo Tsunamushi Land (Tsunamushi)] Mokkori Mokocchi (Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!) [English] [TSHH] [Digital]

Futanari Kansen Hentai Seiko Report

[Hakidamari] SF Jintai Kaizō (Haha) Chichi Otoko no Musume Yuri Osananajimi Ni Kimochiyoku Kyosei Sa Re Aigan Dōbutsu Ni Kaizō Sa Rete Ippai Aisa Rete Kawaigara Re Chau Usui Hon (Kari Taitoru)

[Mecchori (Mitsuru)] Motto Yasashikushite Hoshii (Fate Zero)

Ijitte Miyo ka

[Kimura Neito] Non-Human Life Ch.1-2 [English] {Doujins.com}

Warhammer40k - 스페이스 자지 | space penis

[Fan no Hitori] Dolls -Yoshino Izumi Hen- | Dolls -Yoshino Izumi's Story- Ch. 1-2 (Dolls) [English] [Happymerchants]

[Satou Kuuki] Aisei Tenshi Love Mary | The Archangel of Love, Love Mary Ch. 1-6 [English] {darknight} [Digital]

Insect Research Institute 2

[Kanmi Cat (Miyase Nukko)] Off-Paco Futanari Ran-sama (Touhou Project) [Digital]

(Futaket 12) [148bpm (Kanon)] Yakumo-ke no Omocha (Touhou Project)

(C88) [Kakumei Seifu Kouhoushitsu (Various)] Memento Moco (Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui!)

(C91) [Rei no Tokoro (Kuroarama Soukai)] M.A.H.O Girls HARD CORE! (Mahou Tsukai Precure!)

[Slow Masturbation Research Society] "The seven fundamental operations" [ENG]

DR:II ep.6 ~Fukkatsusha-tachi~ FIXED

Chōkon Chōchichi Sekai-sen no Aidoru Meikan

(Kouroumu 11) [Hadairo Rooibos Tea (Pandain)] Watashi no Itoshino Danna-sama | My Beloved Husband (Touhou Project) [English] [Brolen+svines85]

Hoshikatta no wa Ookina Chinko - I Want The Big Penis

[148bpm (Kanon)] Futanari Aiganmusu San (Kantai Collection -KanColle-) [Digital]

[chaccu, TinkerBell] Inyouchuu ~Ryoushoku Gakuen Taimaroku~ [English] [SaHa]

Mire ume tabe chau Teruko-chan

Warhammer40k - 스페이스 자지 | space penis

[Shirogane] Mori no Shikitari ~Erufu Doushi no Kon Kurabe?~ (2D Comic Magazine Futanari Battle Fuck!! Vol. 2) [English] {Hennojin} [Digital]

(C92) [Ikameshi Shokudou (Ikameshi)] Seisen Hime Iris 2 ~ Rensa suru Dennou Daimou Hitori no Seisen Hime ~

EroSli!

[Teterun] MuchiMuchi Dobyuu! | 軟嫩軟嫩噗咻咻！ [Chinese]

[Teterun] Furu no Futa Uma Musume Hen (Kari) | The Bath Futa: Horsegirl Chapter (Interim) [English] {Hennojin} [Digital]

(C81) [AOI (Makita Aoi)] No Haganode de (Various)

Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I

(C58) [Tuned Plus (Various)] Shihon (To Heart)

[Yuruyuru GTS (toka)] Chou Ookii Uchuujin ga Ojamashimasu | A Grand Gigantic Alien Welcomes Herself In [English] [JasmineTea]

[Yukikagerou (KANZUME)] Tatta Hitori no Chinpo Kyouzai ~Seikyouiku ni Honki Sugiru Ritou de~ | The Only Penis Material ~On a Remote Island for Practical Sex Education~ [English] [adamar]

(Futaket 11) [148bpm (Kanon)] Futanari Aiganmusu Ni (Kantai Collection -KanColle-)

[Pikopiko Saber] Futanari JK File [Digital]

[Teterun] Kawaii Ano Ko wa Futanari-kei Nikushoku Joshi Saishuuwa [English] {Hennojin} [Digital]

Penis Training Story

艶やかくノ一団 futanari2

(C93) [Dodoitsu. (Panco.)] Research Love Make Presentation | Research Lab x Expression (Motto! Hinekure Chaser 3) [English] [Pink Cherry Blossom Scans]

Futanari Zoku no Shasei Kettou

[Inomaru]Down(English : incompleted)=Thetsuuyaku=

KING PENI Kinpeni-san wo Mederuhon. Efunikin.

[Shiwasu no Okina] Boku no Bokki Penis o Rokuga Shite Ikina Yo | Go Ahead and Film My Hard Penis Ch. 2 (COMIC Aun 2016-06) [English] [/H/]

[Shinozaki Rei] Camp Mission Ch. 1-6 [English]