Honoka Challenge! 2
Monthly Vitaman 2015-11
Monthly Vitaman 2018-03 [Digital]
(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!
[Kusatsu Terunyo] Homestay Ikkagetsume | 1st Month of Homestay (COMIC Purumelo 2008-11) [English] [desudesu]
Saimin Appli Challenge!!
Monthly Vitaman 2006-12
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [English] {Hennojin} [Digital]
i-ll-make-you-understand-challenge
(C59) [Dish up, ONE COIN (Warabi Yuuzou)] Monthly Pace No. 2 (Street Fighter)
[MelonBooks] Monthly MelomELO Jun.2014
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
Twin Challenge ch. 1
Monthly Vitaman 2014-11
Etorofu-gata Otoile Challenge
[Higashino Mikan] Umi to Nikuyoku | The Sea and Lust (Monthly Vitaman 2013-10) [English]
[laliberte] CHALLENGE [Chinese] [流木个人汉化]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [English] [TF translations]
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
Taiwan Comic Monthly
Kanade Challenge Kouhen
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
Monthly Vitaman 2017-12 [Digital]
Misaki-chan no Lotion Challenge
Tickle Massage Chair Mini - Million Yen Challenge
Saimin Tengoku Challenge 05
Monthly Vitaman 2016-05
futanari milk challenge 5
[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]