Akane-chan Challenge! 2.5-kaime
Monthly 'Aikawa' The Chief Editor Chp. 6
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Lolita Complex [Digital]
Monthly Vitaman 2018-02 [Digital]
Okay-san no Nukinuki Dosukebe Challenge
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Digital]
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]
Yuusha no Sairokubon Challenge
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6
[Kazuma Muramasa] Yukizuri Hot! (Monthly Vitaman 2011-03)
Petit Xu Lewd Challenge (Revenge Edition) + Extras
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
Futanari Milk Challenge 3
TS-kko Otokoyu Challenge!
[Story Circle (Seto Kouhei, Siina Yuuki)] TS-kko Otokoyu Challenge! | TS女孩男浴大作战! [Chinese] [瑞树汉化组]
(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various) [Chinese] [不協和音漢化]
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Monthly Vitaman 2018-04
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
Monthly Vitaman 2015-05 [Digital]
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
Chaldea Outdoor Challenge Abby-chan to Issho
[Takitomo Tsuguo] Lotion!? (Monthly Vitaman 2013-08) [Chinese] [最愛路易絲澪漢化組]
You Are Challenged by Kogal Takuha | La Sfida
Monthly Vitaman 2014-01
Monthly Vitaman 2018-04 [Digital]
Monthly Vitaman 2017-05 [Digital]
Kashima-san to Akimatsuri Challenge
Monthly Vitaman 2006-11
(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! (Pokémon Sword and Shield) [Chinese]
Naisho no Enkou Challenge | 不可告人的援交挑战
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
[DIN] Seieki Tamekomi Challenge | Semen Storage Challenge [English]
(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2 Event Henshuuban
[mizu] Poka Poka After (Kids Challenge) [Chinese] [Befreiungsfuehrer第五次个人汉化]
Challenge Days
Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge!
Monthly Vitaman 2018-07
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [Chinese] [cqxl自己汉化] [Digital]
Akatsuki-chan Mayonaka no Otoile Challenge
Futanari Milk Challenge 5 | 扶她榨乳挑战 5
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
Monthly Vitaman 2007-08
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
Monthly 'Aikawa' The Chief Editor Chp. 3
Gekkan "The Bitch" o Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
[Fanbox] Kanzarin [Hentai of the month] (4012732)
Monthly Vitaman 2014-08
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi SNS wa Kiken na Nioi [Chinese] [cqxl自己汉化]
1-kagetsukan no Paradise | A Month of Paradise
Waltz of the month (only first half)
Yousei-san no?! Himitsu no Bouken no Tobira Preview ver
Monthly Vitaman 2016-08
Monthly Vitaman 2009-12
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 24 (Monthly Vitaman 2015-04) [Chinese] [樱翼汉化组]
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 [Chinese] [cqxl自己汉化]
Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge
Pancakes Challenge | Desafío de Panqueques
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[Momonosuke] Renai Icchokusen! (Monthly Vitaman 2014-09) [English] [Fated Circle]
[Jyoka] Igyou Kaikitan Hasshaku-sama (Monthly QooPA 2014-12) [Digital]
[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
[Fanbox] Kanzarin [Hentai of the month] (3648356)
[Mizu] Kids Challenge
Kuroshio Challenge
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
Monthly Vitaman 2018-05
Monthly Vitaman 2011-07 [Digital]
[Ponkotsu Works] Blind Ecchi! SideA (Monthly Vitaman 2014-09) [Chinese] {G&魔皮卡的女子力研究}
Chaldea Outdoor Challenge Abby-chan to Issho 3
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) | One-month lifestyle challenge: Rooming in an apartment filled with dicks! Part 1 [Digital] [English] [Team Rabu2]
Monthly Vitaman 2018-06
Monthly Vitaman 2016-01
U Challenge
[The Monthly Istanbul (Ahugan Sugita)] Shotagari Witch [English] [q91] [Digital]
Kyokon Shoujo Nyoudou Challenge!
Monthly Vitaman 2007-03
Monthly Vitaman 2010-02
Etorofu-gata Otoile Challenge
[Fanbox] Kanzarin [Hentai of the month] (3648356) [Textless]
Monthly Vitaman 2013-11
Monthly Vitaman 2013-09
Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour
Renzoku Kyousha Challenge
Monthly Vitaman 2014-09
[Fukuyama Naoto] Saimin Tengoku Challenge 06 (COMIC BAVEL 2022-02) [Chinese] [萬神殿牛頭人個人漢化] [Digital]
Monthly Vitaman 2018-03 [Digital]
Saimin Tengoku Challenge 05
[Mizone] Hito no Ashi yori Hebi no Ashi Miyo (Monthly QooPA 2014-09) [Digital]
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
Monthly Vitaman 2015-08
Monthly Vitaman 2009-09
Monthly MelomELO Mar.2014
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
Saimin Tengoku Challenge 04
Futanari Milk Challenge 6
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge
Utsuho Challenge!!
Getsumatsu Daikanshasai | End of month rape festival
Monthly Vitaman 2017-05
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]
(C93) [Komatta Tomato (Yuuki Miyabi)] Akatsuki-chan Mayonaka no Otoile Challenge (Kantai Collection -KanColle-)
[Bochi Bochi no Ki (Borusiti)] Kasen-chan no Jasen Rouraku Challenge (Touhou Project) [Digital]