(ToHeartSai 2) [LALA STUDIO (Ayase Shinomu)] human experimentation (ToHeart2)
Spermaniax Ch.01
[Sanagi Torajirou] Jikken Shimai | Experiment Sisters (COMIC Megastore Alpha 2014-12) [English] [thetsuuyaku]
Spermaniax Ch.09
[Takenoko Seijin] Dokidoki! Kanbyou Taiken! | An Exciting Nursing Experience! (Going Otome) [English] =LWB=
Does Futanari Girlsperm Ever Run Out 2
(C94) [Umi no Sachi (Suihei Sen)] Onekatsu no Susume | The Big Sister Experience Recommendation [English] [Redlantern]
Sperm-star Ch.05
experiment
Onekatsu no Susume | The Big Sister Experience Recommendation
[Spermation (Tukamori Syuuji)] Himitsu 04 "Yakusoku" [English] [Digital]
(C80) [Karibian (Keraton)] Seirogan Jikken | Burning Lust Pill Experiments (Touhou Project) [English] [Sharpie Translations]
Ouen Taiken | Cheer Experience
(C86) [Condiment wa Hachibunme (Maeshima Ryou)] Happiness experience (HappinessCharge Precure!) [English] {5 a.m.}
[Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch.2 [English]
[Okamoto Fujio] Sperma Idol
Persona 3 - Sperma3p
Sperm donation
Sperm Nakadashi Online 3
[Espoir no Okashi (Pokoten)] 1-nichi Nyuugyuu Taiken ~Oishii Milk ga Dekiru made~ | 1-Day Ranch Experience ~Let's Get Some Delicious Milk!~ [English] [Digital] version B
[Pettan Doujou (PettanP)] Saimin Ochi Kyonyuu Shimai wa Semen ga Daisuki | The Big Breasted Sisters Who've Fallen To Hypnosis Love Sperm [English] {Doujins.com} [Digital]
[Zucchini] Sperma hunter (Comic Unreal 2014-10) [Chinese] [無邪気漢化組]
Spermaniax Ch.05
Yakin Byoutou・San Experiment.2 Complete Ban
Jikken Shimai Experiment Sisters
[Ray-Kbys] Kokoro-chan no Muhyoujou o Zenryoku de Kuzusu Kokoromi | The Experiment to Completely Destroy Kokoro-chan's expressionless face (Touhou Project) [English] [desudesu]
Nijiiro Taiken - Nijiiro Experience
Kyoushi Taiken | The Teacher Experience
Yakin Byoutou・San Experiment.1 Complete Ban
(C70) [G's studio (Kisaragi Gunma)] Experiment 1 (KimiKiss) [English] [Yoroshii]
Kabane Hanshoku Jikken | Kabane Breeding Experiment
[E-Musu Aki] Isekai Eros to Buta Yarou - Boo-Boo Sperm Heaven (COMIC Kairakuten 2020-03) [Chinese] [無邪気漢化組] [Digital]
(C71)[Chokudoukan] SPERMA ANGELS
BRAVE EXPERIENCE
(C79) [GENETRIX (GEN)] sperma card attack!! (Touhou Project)
Zetsurin Hishou Spermax
(SC41) [Todd Special (Todd Oyamada)] Sperma4 (Persona 4) [English]
[Anthology] Kinshinsoukan & SM Taiken 1 -Incest & SM Experience 1-
Greed recurrence Chapter 557 - Gal yonenen rape! The summer when were collected sperm and were violated. Beginning -
[1ROO] Hakudaku Ou - King of Sperm
Ougon Taiken - Gold Experience
Kodane ga Hoshii Hitozuma | A Wife Who Wants Sperm
[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.
[R.C.I (Hazaki)] Uniform sperm | 精液运动服 [Chinese] [黑夜汉化组]
[AB NORMAL (NEW AB)] Aido 20 - Ah! My Sperm (Ah! Megami-sama/Ah! My Goddess)
Sperm-star Chapter 0
(C88) [Spermation (Tamatsuyada)] Henshin!? Sukekomassu!! Soushuuhen 3 "China Bokan" Hen
[Ran-ya (Aranmaru)] SECRET EXPERIMENT (Touhou Project) [Chinese] [靴下汉化组] [Digital]
(C91) [Gin no Ame (Masayo)] Ooicchi no Ijiwaru Fudeoroshi | Ooicchi's a Meanie, A Man's First Experience (Kantai Collection -KanColle-) [English] [Spiral Hentai]
Himitsu 06 "Ima koko de"
[GENETRIX (GEN)] sperma card attack!! Eiyashou Mokou hen EX (Touhou Project)
[Moriya Neko] SPERM SHOWER
(C87) [Nobita Graph (Ishigana)] IT WAS A good EXPERiENCE (Aikatsu!) [English] [Facedesk]
Ane Taiken Jogakuryou 1-5.5 | Older Sister Experience - The Girls' Dormitory
[Zaki Zaraki] Giji Taiken | Indecent Kid Experience [English] {Mistvern}
I opened my chunk and became a woman and feel a painful Mesuiki experience
[Inaba Cozy] Jitsuroku! Taiken Chikan-Densya | Authentic Account! Experience! Molestation Train (Mesuiki!! Nyotaika Yuugi) [English] [desudesu] [Digital]
Parasite Experiment
Mama-Goto 2 - Sperm Donor
[Mikawa Kai] Sei Shokusha | Sperm Eater [English] {SaHa}
(C94) [50on! (Aiue Oka)] Saimin Seishidou 4 Ninshin Taiken Shidou (Shi) | Hypnosis Sex Guidance 4 - Pregnancy Guidance Experience [English] {Doujins.com}
(C89) [HAMMER_HEAD (Makabe Gorou)] Graf Zeppelin no Wakuwaku ❤ Nihon Bunka Taiken - Nihontou Hen | Graf Zeppelin's Exciting ❤ Japanese Culture Experience - Japanese Sword Arc (Kantai Collection -KanColle-) [English] [Rozett]
[Michiking] Ane Taiken Shuukan | The Older Sister Experience for a Week Ch. 1 (COMIC Grape Vol. 16) [English] [PSYN] [Digital]
(C99) [Espoir no Okashi (Pokoten)] Ichinichi Nyuugyuu Taiken ~Oishii Milk ga Dekiru made~ | 1 Day Dairy Cow Experience ~Till Delicious Milk is Made~ [Digital]
Hatsutaiken, Jeanne | Jeannes First Sexual Experience
[Michiking] Ane Taiken Jogakuryou 1-5 | Older Sister Experience - The Girls' Dormitory [English] [Yuzuru Katsuragi] [Digital]
Tsukuridase! Saikou no Okusuri! Daijikken | Create it! The Best Medicine! The Great Experiment
[TANABE] Ougon Taiken! - Gold Experience + Motto Ougon Taiken! (Chichi Zakari) [English] [jhenier13]
Ougon Taiken 2 - Gold Experience 2
[R.C.I (Hazaki)] Uniform sperm [Digital]
(C79) [Umenonukaduke (Umeran)] Experiment (Neon Genesis Evangelion) [Chinese] [黑条汉化]
Sperm Creature on Male
[R.C.I (Hazaki)] Uniform sperm [English] [Hatariki Bachi] [Decensored] [Digital]
Okane no Kawari ni Shasei de Oshiharai Dekiru Jidai | A Time When You Can Pay With Your Sperm
The Older Sister Experience for a Week
(C85) [Pamunosu (Koppamu)] Zetsurin Hishou Spermax | Peerless Flight Spermax [English] [Hikari no Kaze]
[Tenpura Kobo] Watashi no Nude Model Taiken! | My Nude Modeling Experience! [English] [SaHa]
(C87) [Nobita Graph (Ishigana)] IT WAS A good EXPERiENCE (Aikatsu!)
Energy Kyo-ka Soushuuhen ”Gaisen Fukki Hen”
(HaruCC21) [Yumemigachi Realism (Yukishige)] Seiso-kei Ikemen Danshi Yuutousei ga Shotaiken de Hatsuatari-dashi! Hatsu Shiofuki & Hatsu Mesu Zecchou | A Handsome Honors Student's First Experience is a Cumshot! (JoJo’s Bizarre Adventure) [English]
(CT27) [Kashiwa-ya (Hiyo Hiyo)] Sperm Charge Precure! (HappinessCharge Precure!)
[Michiking] Ane Taiken Shuukan | The Older Sister Experience for a Week [English] [PSYN] [Digital]
Adult Experience
(C85) [Pamunosu (Koppamu)] Zetsurin Hishou Spermax
(C54) [studio AQA (FUGO)] Spermulti (To Heart)
Hitokui Nezumi no Jintai Jikken | The Human Experiment with Man-Eating Rats
[Spirits of Sperm - 液体の友社 (Shachi - しゃち)] 白濁・粘濁・濃濁 [Lolicon]
Tonari no Sperma-san
Mika ni Houdan o tulta Shite Morau dake no Hon | A Book That Only Let's You Experience Mika's Shells
A Classroom With Bursting Busties Under Experimental Violation
Kabane Hanshoku Jikken | Experimento de reproducción Kabane
(C87) [Kuroi Mikan no Naru Momo no Ki (Koromo)] Shokugeki no Sperm (Shokugeki no Soma) [English] [rookie84]
[Oda non] Yukemuri Shotaiken | Steamy First Experience (COMIC HOTMiLK 2008-10) [English] [q91]
I was a bride when I became a woman? First experience with my sister's fiancé 3 [Digital]
Seishokusha - Person Who Eats Energy | Sperm Eater
[GOLD DUST (Tange Suzuki)] Ougon Taiken 2 - Gold Experience 2 [Chinese] [臭鼬娘漢化組]
Ooicchi no Ijiwaru Fudeoroshi | Ooicchi's a Meanie, A Man's First Experience
I was a bride when I became a woman? First experience with my sister's fiancé 2
[Kusui Aruta] Hajimete nan dakara - First sexual experience [Chinese]
Experiment
Boinzuma3 - Grand Sperm Academy
[Tomono Hiro] Nama de Naka o Ippai ni Shite. - Please! Fill vagina with sperm. [Digital]
[Ebi Fry Teishoku] Seishun Hatsutaiken | First Experience Of Youth (COMIC Anthurium 2022-06) [English] [Sonarin迫] [Digital]
[ura_macoto] Hakase's Salon (4P Amateur SM Experience) [English]
Melt cockvore(+spermvore)manga
(Aka no Hiroba 12) [komorikiri. (Urin)] Orin To Okuu no Seikan Oil Massage Taikenki | A Story about Orin and Okuu's Sensual Oil Massage Experience (Touhou Project) [English] [FoF]