Masturbation Challenge

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]

Onii-chan swallowing challenge！

[E-Musu Aki] Kimochi Ii Musume [Chinese] [無邪気漢化組]

Challenge Days

[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)

Maru no Hodokoshi | La Caridad de Maru

Maki Nico Lez Challenge

[♀Seraphita♂] [Otokonoko] Boku wa Mada Boku no Koto o Nanimo Shiranai

(Warabe Jitsuno Koukou Bunka Matsuri Duel Carnival) [Michu★Honey (Hikari.)] Kattobingu wa Challenge tte Kotoda ze! (Yu-Gi-Oh! Zexal)

Nyotengu-san ga Onanie Suru Hon | A Book of Nyotengu Masturbating =SW=

(Souryuu) kou iu no ga ii no (ongoing)

Dorei wo Choukyoushite Harem Tsukuru R18 Route 13.5-23.5

[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]

Onani Ippanka Shakai 2 | Pro-Masturbation Society 2

Ishtar no Houkei Chinpo Mukimuki Challenge Jipponshoubu+Gojitudan

Futa Ona Daigoshou | A Certain Futanari Girl's Masturbation Diary Ch. 5

[Alde Hyde] Dorei wo Choukyoushite Harem Tsukuru R18 Route - Training Slaves to make a Harem 18+ Chapters 12.5-31.5 [English]

UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지

[Kai Hiroyuki] Yokubou Mansai

Masters of Masturbation Episode 3 - You Can Have Me

Futa Ona Dai San Shou | A Certain Futanari Girl's Masturbation Diary Ch.3: FutaOna 3

[Mizuarai no kai] Onaneta Kaa-san 2 ~Otto no Yoko de~ | Masturbating to Mom ~Beside Her Husband~ [English] [Kyuulab]

COMIC Mugen Tensei 2018-10 [Digital]

Rika no Oshiri Challenge

[Tera Stellar (mei)] Jii Fukushuu vol. 2 - revenge masturbation

FutaOna Tanpenshuu | A Certain Futanari Girl's Masturbation Diary Shorts Collection

[Semakute Kurai (Kyouan)] Book about narrow and Dark Sexual Inclinations Vol.4 (THE iDOLM@STER: Shiny Colors) [English][A Lambda Guy]

Yoru, Kouen, Roshutsu Jii. | Night, Park, Public Masturbation

Dorei wo Choukyoushite Harem Tsukuru R18 Route 12.5-29.5

[KAREHANEKO (Himitaka)] Extend Hiryuu Challenge (Strider Hiryuu) [Digital]

催眠天国 Challenge 03

(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)

(Futaket 11.5) [Doronuma Kyoudai (RED-RUM)] Futa Ona Dai-Yon-Shou | A Certain Futanari Girl's Masturbation Diary 4 [English] [Sn0wCrack]

Naisho no Enkou Challenge | 不可告人的援交挑战

Ecchi Sketch Ro Ona Uchi. | The Lewd Girl Who Masturbates In Public

(SC2015 Summer) [Tsurutsuru Pain (Pikeru)] Fuechupa Shoujo (Fate/kaleid liner Prisma Illya)

[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)

Jii Fukushuu vol. 2 - revenge masturbation

[Niliu Chahui (Sela)] 少女与国王的茶会 [Chinese]

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

Masters of Masturbation Episode 1 - Time to Myself

[Yonemochi Akihiko] adult challenge 1

Futa Ona Daisanshou | A Certain Futanari Girl's Masturbation Diary Ch. 1-5

[Ozaki Akira] Hitoduma Inran Sousenkyo [English] [erc] [Digital]

Barenai You Ni Nii De Onanii Suru Imouto-Chan | A Little Sister Who Tries to Be Sneaky About Using Her Big Brother to Masturbate

(SPARK8) [Torikara (Suzukino Masiro)] Ore ni Yasashiku ~Hitorine no Koukuu Sanbou wa Sabishikute Tsui xx Shichau no~ (Transformers: Prime)

Onanie Chuudoku InCha Onna no Kaihatsu Shippai Taikendan | The Exploitation of a Loner Girl Addicted to Masturbating

Alice Masturbation

Eruru no Dokidoki Dildo Onanie | Eruru's Exciting Dildo Masturbation Session

(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki

[Orikuchi] before "wanted" (COMIC JSCK Vol. 1) [Chinese]

[Shinozaki Rei] Blue Heaven [English] [=LWB=, mysterymeat3]

Semen Storage Challenge

[Nagiyamasugi (Nagiyama)] Touhou Kyonyuu Gari 2 (Touhou Project) [English] [robypoo] [Digital]

#SoniCha Ikuiku Challenge

(Reitaisai 19) [Oxydan (Oxy)] Alice Masturbation (Touhou Project)

(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]

Kaeru desuga, nanika? 2

[Niliu Chahui (Sela)] 少女与国王的茶会 [Chinese]

[Nikuyoku Boutarou] JiiChuu! Ni ~Jii Chuudoku Shoujo~ | Jiichu! 2 Girl Masturbation Addiction [English] [Jojo]

Doki doki♡ Ticket Challenge!

Akane Challenge!? 2

[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]

Futanari Milk Challenge 3 | 扶她榨乳挑战 3

[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]

Kashikoi Onanii | Smart Masturbation

(C71) [Okina Flying Factory (OKINA)] LILICO KUMIKYOKU

[inari mochi] Swimsuit Challenge

(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]

Makabe no Oshiri Challenge

[Kuma QM] Onanie Daisuki Miria-chan - Miria loves to masturbate... (THE IDOLM@STER CINDERELLA GIRLS)

[Katsura Airi] Karami Zakari vol. 1 [Chinese] [朔夜汉化组]

JK Tamamo no Shuugaku Ryokou Oppai Challenge

Futa Ona Daigoshou | A Certain Futanari Girl's Masturbation Diary Ch.5 - FutaOna 5

Futa Ona Dai San Shou Kouhe | A Certain Futanari Girl's Masturbation Diary Ch. 3.5

Jii Fukushuu 1 | Revenge Masturbation Vol. 1

Otona Challenge!!

Boku no Harem Academia: 4-wa "Koakuma no Itazura" | My Harem Academia 4: Mischiefs of a Little Devil

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]

Maru no Hodokoshi | 마루의 베풂

Kyoudai Choukyou Jikken-tai | Brother & Sister Training Experiment

(SC2015 Summer) [Tsurutsuru Pain (Pikeru)] Fuechupa Shoujo (Fate/kaleid liner Prisma Illya)

(C77) [sen.exe (Sennohito.)] aili book (Queen's Blade)

[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)

Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章

[Katou Jun] Avatar Trance!

[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]

(C93) [Hatakewotagayasudake (Mikanuji)] Suki na Ko to wa Ecchi ga Shitai | 喜歡的人在身邊就想做色色的事情 (Granblue Fantasy) [Chinese] [EZR個人漢化]

COMIC LO 2017-09 [Digital]

COMIC HANA-MAN 2018-12 [Digital]

[Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [Digital]

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}

Misaki-chan no Lotion Challenge

[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]

(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]

Tanpan Kozou no Oppai Gym Challenge!

[Adachi Takumi] Queen's Game Onna no Honshou Abaku Genkai Shuuchi Game [Digital]

Matsuno Osomatsu no Sex Challenge

[Nikuyoku Boutarou] JiiChuu! ~Jii Chuudoku Shoujo~ | Jiichu! Girl Masturbation Addiction [English] [Jojo]

Kagi Catch Challenge 2

(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)

[Nanase Makoto] Bishoujo Kouryaku Ura Manual - Black Manual Of Capture The Beautiful Girls

[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]

Hana Challenge!

Aiiro Fetishism

Josou OL Tadaima Onanie Zangyouchuu | Cross-Dressing Office Worker Is On Masturbation Overtime

Oba no Uwa Kitsu Cosplay Onanie o Mokugeki Shita Ken | That Time I Saw My Aunt Masturbating in a Cosplay She’s Too Old For

(Youkai Parade) [Echiko (Mokichi)] Youkai Sand (Youkai Watch)

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order)

CHALLENGE

Sakusei Toshi Elosion - Sex Paradise City Elosion