Penis Research

[Enhancing reality (Kuroi Kouta)] Mihashira-sama to Boku | Mihashira and Me [English] =SW=

(C93) [condiment moderately (Maeshima Ryo)] Hiru no KiraPâti e Youkoso (KiraKira Precure a la Mode) [English] [bluestar1]

(C58) [OZONE, Tougechaya (Various)] FUTANA☆WORLD (Various)

(C81) [Behind Moon (Q)] Dulce Report 14

(SC46) [Tokyo Bungeling Bay Yokohama (Kurori, Suwa Izumo, Ayachi)] Koi no Jumon wa EXED★EXES (Touhou Project)

Shunkan Ch. 2

Adult Goods Tanchiki ~Machi no Inran Onna o Research Seyo~

[Touyu Stand (Touyu Black)] Amano Ichiyo 7 -Ingoku no Utage-

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

[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)

COMIC Masyo 2018-09 [Digital]

[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/]

(C92) [Hermit9 (Anchors)] Otogi no Sato no Onigashima (Touhou Project)

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

So-kon!!

EroSli!

[Kijirusi Ryouhin] Shiipon Roujoku Bon (Uchuu no Stellvia)

(C85) [Forever and ever... (Eisen)] Gensou Saichin Monogatari (Touhou Project)

Futanari Shisutaa Shinsei Naru Fuku ne

(C92) [Ikameshi Shokudou (Ikameshi)] Seisen Hime Iris 2 ~Rensa suru Dennou Daimou Hitori no Seisen Hime~ | Battle Angel Iris 2 ~Another Battle Angel’s Chaining, Brainwashing and Corruption~ [English] {darknight}

Futanari no Elf

[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches

2018 January's Rewards

[Lunaterk] Giri Mara ni Hatsujou Suru Yome | The Wife that Copulated with the Penis-In-Law [English] [The Chrysanthemum Translations]

(C93) [Alice no Takarabako (Mizuryu Kei)] Mamono-sama no Shimobe | Servants of the Demon Lord (Dragon Quest XI) [English] {darknight}

[Noujiru Teishokuya] Penistic Hazard 3

[Zonda] Fellatio Kenkyuubu Ch. 2 | Blowjob Research Club Ch. 2 (COMIC Mugen Tensei 2021-07) [Chinese]【羅莎莉亞漢化】

Futanari no Elf

(COMIC1☆6) [Hybrid Jimushitsu (Muronaga Chaashuu)] Hybrid Tsuushin Vol. 10 (One Piece, Queen's Blade) [English] [maipantsu]

[Kotatsu de Mikan Chokubaijo (Semahiro)] Dynary

[Caramel Dow] Inshoku

(C85) [dam labo (dam)] Bitch na Mutsu-chan no Saishu Ninmu (Kantai Collection -KanColle-)

(C74) [Sakuraya Honpo (Various)] Ano Ko ha Sweets (Warai). (Final Fantasy XI)

(Futaket 7) [LOWHIDE PROJECT (Lowhide)] Futanari Gakuen -FOREVER-

[Oohashi Takayuki] Akuma no Shitsumon Ch.1-10 [English] [biribiri]

Penis Knight and Virgin Princess

Fuuzoku Chinpo Jogakuen | Sexy Penis Women Academy

(C77) [AOI (Makita Aoi)] Futanari Hitozuma Norika Soushuuhen

[Mother2] Kimaira Kenkyuu File - Chimera Research File [Chinese](Uncensored)

[PikoPiko Saber] futa SKETCH

[Tsumagomi Izumo] Houkago☆Nikubenki Club

(Futaket 8) [yunte (Shoutarou)] Hybrid! 4 (Original)

Girl's Fetish Figuration CHRONICLES

[Isutasshu] Tsuittade Kaiteta Henshin Heroine Marunomimatome [English]

[Kawai Shun] Odoru! Shokushu kenkyūjo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [English]

[Suichuu White (Calpish)] Kaiin Chouaku Milky Poplar [English] [desudesu] [Digital]

[Teterun] MuchiMuchi Dobyuu! [Digital]

[InuTeikoku (Mura)] Futanari Imouto to Chinko Kurabe Suru Hon [Digital]

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

Futanari no Elf

(C78) [Tokyo Bungeling Bay Yokohama (Kurori, Suwa Izumo, Ayachi)] Shiyou Zumi Hakugyokurou (Touhou Project)

[Suichuu White (Calpi)] CFG Vol. 3 [Chinese] [沒有漢化] [Digital]

Research of Barnaby Brooks Jr.

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

(C84) [AskRay (Bosshi)] Futa x Futa

(C69) [Behind Moon (Q)] Phallic Girls

[Team Shuffle] Momo An Sou - Logistics of the Homunculus [English]

(C76) [Behind Moon (Q)] Dulce Report 11 [English] [SaHa] [Decensored]

[Kirisaki Byakko] Echidna-sama no Himatsubushi Dai San Soume [English] [Tigoris Translates]

[KEBERO Corporation (Kuroko)] Agrias Messatsu (Final Fantasy Tactics) [Digital]

(C81) [Kakumei Seifu Kouhoushitsu (Various)] SEXSPHERE ORGANELLE 3 (Various) [English] [Tigoris Translates] [Incomplete]

[Satou Kuuki] Aisei Tenshi Love Mary | The Archangel of Love, Love Mary Ch. 1-5 [English] {darknight} [Digital]

Futanari no Elf

[Cr-R]天使可愛い戸塚のデカマラでメスにされる八幡の本 [Sample]

(Futaket 13.5) [InuTeikoku (Mura)] Makon 2 [Chinese]

(C69) [Behind Moon (Q)] Phallic Girls [English] [Raye Starwing] [Decensored]

(Shuuki Reitaisai 4) [Nacchuushou (Amazon)] Taimanin Yuuka (Touhou Project)

[Gakuranman/Chijimetaro] Giant Policeman - Free version (giant male comic)

(C89) [Inuteikoku (Mura)] Makon

[Kaguya] Futanarijima ~The Queen of Penis~丨扶她島 ~女王之鞭~ Ch. 1 [Chinese] [沒有漢化]

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

[MiruBeri] Exercise Bloomers Serifu & Manga Ari (Phantasy Star Online 2)

[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]

[Suichuu White (Calpish)] Kaiin Chouaku Milky Poplar [Digital]

(C93) [2nd color (Typehatena)] Chimametai ga Tabegoro datta no de Oishiku Itadaichaimashita (Gochuumon wa Usagi desu ka?)

Inma-san no Onaho Jijou 1.5 丨淫魔飛機杯二三事 1.5

(C83) [Tokyo Bungeling Bay Yokohama (Kurori)] PachuCon (Touhou Project)

EroSli!

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

[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]

[Hadairo Rooibos Tea (Pandain)] Orin x Okuu Ikenai Futanari Jigoku Seme (Touhou Project) [English] [Digital]

[Oohashi Takayuki] Akuma no Shitsumon Ch.1-8 [English] [biribiri]

[Okawari] Kussetsu Ch. 9 (Tsukaikata) [ENG]

[Andou Hiroyuki] Bijukujo Rinko ~Kuro Kyo Chinpo Hen~ | Attractive Mature Lady Rinko (COMIC Tenma 2014-03) [English] [Natty Translations]

[Mikezoutei] Akuma ni Tamashii o Utta haha ga Inma Bitch e to Henbo Shite iku Hanashi | A Story Where My Mom Turns Into a Bitch [English] {Doujins.com}

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

(C92) [Tiramisu Tart (Kazuhiro)] Reishuu Elf Series 2 - Reishuu no Elf Princess [English] [N04h]

Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3

Akuma Shoukan

[Gesundheit] Iinchou GENESIS | Class Rep GENESIS (#Futsuu no Onnanoko) [English] [ATF] [Digital]

[Hanauna] Daichi ni Tadoritsuku Made ni

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

(C78) [Furu-ya (TAKE)] Kakugee Zanmai 7 | Spiral of Conflict 2 (Chaos Breaker) [English] {Cheesey}

(C88) [Aodouhu (Neromashin)] C88 Omake Bon Honpen ni Iretakatta Botsu Neta Bon (Taimanin Yukikaze)

(COMIC1☆11) [Showa Saishuu Sensen (Hanauna)] Kamiyama Koukou Omanko Kenkyuukai Katsudou Kiroku | Kamiyama Highschools Vagina Research Society Activity Record (Hyouka) [English] [Doujins.com]

(C76) [Behind Moon (Q)] Dulce Report 11 | 达西报告 11 [Chinese] [哈尼喵汉化组] [Decensored]

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

(C93) [condiment moderately (Maeshima Ryo)] Hiru no KiraPâti e Youkoso (KiraKira Precure a la Mode)

Ma no Akumabarai 3

[Touyu Stand (Touyu Black)] Ingoku no Shuujin - Shokei Futanari-ka Kaizou -Kuroshima Kiriko-

(Futaket 10.5) [Rei no Tokoro (Kuroarama Soukai)] Book of Demons

Zessei Kijin

Dokidoki Occult Kenkyuubu | Heart Pounding Occult Research Club

[Kaguya] Futanarijima ~The Queen of Penis~ Ch. 2 [English] {Hennojin}

IJP Infinite Stratos no joseitachi ni penis ga haeta dake no hon

Shihon

[Tori no Sanpomichi (Inukai)] Kakusha-sama no Futanari Online (Dragon's Dogma) [Digital]

(Kouroumu 9) [Stapspats (Various)] Gensoukyou Futanari Chinpo Wrestling Goudoushi GFCW Extreme (Touhou Project)

(Futaket 13.5) [InuTeikoku (Mura)] Makon 2

(C79) [LOWHIDE PROJECT (LOWHIDE)] Hokeni Nishina Akane no Yuuutsu

[Kotobuki Kazuki] Zutto Oneechan no Turn!! | It's My Turn Forever!! [English] {Tadanohito}

[Hai Machuri Seichiku Iinkai] Matsuri

Otonari-san wa Gaikokujin Succubus Shimai | The Foreign Succubus Sisters Next Door

[Satou Kuuki] Aisei Tenshi Love Mary Ch.1-5 [Digital]

Non-Human Life Ch.1-4

Watamote Choukon Irasuto hon - Penisest

さくらちゃんの自由研究2

[Saiyazumi] Watashi, Shishunki Chinpo ga Suki nan desu! - I love the Penis of Adolescent Boys

[Joibo no Juunin] Akko ga Waruin dakara! (Little Witch Academia) [English] {Hennojin}

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

[I-Raf-you (Various)] Microne Magazine Vol. 18 [Digital]

[Oohashi Takayuki] Akuma no Shitsumon

[Hiroyuki Ando] Extract & Eredicate Exorcist [ENG]

[Anthology] Bessatsu Comic Unreal Ningen Bokujou Hen Digital-ban Vol. 5 [Digital]

(COMIC1☆5) [Youkai Tamanokoshi (CHIRO)] SIDE DAKENESS (To Love-Ru Darkness)

[Wakatsuki] Kyojo Kasshoku Inma [Digital]

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

XXXXXHOOD's END

(Futaket 8) [Yuugengaisha Mach Spin (Various)] Kotoni-san wo ** Shitai! [English] =Pineapples r' Us & Doujin-Moe=

Inma-San no Onaho Jijyou 1.5

[John K. Pe-ta] Monzetsu Opportunity [Digital]

Mire ume tabe chau Teruko-chan

[Mikezoutei] Akuma ni Tamashii o Utta haha ga Inma Bitch e to Henbo Shite iku Hanashi | A Story Where My Mom Turns Into a Bitch [English] {Doujins.com}

[Makita Aoi] I'm a Big Fucking Pervert!! (from Momo An 11) [English]

[Kimura Neito] Non-Human Life Ch.1-4 [English] {Doujins.com}

[Momo No Suidousui] Yukiho × Takane Futanarix (THE IDOLM@STER) [English]

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

Futanari no Elf

Mahou no Susume Ch. 7

(Tsuki no Utage 6) [Hirojuu Renshuuchou (Hiroya)] Chibimoko no Toaru Ichinichi | A Certain Day in Chibimokou's Life (Touhou Project) [English] [YQII]

(COMIC1☆7) [Youkai Tamanokoshi (CHIRO)] Itsumo Shigoto de Tsuntsun shite iru Ridget-san o Nagusame-tai☆ (Suisei no Gargantia)

Movie Research Lovers

さくらちゃんの自由研究1

(C85) [ONEGROSS (144)] The OTOHIME 2RR (Seiken Densetsu 3)

Non-Human Life Ch.1-7

(Futaket 10) [Samurai Ninja GREENTEA] Wagamama Longtail

Zecchou Kenkyuujo | Orgasm Research Facility

[Kagerou 1991] Spermatank ~Oborozuki Toshi Comic Shuu~

[Rosetta Stone (Teterun)] Tamatsuki Futa ga Yarareru Hon 3 [Digital]

(Kouroumu 9) [Stapspats (Various)] Gensoukyou Futanari Chinpo Wrestling Goudoushi GFCW Extreme (Touhou Project) [Digital]