[Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [Digital]
[zen9] Okusama Challenge - Challenge of Wife
(C63) [Studio Retake (Ayanokouji Haruka, Kobayashi Masakazu, Takimoto Satoru)] The cross of a rouge (Kiddy Grade)
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
(C63) [Hotel California (Natsuno Suika)] Red Rouge (Kiddy Grade) [Digital]
Kanako Challenge
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
[Torimogura] Osananajimi-chan Ikase Challenge
Kyokon Shoujo Nyoudou Challenge!
[Matsui Brel] Futanari Oukiddo × Popukaru
Otona Challenge!!
(CR33) [IRODORI (Maruto!, Shirotsumekusa, SOYOSOYO)] HAKANAI (Kiddy Grade)
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
Pancakes Challenge
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
TS-kko Otokoyu Challenge!
Harakudashi Challenge 2
(C94) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 4 | [番外篇]——快感觉醒!便器化的先辈! [Chinese] [鬼迷日眼的莱科少校个人川话化]
[Neko to Hato (Hatoya)] Que sera sera (Kiddy Grade) [English]
RURIMIX SP4
Dairoku! Otoile Challenge
[Kashiwa-ya (Hiyo Hiyo)] Kiddy Grade ABH (Kiddy Grade)
[Minion] Chitchana Sankaku Kankei | Kiddy Triangle [English]
(C78) [SOLEX (TOKU, Sanomako, Lamb)] RURIMIX SP11 (Martian Successor Nadesico)
[Mizu] Kids Challenge
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [English] [TF translations]
(C85) [Wasuraruru Tegami (Binsen)] Elf Shimai no Chousen | The Elf Sisters' Challenge [English] [Mistvern]
Space Detective Jade Dan Indecent Challenge
Futanari Milk Challenge 4 | 扶她榨乳挑战 4
[dotsuco] Nametake Challenge!
[Nishina Satomi] Kyokan-kun to Kogara-chan Shinchousa 43-centi de SEX Challenge - Giant and a small lady.
Sennou Fuchou no Obenjo Challenge Isshuukan!
ARE YOU FxCKING KIDDING ME!?
(CR33) [Shioya (Shioya Maico)] SHIO! Vol.17 (Kiddy Grade)
Hana Challenge!
(CR33) [Rabbit Company (Kotogi Raura)] STALE WORLD 20-0.5 Secret Time' (Kiddy Grade)
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
Kanoka Challenge_plot 2
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Extra)[三色的大猩猩翻譯同盟]
Angel's stroke 140 Yui-chan Challenge!! 3
Dairoku! Otoile Challenge 2
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
Yui-chan SEX Challenge!!
[Rippadou (Various) ] Eranyuu Tengoku Busty Heaven 2 (Various) [Digital]
Challenge Days
(C63) [aya, Chibikko Kaizoudan (Tomohisa Yutaka)] amethyst ~ Lumi-chan side (Kiddy Grade) [English] [EHCOVE]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
(C63) [Tsurikichi Doumei (Various)] Non Dema-R Tankahen (Various)
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen [Chinese] [Lolipoi汉化组]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)
Teisou Ring Challenge
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
Nanjamo to Ura Gym Challenge!! | Iono's Secret Challenge!!
Flan-chan no Saimin Nikubenki Challenge
(Rainbow Flavor 18) [Risoukyou (Rikiddo, Nishi Tagame)] Yami Cure Dream Stars ~Zengi no Tomodachi~ (Fresh PreCure!) [English] [Doujins.com]
Kiddy Grade Dual/Doll
(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)
(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge
Sanae Challenge!!
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
Manatsu no Drink Challenge
[Chuushin Kuranosuke] Like A Kidding!
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
(CR33) [Workstation R (Rakkyo)] Kiddy Grade de Haa Haa Shichau Hon (Kiddy Grade)
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
Etorofu-gata Muchikko Kodomo Challenge
[Kawai] ETD Challenge.
Ane☆Volleyball Challenge
Moefuta
Maki Challenge
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]
[laliberte] CHALLENGE [Chinese] [流木个人汉化]
(Zennin Shuuketsu 9) [Chikuwa to Kyuuri (Sakuraba Chizuru)] Otou-san Challenge (Naruto)
[d.a.p] UnknownUnlockChallenge
[Mariana Kaikou Kikaku (Mikami Hokuto)] Shimakaze-kun Challenge Shite Itara, Mogami-kun ni Encount Shita Ken. (Kantai Collection -KanColle-) [Digital]
Doki Doki ❤ Ticket Challenge! | 心跳不已的搶票大挑戰!
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [English] {Hennojin} [Digital]
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
Petite Jolyne Lewd Challenge + Extras
Toka 1 hour drawing challenge
SKB Challenge
Saimin Tengoku Challenge 04
Captain Saimin Icha Love Challenge
Tickle Massage Chair Mini - Million Yen Challenge
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital] [Chinese] [这很恶堕汉化组]
Kasen-chan no Jasen Rouraku Challenge
Zetsurin Challenge
At first glance, it looks like a man swimsuit challenge + Textless + Bonus
Challenge Week
[Yoriu Mushi] Kokuu Kara no Chousen - Challenger from the Sky
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
Kodomo de Challenge 2
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}
(CR33) [IRODORI (Maruto!, Shirotsumekusa, SOYOSOYO)] HAKANAI (Kiddy Grade) +Omake [English]
Futanari Milk Challenge 3
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
Dokidoki Mesu Ochi Gohoushi Challenge | 心跳心跳雌堕侍奉挑战
[Toufu Insider] Saimin Appli Challenge!!
[Ponpharse] Ponpharse - Tokubetsu Hen | Ponfaz's Special [English] [desudesu]
(C63) [STORM (Saiki Yoshikazu)] Ai to Kanashimi no Kin○Buster (Kiddy Grade)
[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]
[Hitsumabushi] Double Up Challenge! [English]
(C46) [Uraryon Kikaku (Araizumi Rui)] Ran Ran Ran 1 (Ranma 1/2)
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
(C63) [aya, Chibikko Kaizoudan (Tomohisa Yutaka)] apricot agate ~ Eku-chan side (Kiddy Grade) [English] [-HS-]
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura)
(CR33) [Precious HEART (Yamasaki Atsushi)] No way you can stop me. (Kiddy Grade) [English]
Yuusha no Sairokubon Challenge
(CR33) [Kohakutei (Sakai Hamachi)] Tipsy Rouge (Kiddy Grade)
[Gojarun no Ozashiki (Gojarun)] Nantaika Triad to Yukai na Nakama-tachi Ochinchin Challenge Hon (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Gosaiji] Captain Saimin Icha Love Challenge (2D Comic Magazine Saimin Kyousei Wakan Ijirare Heroine Mesukoi Acme! Vol. 1) [Chinese] [村长个人汉化] [Digital]
Nametake Challenge!
To wa yoku ifu monode
Pancakes Challenge | Desafío de Panqueques
[Kokusan JK (Velzhe)] Kagi Catch Challenge 2
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]
(C63) [MACV-SOG (MAC-V)] PORNOGRAPHY 12 (Gravion, Kiddy Grade)
Happy Aphrodisiac Challenge