Biological Research Labswweb

Kesson meido Rui | 殘缺女僕琉衣

[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]

[Empress] [Full Color Seijin Han] Starless 1 - Haitoku no Yakata Complete Ban [Digital]

Two Girl's Suck-Suck Research Note

(C63) [MUSASABIDO (Bakuchin)] Research of a maid

Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2

Kuro Gal Nee-san wa Iiko ni Shiteru to Sei Shori Sex Shite Kureru

(Key Island 2) [Chocolate Ramune Ice (puya)] Shikatanai desho, Suki nan dakara. (CLANNAD)

[Haruta] Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club 2-in-1 Bonus Chapter [English] [Digital]

[MM Kan (Mukai Masayoshi)] Reties no Michibiki Vol. 1 [English] [SMDC]

[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]

(C82) [INSERT (Ken)] Dakara Boku wa, Gentei ga Kakere nai. (Dakara Boku wa, H ga Dekinai)

(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" - Turupeta Research Report

(C80) [Ogawaya (Ogawa Renji)] Futanari Onna Kyoushi

[Kazuma Muramasa] Koihame [Digital]

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

Twilight's Research | 暮光学习计划

Omotenashi

[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}

(C76) [Yggdrasil (Miyabikawa Sakura)] "La Boheme" -La Pioggia III- (Strike Witches)

(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report

催眠健康檢查

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Kanade-san, Yobai Shite mo Yoroshii desu ka? | 奏小姐，我可以夜襲嗎？

Attack on Research

Rikka, Gakkou Sabotte Kareshi no Dekachin Oshaburi + Geppu

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

[Tempuru] Albedo & Sucrose's Isekai Observation Research Report

Youkoso! BL Kenkyuu Club | Welcome to the Yaoi Research Club

Research Fellow

COMIC Masyo 2011-03

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

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

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

[Department Y Research Institute] Bōkoku ōjo no matsuro

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

Sex with Senpai in the Infirmary During Class ♥

(C74) [Kurione-sha (YU-RI)] Nami-chan to mou 1kai! (One Piece)

[1bit (yuyu)] Igyou Seibutsu Zukan Michi no Kenkyuu Kikan Hen I | Illustrated Adulteration of Deformed Organisms: Unknown Research Institution, I [English]

Dare Tomo Pea ni Narenakatta node Yasashii Sensei to Sekkusu Jisshu shimashita | 因為在分組時落單了所以我就和溫柔的老師進行了性交實習。

Fellatio Kenkyuubu - Fellatio Research Department

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

[Tsuyuhisa Fumi] UNDEAD | 活死人 Ch. 1-3 [Chinese] [冒险者公会] [Digital]

Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants

Research of Barnaby Brooks Jr.

Midnight Bliss

Dance! Tentacle Research Institute

Zecchou Kenkyuujo 2 | Orgasm Research Facility 2

The Taste of Hands Ch.1-47 (English) (Ongoing)

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

[Kumiko] One Combo Man (League of Legends) [English]

Ijippari Drunker - The Stubborn Drunk

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

[Endless Requiem (yasha)] Boukensha Senyou no Ura Fuuzokuten [Chinese] [星光汉化组] [Digital]

Mahou Tsukai Sakusei Kenkyuu | Witch's Semen Milking Research

先生っ想定外の事態です!

Sonoda-san no Ero Hon

ふたなりオムニバス

(C69) [Quantum Leap, RED spec (Kagurazaka Sakina, ZiZZ)] PETIT JEWEL (Mahou Shoujo Lyrical Nanoha)

Zecchou Kenkyuujo | Orgasm Research Facility

Yankee Yogoshishi Shikaeshi de Mawasare Tsudzuketa Furyou no Matsuro

(C87) [LAMINARIA (Shiokonbu)] Acid Lover (THE IDOLM@STER CINDERELLA GIRLS) [English] {doujin-moe.us}

[Kawai Shun] Dance! Tentacle Research Institute [English]

Aisha Challenge 4

[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]

(C91) [Imperial Chicken (Fujisaka Kuuki)] Shoppi! (Kantai Collection -KanColle-)

Bowsette's Research

[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Amayakashi Soap Tengoku!~

Magical Occult Research Girl Defeated

Movie Research Lovers

Natsuyasumi to Halloween

Insect Research Institute 2

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

[Department Y Research Institute] Gen'ō No Seidorei-Chan De Asobou!

Fellatio Kenkyuubu | Blowjob Research Club

ブルアカばにー達とイチャイチャえっちする本。

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

(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]

[Sada Ko-ji] Onna Sousakan-gari [Chinese]

[Kirintei (Kirin Kakeru, Kouri)] Eien Koi Matsuri [Digital]

[ヲトコモウフラボ] カキュラの捜索ファイル

[Kaiduka] Punyu! Chichi Mania

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

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

[ZAWORLD (Zawawa)] Megami-sama no Omiashi (Love Live!) [Digital]

(Kessoku Rock! 5) [Circus Tent (Yuugasuto)] Makasete, Bocchi-chan! (Bocchi the Rock!) [Chinese] [阿朴个人汉化]

Neko Panic | KITTY PANIC!

#Senden Taichou ni Yatte Hoshii Koto

[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]

JS Kenkyuukai | JS Research Seminar

Under Model de Suru Hokentaiku

(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=

[Zonda] Fellatio Kenkyuubu | Blowjob Research Club [English] [Uncensored] [head empty + RedLantern]

Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come

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

Rin to Ren

Rakuen Onna Kaizoku 5 - Women Pirate in Paradise

COMIC Kairakuten BEAST 2017-01 [Digital]

[STUDIO AWAKE] Nyotai no Himitsu (Mystery of the Female bodies) <Educational Comic:Biology and sex #4>

(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]

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

Nante Tsugou no Yoi Kosei nanda!!

コミックマゾ 6 暗藻ナイト

(C88) [Akuten Soushin (Kokutou Nikke)] Mononobe no Futo Kousoku Shussan Ryoujoku (Touhou Project) [English] [robypoo]

Fellatio Research Department Epilogue

[Kanbotan] Shokushu-zeme Renzoku Kyousei Zecchou ~JK-hen~

COMIC Megastore Alpha 2017-07 [Digital]

(Houraigekisen! Yo-i! 29Senme) [Dam Koubou (Kuroba Dam)] InColle (Kantai Collection -KanColle-)

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

Research Love Make Presentation | Research Lab x Expression

(COMIC1☆8) [FULLMETAL MADNESS (Asahi)] Kaki Genkin (Kantai Collection -KanColle-)