Maki Nico Lez Challenge
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
[fu-ta] Binkan sweet
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
Kodomo de Challenge 2
[dotsuco] Nametake Challenge!
(Koakuma ni Love Song o) [Kokatsubatake (Amekosame)] LoveDomi! (1) ~Love Domination~ (Touhou Project)
Kasen-chan no Jasen Rouraku Challenge
[Bai Asuka] Mikami-kun no Kinshin Jijou | Mikami-kun’s Incestuous Situation Ch. 1-5 [English] [N04H]
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
[E-Musu Aki] Kimochi Ii Musume [Chinese] [無邪気漢化組]
Futa Ona Daisanshou Kouhen | A Certain Futanari Girl's Masturbation Diary Ch. 3.5
(COMIC1☆8) [Berry!16 (Saki Chisuzu)] Inran Uzuki to Junjou Yayoi no Teitoku Jijou (Kantai Collection -KanColle-) [Chinese] [無邪気漢化組]
Hajimete no Inpio Challenge
Yousei-san no?! Himitsu no Bouken no Tobira Preview ver
COMIC HANA-MAN 2018-12 [Digital]
(C87) [Atyumi Teikoku (Atyumi Annin)] Uchi no Nii-san (Eromanga Sensei)
(C94) [SHIOHAMA (kylin)] Onanie Chuudoku Arisu-chan (Girls und Panzer)
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画
[OKAWARI] Otona ni naru Kusuri - I feel good my woman's body! Ch.1-4 [English] [Decensored]
[Fleur 9 pri (Kitahara Eiji)] Futanari Ryoubo-san to Mesuiki Josou Danshi [Digital]
[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]
[Gakuen Ketsumeichou (Oriue Wato)] Yuuki to Konjou to... (Azur Lane) [Digital]
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
Reiwa Shasei Challenge
[Nexus Koubou (Arumamai Ayuka+)] Namaiki Seitokaichou o Karada de Wakaraseta no de Mite Kudasai
Seieki Tamekomi Challenge
Toka 1 hour drawing challenge
(Souryuu) kou iu no ga ii no (ongoing)
(Puniket 11) [Kanmidokoro USB (Furiri)] Hornisse (Ojamajo Doremi)
The Thin Line Between Masturbation and Doing It
(C92) [senarinko (Sena Rinko)] Remzukushi (Re:Zero kara Hajimeru Isekai Seikatsu)
[TSF Mousou Chikusekijo (Minaduki Nanana, Kouji)] Yuutai no Mahoujin ~Anoko ni Hyoui Shite Kanojo to XXX~ [Chinese]
(C42) [Studio Curry House Chandra (Kosuge Yuutarou)] AGGRESSIVE Vol. 2 (Mahou Tsukai Sally)
(C94) [An-Arc (Hamo)] Okkii no Kikenbi Nama Housou (Fate/Grand Order) [Chinese] [空気系☆漢化]
Ore to Tamamo to Homeroom
[Hatch] Takanshou | Excessive Meddling Ch. 1-2 [English] [ATF] [Digital]
[withsoda (Kitaichi Naco)] Nagai Natsuyasumi [English] {TheRobotsGhost} [Digital]
CHALLENGE
NicoEri Onadou | NicoEli's Path of Masturbation
Producer ni Yarareteru to omotte Onanie
Futanari Milk Challenge 6
(C92) [Syouryu Yasui-Kai (Hoshino Ryuichi)] Hitozuma Kanrinin Kyouko 5 Kanochi Hen (Maison Ikkoku)
(Misora-machi Seijin no Tsudoi) [Gorotaishi (Various)] Ore no Yome (Ojamajo Doremi)
(Yakumo Safari Park 4) [Rakka Sokudo 2.5 (Pira)] Yappari Neko nano. 2 (Touhou Project) [English] [ATF]
A book where chubby futanari just masturbates
[Sa-Ki] Honoka Challenge! (Love Live!)
(C84) [TRIP SPIDER (niwacho)] cado2 (Fate/stay night)
FutaOna Tanpenshuu | A Certain Futanari Girl's Masturbation Diary Shorts Collection
(C94) [PoyoPoyoSky (Saeki Sola)] Onii-chan wa Onapet | Onii-chan is my masturbation inspiration [English]
Ero Trap Dungeon no Challenger
COMIC Mate Legend Vol. 15 2017-06 [Digital]
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
Otou-san Challenge
[Anthology] Ikisugi-kei Bishoujo no Onanie Life - Every day Masturbation Vol. 2 [Digital]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章[风俗店篇] [Chinese] [鬼迷日眼的莱科少校个人川话化]
(COMITIA125) [Nanakusa Kago (Koharu Nanakusa)] Muchipocha Onee-san to Onanieppoi Sex
i-ll-make-you-understand-challenge
Kenshin Nadeshiko
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
(Souryuu) kou iu no ga ii no [English] (Ongoing)
Futa Ona Daigoshou | A Certain Futanari Girl's Masturbation Diary Ch.5 - FutaOna 5
Kanade Challenge Kouhen
[Mushimusume Aikoukai (ASTROGUY2)] Onanie Daisuki Itsumi-san | Itsumi-san Loves To Masturbate (Girls und Panzer) [English] [Doujins.com] [2016-03-31]
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project) [Digital]
(C90) [Purin Kai Yoghurt (Chiri)] CxMxK NOTE VIII [Chinese] [靴下汉化组]
(Kouroumu 12) [Happunzaki (Toyosaki Shu)] Murasakiiro no Yokkyuufuman (Touhou Project) [Chinese] [靴下漢化組]
[Royal Bitch (haruhisky)] JK Gal ni Tensei Shita node Pakkopako [English] [Digital]
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
[Gerupin, Knockout (Minazuki Juuzou, USSO)] SONICO THE GAPE HOLE (Super Sonico) [English] {doujin-moe.us} [Colorized] [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
(Futaket 9) [Doronuma Kyoudai (RED-RUM)] Futa Ona Daisanshou | A Certain Futanari Girl's Masturbation Diary Ch. 3 [English] [YQII]
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Grand Order)[三色的大猩猩翻譯同盟]
(C58) [Mystic Chord (Gyro Amarume)] HY SPY (Cardcaptor Sakura)
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]
Maru no Hodokoshi | La Caridad de Maru
Futa Ona Dai-Yon-Shou | A Certain Futanari Girl's Masturbation Diary 4
[Hardboiled Yoshiko] Himegoto Sex [Digital]