Sperm Experiment

[Kusui Aruta] Hajimete nan dakara - First sexual experience

Boku no Otona Shokugyo-taiken | My Adult Work Experience Ch. 6

[Jigoku no Nyanko] Chieri-san wa Makerarenai! 3 Otto Kounin de Dare no Seishi demo Jusei suru Hentai Benki Dai 1-kan | Chieri-san Never Gives Up! 3 Perverted toilet wife who fertilizes anyone's sperm with her husband's approval [Part-1] [English]

(C87) [Condiment wa Hachibunme (Maeshima Ryou)] Happiness experience 2 (HappinessCharge Precure!) [English] {5 a.m.}

(C91) [Gin no Ame (Masayo)] Ooicchi no Ijiwaru Fudeoroshi | Ooicchi's a Meanie, A Man's First Experience (Kantai Collection -KanColle-) [English] [Spiral Hentai]

Yakin Byoutou・San Experiment.2 Complete Ban

[Ooi Hanimaru] Experi [Digital]

[Yukiji Shia] Onedari Seishi - Pleading Sperm | 熱切渴求精液 [Chinese]

(Bokura no Love Live! 33) [Kitaku Jikan (Kitaku)] Rainbow-colored Experience (Love Live! Nijigasaki High School Idol Club) [English]

(C76) [Todd Special (Todd Oyamada)] Sperma (Megami Ibunroku Persona)

[Sawada Daisuke]Seieki Chuudoku Jukujo Tsuma | The hot MILF is addicted to sperm (COMIC Masyo 2023-04) [Digital]

[Aomushi] TS Rinkan Sakusei: Zenpen | Gender Bender Gangbang Sperm Milking part1 (COMIC Unreal 2019-08 Vol. 80) [Chinese] [沒有漢化][Digital]

Jikken o Shiyou. Classmate ni Barenai-you ni Hadaka de Jugyou o Ukeru!? | Let's do an experiment. Can we take lessons naked without our classmates discovering us...?

Summer Experience Story 2

Zetsurin Hishou Spermax Hana Erogaki Majuu no Itazura

(C93) [Spermation (Tukamori Syuuji)] Himitsu 01 "4-gatsu no Owarigoro"

[Oshiro] Dimitrescu Okaa-sama no Sakusei | Dimitrescu-sama's Squeezing Out Your Sperm (Resident Evil) [English] {Doujins.com}

[Special Action Force (Hasebe Mitsuhiro)] EVIL SPERM (SoulCalibur)

[Shiso Ninniku (Kamunika)] Sakuya-san ni Tantan to Sakusei Sareru Manga | A manga where Sakuya-san calmly squeezes your sperm (Touhou Project) [English] [FunnyTL] [Digital]

Gold Experience 3

VS Experimental Subjects

[Michiking] Ane Taiken Shuukan | The Older Sister Experience for a Week [English] [PSYN] [Digital]

Toaru Saten no Experience - Saten's Experience.

Sperm-star Chapter 7

First Experience Ch.1-2 (English) (Ongoing)

[Sakazaki Freddie] Mitsuko-chan no nyuugyuu taiken-ki | Mitsuko's Experience as a Milk Cow (COMIC Shingeki 2013-02) [English] [thetsuuyaku]

[Eromangaman] Shoujo Zecchou Taiken Aijouban - Girl Experience the TOP

Spermatank ~Oborozuki Toshi Comic Shuu~

Adult Experience

SECRET EXPERIMENT

My First Experience Is A Gal #2

[Michiking] Ane Taiken Jogakuryou 1-6 | Older Sister Experience - The Girls' Dormitory [English] [Yuzuru Katsuragi] [Digital]

[Koppamu] Zetsurin Hishou Spermax ~Kirishima Nabiki no Baai~ | 绝伦飞翔斯佩尔马库斯 ~雾岛娜美树篇~ (Seigi no Heroine Kangoku File Vol. 7) [Chinese] [星月汉化] [Digital]

[Amato Huantei] Extra Gold Experience Ufufu m9 (Touhou)

[Michiking] Ane Taiken Jogakuryou Chapters 1-1.5 | Older Sister Experience - The Girls' Dormitory [English] [Yuzuru Katsuragi]

(C54) [studio AQA (FUGO)] Spermulti (To Heart)

[Michiking] Ane Taiken Jogakuryou 1-11 | Older Sister Experience - The Girls' Dormitory [English] [Yuzuru Katsuragi] [Digital]

[Dakkoku jirou] A manga about losing to a sperm extracting slime's paizuri

[Nitta Jun] Natsu Taiken Monogatari 5 -Kouhen- | Summer Experience Stories 5 -Part 2- (Natsu Taiken Monogatari [2002-2007]) [English]

Shokushu Chireiden ~Futanari Remodeling Experiment~

[Mink] [Full Color Seijin Han] Yakin Byoutou・San Experiment.1 Complete Ban [Digital]

[Sanpei Kamirenjaku] Tonari no Sperm-san

[GC-dan (Wakura)] Bewitching Race - For the Taste and Experience of Women

[Sonna no ato no Matsuri janai desuka (Morino.)] 3-nenme no Uwaki Onna Otto no Shinyuu no Kodane o Shiboru | Unfaithful Wife of Three Years - Draining My Husband's Best Friend's Sperm [English] [rubber_user]

Kaku fuzoku taiken repo-fu manga | Fictional Brothel Experience Report Manga

[Okamoto Fujio] Sperma Idol

SMG ga Sex Skin o Kiserarete Sperma Main Tanker

(COMIC1☆7) [GENETRIX (GEN)] sperma card attack!! Eiyashou Mokou Hen SP (Touhou Project) [English]

Akuryo no jutai

Zetsurin Hishou Spermax Niku Goku Shokubutsu no Wana | Peerless Flight Spermax - Trapped by the Meat Plant From Hell

You are My Experimental Dragon | Kimi wa Boku no Jikken Ryu

[Nitta Jun] Natsu Taiken Monogatari | A Summer Experience Story (Doutei Chinkonkan) [English]

Zetsurin Hishou Spermax

(C85) [Pamunosu (Koppamu)] Zetsurin Hishou Spermax

Adult woman who volunteered for a sexualoid remodeling experiment

[Drill Jill] Spermaniax | 白濁淫汁狂熱愛好 [Chinese]

[Spirits of Sperm - 液体の友社 (Shachi - しゃち)] みずほ先生のミルクレッスン (Onegai Teacher)

Mesuinu Taikenki | Bitch Experience Note

[Omorashi Daynursery] Mikogami's diaper experience

Seishun Hatsutaiken | First Experience Of Youth

Persona 3 - Sperma3p

Bradamante Sperm Brothers

[R.C.I (Hazaki)] Uniform sperm [Digital]

Museigen no Sperm World

[Higuma-ya (Nora Higuma)] Toaru Gakkou no Fudeoroshi Jijou | The Circumstances Around a Certain School First Experience [English] [Coffedrug]

Houkago Experience | Experiencia Después de Clases

Dopure - pure girl's experiences | 超純情少女

Sperm-star Chapter 2

Kabane Hanshoku Jikken | Kabane Breeding Experiment

[Ran-ya (Aranmaru)] SECRET EXPERIMENT (Touhou Project) [Chinese] [靴下汉化组] [Digital]

Sperm Creature on Male

(ToHeartSai 2) [LALA STUDIO (Ayase Shinomu)] human experimentation (ToHeart2)

[DavidDong] - "The Divine Damsel of Devastation" VIP experience Edition

Ougon Taiken - Gold Experience

[Rokuroku Bin] Inrei Taiken Ch. 5 ~Iwakutsuki Kyoushitsu de Ananie ni Fukeru Hentai Kyoushi no Hanashi~ | Sexual Paranormal Experience ~The Story About The Teacher Who Masturbates With Anal In A Classroom With a History~ [English] {Doujins.com}

[Michiking] Ane Taiken Jogakuryou 1-5.5 | Older Sister Experience - The Girls' Dormitory [English] [Yuzuru Katsuragi] [Digital]

[Great Canyon (Deep Valley)] Love Sperm Rinko-san the huge-breasted MILF gets NTR’d by an ugly fat Gundam Otaku!! It’s a book where he releases his cock-colony into her soft Jaburo pussy and impregnates her with a Newtype Baby.

[Takahashi Note] Sakusei Carnival - It's Carnival of sucks sperm! | 搾精的嘉年華會 [Chinese]

Kyoushi Taiken | The Teacher Experience

[Ichinose Land] Zako Succubus-chan wa Semen ga Hoshii no! | This Small Fry Succubus-chan Wants Your Sperm! [English] {Doujins.com} [Digital] [Decensored]

Sperma4

[Yasuhara Tsukasa] My first experience was OO [Chinese]

Uniform sperm | 精液运动服

Himitsu 06 "Ima koko de" | Secret 6 - The entanglement of a real brother and sister

Zetsurin Hishou Spermax

[Keito no Mori (Wool)] Tomodachi to Jikken Shite Miru Hon. Kouhen | A book about experimenting with your friend, part 2 [English] {Chin²} [Digital]

[Ebi Fry Teishoku] Seishun Hatsutaiken | First Experience Of Youth (COMIC Anthurium 2022-06) [English] [Sonarin迫] [Digital]

[Pamunosu (Koppamu)] Zetsurin Hishou Spermax ~Niku Tokki Kosuri Tsuke Kaikan Jigoku~ [Digital]

(C79) [Umenonukaduke (Umeran)] Experiment (Neon Genesis Evangelion) [Chinese] [黑条汉化]

(C58) [BLACK DOG (Kuroinu Juu)] GOLD EXPERIENCE (Sailor Moon) [2nd Edition]

Bizarre Personal Experiences - 2 - Time Bandit

Sakuseieki Machine Soushuuhen Vol. 1 | Automatic Sperming Machine Vol. 1

Persona 4 - Sperma 4

(C94) [Spermation (Tukamori Syuuji)] Himitsu 2 & 3 "Zoku 4-gatsu no Owarigoro" "Kuchidomeryou"

Ouen Taiken | Cheer Experience

Alien Experiment

[Takahashi Note] Sakusei Carnival - It's Carnival of sucks sperm! [Digital]

Mitsuko's Experience as a Milk Cow

[RaTe] Ane to Megane to Milk - Sister, glasses and sperm. [English] [TCup]

HeroAca Sennou Midnight VS Sperma

[Nitta Jun] Natsu Taiken Monogatari 2 | Summer Experience Story 2 (Doutei Panic!!) [English] [Digital]

[Chinbotsu] Natsu! Shotaiken | Summer! First Sexual Experience (Nettai Banana Girl) [English] [Risette]

[Cock-a-Doodle-Doo (Morikawa)] Seikyouiku Genchi Jisshuu Seido | Sexual Education Practical Experience Training System [English] [Tremalkinger]

(C72) [Chokudoukan (Hormone Kojirou, Marcy Dog)] SPERMA ANGELS 2 (Comic Party, Moetan)

I opened my chunk and became a woman and feel a painful Mesuiki experience

[Mink] [Full Color Seijin Han] Yakin Byoutou・San Experiment.2 Complete Ban [Digital]

[Manga Jigoku] Natsu No Taiken | Summer Experience [English][Amoskandy]

(COMIC1☆10) [hlz (Sanom)] Museigen no Sperm World (Musaigen no Phantom World)

The Experiment to Completely Destroy Kokoro-chan's expressionless face

(C87) [Kuroi Mikan no Naru Momo no Ki (Koromo)] Shokuheki no Sperm (Shokugeki no Soma) [Chinese] [脸肿汉化组]

(C68) [PHANTOMCROSS (Miyagi Yasutomo)] THE EXPERIENCE OF WALKURE (Valkyrie no Bouken)

(C86) [Condiment wa Hachibunme (Maeshima Ryou)] Happiness experience (Happiness Charge Precure!) [Chinese]

[English] Koshiki Experience (Sachisuke Masumura, another "Cut in half")

[Michiking] Ane Taiken Ganbou | The Desire For The Older Sister Experience (COMIC Anthurium 2017-02) [English] =TLL + CW= [Decensored] [Digital]

[Spermation (Tukamori Syuuji)] Himitsu 01 "4-gatsu no Owarigoro" | Secret 01 - The end of April [English] [Digital]

Spermanager Kiyoko-san 3

[Inoue Makito] Sperma Shining Exercise!! [English][4dawgz + FUKE]

The Older Sister Experience for a Week Ch. 1

[Yamabuki Zarame] Sperm Smell no Amai Wana (COMIC Megastore-H 2012-05)

(C87) [Nobita Graph (Ishigana)] IT WAS A good EXPERiENCE (Aikatsu!)

(C86) [Condiment wa Hachibunme (Maeshima Ryou)] Happiness experience (HappinessCharge Precure!)

Jikken <Da 17> | EXPERIMENT <DA-17>

Shikyuu Seishi Kudasai | Please Give Me Sperm

(C92) [Secret Cure (Kure Shikure)] Sweetest Experiments [Preview+] (THE IDOLM@STER CINDERELLA GIRLS)

I was a bride when I became a woman? First experience with my sister's fiancé 3 [Digital]

Sakusei Carnival - It's Carnival of sucks sperm!

(COMIC1☆7) [GENETRIX (GEN)] sperma card attack!! Eiyashou Mokou Hen SP (Touhou Project)

Shuerin! to no!! Jikken | An! Experiment!! With Shunling

(C93) [SUGAR MAPLE (Yunodon)] Fuya-chan Otameshi Taiken Quest | Fuya-chan's Trial Experience Quest(Fate/Grand Order) [English]

(C94) [SUGAR MAPLE (Yunodon)] Fuya-chan Otameshi Taiken Quest Extra | Fuyu-chan's Trial Experience Quest Extra (Fate Grand Order) [English]

[Shinogiri Zun] Kaiki ♥ Kaikan ♥ Taiken Report | Bizarre and Pleasure Experience Report (Nyotaika Dynamites 5) [English] [desudesu]

Ane Taiken Ganbou | The Desire For The Older Sister Experience =TLL + CW=

Sweetest Experiments

[Sturkey] Dousa Haji Ken | Shy Behavior Experiment (Girls forM Vol. 07) [English] [desudesu]

(C85) [Pamunosu (Koppamu)] Zetsurin Hishou Spermax | Peerless Flight Spermax [English] [Hikari no Kaze]

[Fanatic Fetish (Tsukioka Kirio)] Spermagic

(C82) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Marriage Experience (Sword Art Online)

[Uninigumi (Unini☆Seven)] Sperm Nakadashi Online 2 | Sperm Creampie Online 2 (Sword Art Online) [Digital] [English] [EHCOVE]

[Michiking] Ane Taiken Jogakuryou 1-3 | Older Sister Experience - The Girls' Dormitory [English] [Yuzuru Katsuragi] [Digital]

I was a bride when I became a woman? First experience with my sister's fiancé 3 [Digital]

Sperm donation

[Kesshousui] Hitokui Nezumi no Jintai Jikken | The Human Experiment with Man-Eating Rats [English] [desudesu]

Sperma Eater~

[Soramame-san] Hakoiri Ojou-sama no Hatsutaiken - First Experience of Sheltered Lady (COMIC BAVEL 2023-06) [Chinese] [大鸟可不敢乱转汉化] [Digital]

Rio-chans First Experience

[Uninigumi (Unini☆Seven)] Sperm Nakadashi Online 2 (Sword Art Online) [Digital]

Sperm Nakadashi Online 4 | Sperm Creampie Online 4

Nijiiro Taiken - Nijiiro Experience

(C99) [Espoir no Okashi (Pokoten)] Ichinichi Nyuugyuu Taiken ~Oishii Milk ga Dekiru made~ | 1 Day Dairy Cow Experience ~Till Delicious Milk is Made~ [Digital]

[Ijou Shiniki (Totorina)] experiment [Chinese] [沒有漢化]