Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
Kyokon Shoujo Nyoudou Challenge!
(C94) [Asatsuki Dou (Youta)] Hontou ni Atta Oshikko Enkou 2
Girls from a Prestigious School Challenged to an Escape Game
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
Shizuku Challenge! Takumin Hitsuji-san no Chichishibori! RX
Akari Challenge
(C86) [Yamakawa Denenhuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [Chinese] [oo君x赤蜘蛛聯合漢化]
[Mitsuhime Moka] Himitsu no Gyaku Toile Training 2 (Oshikko Dechau!! for Digital Vol. 2) [Digital]
Kanade Challenge Zenpen
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei VII | Oshikko Sensei From 3 Years Old - VII [English] [Digital]
[Golden Tube (Ogu)] Oshikko Sensei 2. [English] [Digital]
[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kuchikukan Hen Go (Kantai Collection -KanColle-) [Digital]
[Golden Tube (Ogu)] Oshikko Sensei 5~. [Digital]
[Mitsuhime Moka] Himitsu no Gyaku Toilet Training 2 (Oshikko Dechau!! for Digital Vol. 2) [English] [Digital]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
[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]
Okusama Challenge - Challenge of Wife
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
[Niliu Chahui] Male Swimsuit Challenge [English]
CHALLENGE
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]
(C81) [Golden Tube (Ogu)] Oshikko Sensei 3
Maki Challenge
[Mosaic Book] Naka de Oshikko Shite | Peeing Inside Vagina [English]
Nametake Challenge!
Yui-chan SEX Challenge!!
(Akihabara Chou Doujinsai) [mikkyway (mikky)] Oshikko Gaman Dekiru kana? (Gochuumon wa Usagi desu ka?) [Chinese] [白杨汉化组]
Pancakes Challenge
(C85) [Golden Tube (Ogu)] Oshikko Sensei ZERO Prologue
[Kawai] ETD Challenge.
Oshikkollection Kuchikukan Hen Go
Oshikko Sekkan!
(C89) [Asatsuki Dou (Youta)] GirlPan Oshikko Matome Bon "Ooarai Joshi Seitokai" (Girls und Panzer) [Chinese] [沒有漢化]
(Futaket 14) [Suichuu White (Calpi)] Kyokon Shoujo Nyoudou Challenge! [Chinese] [沒有漢化]
Okei-san no Nukinuki Dosukebe Challenge
(C93) [Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei-VI [Chinese] [沒有漢化]
[Nozarashi (Nozarashi Satoru)] Shizuku to Airi no 1-kagetsu Dousei Challenge!! (THE iDOLM@STER CINDERELLA GIRLS) [Digital]
Dokidoki Mesu Ochi Gohoushi Challenge
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
(COMITIA104) [Yuuseian (Yuusei Iori)] Oshikko Shitaku Nacchatta [English]
(C89) [Aozora Shoujo (Shirane Taito)] Iorin no Oshikko Nomitai (THE iDOLM@STER)
[Kou-chan Kaichou] SanaMina Semen Gero Oshikko Kanchou | SanaMina Semen Vomit Pee Enema (Karakai Jouzu no Takagi-san) [English]
Friends no Oshikko Kansatsuki | FRIENDS的尿尿观察日记
[Besshun-tei (Arisu Kazumi)] Genkai!? Oshikko [English] [Digital]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [奶綠個人漢化]
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
Oshikkollection Kuchikukan Hen Yon
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kai Ni Hen (Kantai Collection -KanColle-) [Digital]
[Ulusan no Kyuukyuubako (Zayaku)] Sharo-chan!! Oshikko Nomasete!! (Gochuumon wa Usagi desu ka?)
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
[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]
(C85) [Golden Tube (Ogu)] Oshikko Sensei ZERO Prologue [Chinese] [沒有漢化]
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)
(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
[Kou-chan Kaichou] NadeRin Dappun Oshikko Kanchou (Yuru Camp)
(C89) [Asatsuki Dou (Youta)] GirlPan Oshikko Matome Bon "Ooarai Joshi Seitokai" (Girls und Panzer)
[Hinemosuan (Hinemosu Notari)] Asuda-san Challenge (Nijiket)
Rika no Oshiri Challenge
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Incomplete]
[Kon-Kit] Kaya-nee Volleyball ni Idomu | Ane☆Volleyball Challenge (Bishoujo Kakumei KIWAME Road 2012-12 Vol. 4) [English] [Malone] [Digital]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various)
Kasen-chan no Jasen Rouraku Challenge
[Golden Tube (Ogu)] Oshikko Sensei 4~. [English] =LWB= [Decensored] [Digital]
Akane-chan Challenge! 2-kaime
[Kyuu (Shooya Akira)] Futtou Challenge 2 rev.2 (Sora no Manimani)
Kanade Challenge Kouhen
Namaiki Kuchikukan Wakarase Challenge
(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [English] [Tigoris Translates]
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
[Hara] Misaki-chan no Lotion Challenge
Challenge Week
[Pyonchi Koubou (Pyonchi)] Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
[Mizu] Kids Challenge [English]
Mordred nipple Challenge | 莫德雷德乳首挑戰
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Digital]
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
Oneesan no Chitsu-nai ni Shiroi Oshikko to Kiiroi Oshikko
Oshikko Limit Conflict Mode
[dotsuco] Nametake Challenge!
Sensee, Oshikko Wasurechaimashita. | Sensei, I forgot to pee.
[Himeshibori (YAMATO)] Sasami ga Oshikko o Gaman Shite Omorashi Suru Hon (Little Busters!) [Digital]
Oshikkollection Kuchikukan Hen Nana
Oshikkollection Kei junyōkan hen Ue
Ane☆Volleyball Challenge
(C80) [Golden Tube (Ogu)] Oshikko Sensei 2. [English] =LWB=
(COMITIA108) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Bokin Shimasenka? | Won't You Help Me with My Pee Fundraiser? [English] {5 a.m.}
i-ll-make-you-understand-challenge
JK Tamamo no Shuugaku Ryokou Oppai Challenge
Saber Oshikko Kansatsu
[Miura Iota] Youkoso, Oshikko Club e (Oshikko Dechau!! for Digital Vol. 1) [English] {Harasho Project} [Digital]
Kyogo ~Kunoichi Water Torture Challenge~
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
#SoniCha Ikuiku Challenge
(C78) [Golden Tube (Ogu)] Oshikko Sensei
Futanari Yagai Oshikko
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
[Golden Tube (Ogu)] Oshikko Sensei [English] [Digital]
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei - IV Zenpen [Decensored] [Digital]
Sex Challengers
Ichinenmae ni kaita Orikyara ga oshikko suru manga
Oshikko Party
Kanoka Challenge_plot 2