(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
(C96) Dairoku! Otoile Challenge
[Mikan Kougyou] Hahaoya ga Musuko no Oshikko o Nomihosu Manga [English]
(C89) [Golden Tube (Ogu)] Oshikko Sensei 6 (SAMPLE)
[Seneto] Oshikkonaka no Ikazuchi ni Itazurashitemita (Kantai Collection -KanColle-)
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]
[Kohri Ms] Suzuya ni Oshikko Misete Hoshii! (Kantai Collection -KanColle-) [English]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kuchikukan Hen Ni (Kantai Collection -KanColle-) [Digital]
Chotto Oshikko Suru Nante Kiitenain dakedo!
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
DT Chinpo 100-pon Acme Challenge!!
(Akihabara Chou Doujinsai) [mikkyway (mikky)] Oshikko Gaman Dekiru kana? (Gochuumon wa Usagi desu ka?) [Chinese] [白杨汉化组]
Boku-tachi no Oshikko na Himitsu
[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
Akane Challenge!? 2
(C94) [Golden Tube (Ogu)] Oshikko Sensei 7~.[Chinese] [沒有漢化]
(C80) [Golden Tube (Ogu)] Oshikko Sensei 2 [Chinese] [沒有漢化]
Sharo-chan!! Oshikko Nomasete!!
[Takashiro Go-ya] Oshikko de Tsunagatte (BUSTER COMIC 2009-07 Vol. 12) [English] {yalmetc}
[Tarakan] Oshikko wa Nomimono desu! -Pee is a Drink!
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
Tanpan Kozou no Oppai Gym Challenge!
Doki Doki ❤ Ticket Challenge!
Kanade Challenge Kouhen
Futanari Milk Challenge 2
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Otou-san Challenge
[Takashiro Go-ya] Watashi no Oshikko Fubunritsu
(Futaba Gakuensai 9) [1000AP (Various)] Kodomo de Challenge 5
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] [LoliLab Translations]
[Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Kouhen [Chinese] [沒有漢化] [Digital]
(C84) [Golden Tube (Ogu)] Oshikko Sensei 5
I Challenge You!
(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)
Oshikko ga Kimochiyo Sugite Sora o Tobu Koto ni Seikou Shita Oshikko Honoka-chan
[Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen | Oshikko Sensei From 3 Years Old - IV - Part One [English] [Decensored] [Digital]
(C90) [Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen [Chinese] [沒有漢化]
Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei VIII [Decensored] [Digital]
[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]
Oshikkollection Kuubo Hen Ge
(C81) [Golden Tube (Ogu)] Oshikko Sensei 3 [Chinese] [沒有漢化]
3-sai kara no Oshikko Sensei VIII
Jisatsu Challenge | 自殺挑戰
Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon
(COMITIA113) ["Tsu" ga Mittsu. (Tsuttsu)] Oshikko Training! [Chinese] [无毒汉化组]
Misaki-chan no Lotion Challenge
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
Saimin Tengoku Challenge 05
Oshikko Hyakkei 4
[Kurokoshi You] Challenge Week (COMIC Megastore 2010-07) [English] {doujin-moe.us}
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Hitori Challenge Rakugaki
(C80) [Golden Tube (Ogu)] Oshikko Sensei 2. [English] =LWB=
[Mitsuhime Moka] Himitsu no Gyaku Toile Training 2 (Oshikko Dechau!! for Digital Vol. 2) [Digital]
oshikko no tokoro de shitaino!
(C84) [Golden Tube (Ogu)] Oshikko Sensei 5 [Chinese] [沒有漢化]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Kuchikukan Hen Nana (Kantai Collection -KanColle-) [Digital]
Ichinenmae ni kaita Orikyara ga oshikko suru manga
Sensee, Oshikko Wasurechaimashita. | Sensei, I forgot to pee.
3-sai kara no Oshikko Sensei VIII | Oshikko Sensei From 3 Years Old VIII
[Takashiro Go-ya] Watashi no Oshikko Fubunritsu [Chinese] [篆儀通文書坊漢化]
(C88) [Circle Ohigetan (Ohigetan)] Ohigebon-64 Chinritsu!! Mucchiri Kyonyuu Gakuen C-Cup - AM 7:35 Sotogawa kara wa Toumei ni Natte Iru Joshi Toile. Seichouki no Onnanoko ga Oppai ya Hibu o Marudashi ni Shite Oshikko Suru no o Kanshou Shihoudai.
(COMITIA104) [Yuuseian (Yuusei Iori)] Oshikko Shitaku Nacchatta [English]
[LUNATIC PROPHET (Arimura Yuu)] Oshikkollection Sensuikan hen (Kantai Collection -KanColle-) [Digital]
[Youta] Koisuru Oshikko [Digital]
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
SanaMina Semen Gero Oshikko Kanchou
Oshikko Sekkan!
[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]
[Mizu] Kids Challenge
(C94) [Asatsuki Dou (Youta)] Hontou ni Atta Oshikko Enkou 2
Oshikko Shitaku Nacchatta
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [Digital]
(C90) [Golden Tube (Ogu)] 3-sai Kara no Oshikko Sensei -IV Zenpen
(C86) [Kansen Shoujo (Noto Kurumi)] Ryuu Ichaicha Tokidoki Oshikko (Kantai Collection -KanColle-)
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
[Golden Tube (Ogu)] 3-sai kara no Oshikko Sensei VII | Oshikko Sensei From 3 Years Old - VII [English] [Digital]
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge