(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)
Monthly 'Aikawa' The Chief Editor Chp. 7
Monthly QooPA 2015-05
[Kuon Michiyoshi] HUNDRED GAME Ch. 2 (Monthly Vitaman 2014-11) [English] [allenallenallen333]
Toka 1 hour drawing challenge (ichizikann)
Monthly Vitaman 2018-07
(C78) [WORLD BOX, Bon's (Yuu, Sumeragi Sora)] 2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months (Durarara!!) [English] [ebil_trio]
Monthly Vitaman 2015-01
Sennou Fuchou no Obenjo Challenge Isshuukan!
Nametake Challenge!
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]
Naisho no Enkou Challenge | 不可告人的援交挑战
Osananajimi-chan Ikase Challenge
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章
Kanade Challenge Zenpen
[Kuon Michiyoshi] HUNDRED GAME Ch. 11 (Monthly Vitaman 2015-11) [Chinese] [樱翼汉化组]
Monthly Vitaman 2008-08
Time of the Month
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
Shizuku Challenge! Takumin Hitsuji-san no Chichishibori! RX
Toka 1 hour drawing challenge
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
Dairoku! Otoile Challenge2
Male Swimsuit Challenge
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
Monthly Vitaman 2016-04
Honoka Challenge! 2
Monthly Vitaman 2015-11
(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
Monthly Vitaman 2017-05
[Mizu] PokaPoka After (Kids Challenge) [English] [QTR]
2-nen to 8-kagetsu no Kiseki | A Journey of 2 Years and 8 Months
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure
Monthly Vitaman 2013-04
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [English] [q91] [Digital]
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
[ro] Ookami to Akazukin Ch. 2 (Monthly QooPA 2014-09) [Chinese] [E个人汉化] [Digital]
[Karma Tatsurou] Reikan | Ghost Sense (Monthly Vitaman 2013-05) [English] {UsagiTrans}
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
Monthly Vitaman 2018-04
Reiwa Shasei Challenge
Monthly Vitaman 2013-10
[18master] Boku to Kaa-san no Ikkagetsu 2 | My Month Together with Mom [English][Amoskandy]
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
Jeanne no Nikubenki Challenge
[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]
Monthly Vitaman 2009-03
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!