[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
Toka 1 hour drawing challenge (ichizikann)
Semen Storage Challenge
Sennou Fuchou no Obenjo Challenge Isshuukan!
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
Monthly Vitaman 2007-08
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]
Teisouring Challenge
JC Chinpo-beya Ikkagetsu Seikatsu Challenge!
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
[Jyoka] Igyou Kaikitan Mannequin (Monthly QooPA 2015-06)
Kuroneko Kamen Maudlin
Girls from a Prestigious School Challenged to an Escape Game
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!)
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
U Challenge
[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]
Kasshoku Oneesan no Fudeoroshi Ver.4.1
Monthly Vitaman 2013-08
Pancakes Challenge
Akari Challenge
Futanari Milk Challenge 6
Monthly Vitaman 2015-05 [Digital]
(C91) [Angelic Feather (Land Sale)] Flan-chan no Saimin Nikubenki Challenge (Touhou Project)
Monthly Vitaman 2016-08
(C94) [Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Chinese] [脸肿汉化组]
Yuusha no Sairokubon Challenge
Maki Nico Lez Challenge
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
Monthly Vitaman 2008-11
Monthly Gekiman Special 2012-11 [Incomplete]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]
Namaiki Kuchikukan Wakarase Challenge
Monthly Vitaman 2015-02
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [Self Translation]
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]
Monthly Vitaman 2018-06
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
Kanoka Challenge_plot 2
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3
[Higashino Mikan] Umi to Nikuyoku | The Sea and Lust (Monthly Vitaman 2013-10) [English]
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
Monthly Megastore 2021-12
Monthly Vitaman 2016-06
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
[MelonBooks] Monthly MelomELO Nov.11,2012
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 | Brown Lady Takes His First Time Ver. 3 [English] [vaasi] [Decensored] [Digital]