[Kokusan JK (Velzhe)] Kagi Catch Challenge 2
Monthly Vitaman 2013-06
Monthly Vitaman 2018-02 [Digital]
Monthly Vitaman 2007-06
(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]
Taiwan Comic Monthly
1-kagetsukan no Paradise | A Month of Paradise
Chaldea Outdoor Challenge Abby-chan to Issho
Monthly MelomELO Feb.25,2013
[MelonBooks] Monthly MelomELO Mar.2014
Utsuho Challenge!! ~Yobai ni Chousen~
Etorofu-gata Muchikko Kodomo Challenge
Monthly Vitaman 2017-11 [Digital]
[Karma Tatsurou] Saraware (Monthly Vitaman 2012-08) [Chinese]
Backstage Hibiki Challenge
Prinz Eugen Otokoyu Sennyuu Challenge
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
Monthly Vitaman 2017-01
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]
Maki Nico Lez Challenge
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
Ane☆Volleyball Challenge
adult challenge 1
Seieki Tamekomi Challenge
(C56) [M² Company (CJ Michalski, Souya Himawari)] Hachimitsu MONTH (Detective Conan)
[DIN] Seieki Tamekomi Challenge | Semen Storage Challenge [English]
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
Monthly Vitaman 2013-08
Super Libido Challenge
(C92) [K+W (Sasachinn)] Hatsuzuki to Muremure Muramura Natsu Ecchi! | Having Stuffy Sex On The First Month Of Summer! (Kantai Collection -KanColle-) [English] [Doujins.com]
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
Hina Iinchou Amae Heta Kokufuku Challenge | 日奈委員長的撒嬌困難克服挑戰
[Fanbox] Kanzarin [Hentai of the month] (4012732)
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
(Zennin Shuuketsu 9) [Chikuwa to Kyuuri (Sakuraba Chizuru)] Otou-san Challenge (Naruto)
Kanoka Challenge_plot 2
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)
(C83) [Super Sentou, The Shakya (Fukutarou, Oke)] Gekkan Otona no RitsuMio Zoukangou | Monthly RitsuMio for Adults - Special Edition (K-On!) [English] [Yuri-ism]
Kasen-chan no Jasen Rouraku Challenge
Monthly Vitaman 2013-04
Monthly Vitaman 2018-06
Kanade Challenge Zenpen
Yuusha no Sairokubon Challenge
Monthly Vitaman 2010-01
Monthly Shounen Zoom 2024-03
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
Monthly Shounen Zoom 2024-05
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 23 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]
Monthly Vitaman 2017-12 [Digital]
Akatsuki-chan Mayonaka no Otoile Challenge
Monthly Vitaman 2015-09
Monthly Vitaman 2014-04
Onna Kentoushi no Shakuhou o Kaketa Chousen | The Liberation Challenge of a Female Knight
Challenge Hanayome Ichinensei
Male Swimsuit Challenge
Hina Iinchou Amae Heta Kokufuku Challenge
[inari mochi] Swimsuit Challenge
[Tenchuugumi] Queen Sayoko's Challenge (Ah! My Goddess!) English
[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]
(Dramatic Change 3) [Ne. (Shiromitsu Daiya)] Challenge! Ochinchin Purupuruen ~3-nin nara Dekiru Mo~n~ (THE IDOLM@STER SideM)
One-shota Challenge