Monthly Vitaman 2017-08 [Digital]
Saimin Tengoku Challenge 04
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [English] {Stopittarpit}
Hina Iinchou Amae Heta Kokufuku Challenge
Monthly UriboZakkaTen Jan.31,2020
Monthly UriboZakkaTen Feb.28,2020
Koukotsu no Ori
[Utsutenkai (Shirizou)] Katabutsu Iinchou to NTR Play ni Challenge Suru Hon / Book About A Tightly Wound School Council President Challenging Herself To Do Some NTR Play [English] {Doujins.com}
Namaiki Kuchikukan Wakarase Challenge
[Toufu Insider] Saimin Appli Challenge!!
Monthly Vitaman 2008-11
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Extra)[三色的大猩猩翻譯同盟]
Toka 1 hour drawing challenge (ichizikann)
Demonic Onsen Paizuri (EscapeFromExpansion)
You Are Challenged by Kogal Takuha | La Sfida
Natsukoi Challenge | Summer Love Challenge
New Challenges
An NTR Day Per Month - Husband Pretends Not To See It Before Her
Monthly Vitaman 2018-03 [Digital]
Onii-chan swallowing challenge!
(SUPER24) [PureSlider (Matsuo)] MONTHLY THE IWATOVISION (Free!) [English] [ichigo-day]
Monthly MelomELO Jun.2014
[MelonBooks] Monthly MelomELO Mar.2014
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 2 (Fate/Grand Order) [Chinese] [靴下汉化组] [Digital]
adult challenge 4
[MelonBooks] Monthly MelomELO Feb.25,2013
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]
Gekkan "The Bitch" o Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver.4.1 [Chinese] [cqxl自己汉化]
(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)
[Fukumaaya] Uiuishii Imouto | Naive Little Sister (Monthly QooPA 2014-08) [English] [Crystalium]
(C96) [Akairo Kurena (Kurenai)] Jeanne Alter to Dakkou Challenge!! (Fate/Grand Order)
[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 10 (Monthly Vitaman 2018-05) [Chinese] [前线作♂战♀基地] [Digital]
Monthly Vitaman 2017-12 [Digital]
[Mariana Kaikou Kikaku (Mikami Hokuto)] Shimakaze-kun Challenge Shite Itara, Mogami-kun ni Encount Shita Ken. (Kantai Collection -KanColle-) [Digital]
Monthly Vitaman 2007-08
Happy Aphrodisiac Challenge
[MemeXILE (Memeo)] Kodomo Challenge (Free!) [Digital]
[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]
Monthly Vitaman 2015-10 [Digital]
adult challenge 1
Pancakes Challenge
Ane☆Volleyball Challenge
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
(COMITIA97) [The Monthly Istanbul (Ahugan Sugita)] Bikyaku Zukan
Chaldea Outdoor Challenge Abby-chan to Issho 2
Tickle Massage Chair Mini - Million Yen Challenge
(C86) [Contamination (eigetu)] Maki Nico Lez Challenge (Love Live!) [Incomplete]
Time of the Month
[Kuon Michiyoshi] HUNDRED GAME Ch. 1 (Monthly Vitaman 2014-10) [English] [allenallenallen333]
(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)
Monthly Vitaman 2006-09
Monthly 'Aikawa' The Chief Editor Chp. 4
[Mizu] Kids Challenge [English]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Chinese] [一只麻利的鸽子汉化] [Digital]
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer) [Chinese] [不咕鸟汉化组]
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
Super Libido Challenge
Yuusha no Sairokubon Challenge
Dairoku! Otoile Challenge2
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 5 [Chinese] [cqxl自己汉化]
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
Nozomi, the wife who is cucked and filmed once a month
Challenge Days
[Sen] Makabe no Oshiri Challenge (THE IDOLM@STER MILLION LIVE!)
[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Grand Order)[三色的大猩猩翻譯同盟]
Monthly Vitaman 2016-05
(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]
First Love Ten months later complete
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] [LoliLab Translations]
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
Monthly MelomELO Nov.11,2012
Dousei Seikatsu Ikkagetsume to Ichinen Ato, Asaokite kara Shuushin made no Hikaku | A Day in the Life of a Couple: Their First Month Living Together vs. One Year Later
[Homura Subaru] Sakunyuu Inma Lili 4 | Milky succubus Lilly (Monthly QooPA 2015-02) [Digital]
[Juan Gotoh] San Jin San Getsu (Three People, Three Months) Ch. 1-3 [English]
Monthly UriboZakkaTen Dec.13,2019
[ro] Ookami to Akazukin Ch. 3 (Monthly QooPA 2014-11) [English] [Kappasa] [Digital]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]