Monthly Vitaman 2013-01
[Shigaoka Touki] Kekkon Suru Nara Mesuneko to (Monthly Vitaman 2015-04) [English] [Krozam]
[AXZ (Katatuka Kouji)] Yui-chan SEX Challenge!! (Yuyushiki) [Digital]
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-)
[Kuon Michiyoshi] HUNDRED GAME Ch. 8 (Monthly Vitaman 2015-07) [Chinese] [樱翼汉化组]
[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)
[deadflow] Ui (Kukagetsu) | Ui (Eight months pregnant) (Blue Aka-chan IN-bu) (Blue Archive) [Chinese] [Digital]
[Higashino Mikan] Futomomo Sensation! (Monthly Vitaman 2015-10) [English] {NecroManCr}
[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]
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
(C82) [Marin (Suzusato Rinka, Mage)] Doujouyaburi no Kata wa Katteguchi e Omawari Kudasai | Challengers Please Present Yourself At The Back Door (Ranma 1/2) (English) [SaHa]
DT Chinpo 100-pon Acme Challenge!!
[Karma Tatsurou] Reikan | Ghost Sense (Monthly Vitaman 2013-05) [English] {UsagiTrans}
[Yonemochi Akihiko] adult challenge 1
(C95) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
Monthly UriboZakkaTen Feb.28,2020
Kaye-nee Challenging Herself in Volleyball
Angel's stroke 140 Yui-chan Challenge!! 3
Reiwa Shasei Challenge
(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
Rika no Oshiri Challenge
Yuusha no Sairoku Hon Challenge
[Corundum] A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou (Fate Grand Order) [English] [FMLTranslations]
Futanari Milk Challenge 3 | 迫真水泳部・扶她的里技―第三章
催眠天国 Challenge 03
[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Renaissance Da Vinci Translation] [Incomplete]
Once A Month Visitor
Monthly Vitaman 2015-10
Karaoke Challenge
Hina Iinchou Amae Heta Kokufuku Challenge
Monthly Vitaman 2014-02
Kyokon Shoujo Nyoudou Challenge!
Teisou Ring Challenge
[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]
[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge!! (Kouhen) [Digital]
[Kuon Michiyoshi] HUNDRED GAME Ch. 2 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]
Kanade Challenge Kouhen
adult challenge 1
[Irojikake Matome Blog (Kurokawa Otogi)] Renzoku Kyousha Challenge (Paizuri Senmon Zasshi "Zettai Chichi Kyousha" Vol 1) [Textless]
Pancakes Challenge | Desafío de Panqueques
Sanae Challenge!!
Monthly Vitaman 2013-04
Kodomo Challenge
Kagi Catch Challenge 2
SKB Challenge
Renzoku Kyousha Challenge
Time of the Month
Monthly Vitaman 2016-12
Kanoka Challenge_plot 2
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)
(C88) [Shinobi-Rocket (Sasamashin)] Akatsuki Challenge! (Kantai Collection -KanColle-)
Kashima-san to Akimatsuri Challenge
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra) [English] [Gawainized]
Matsuno Osomatsu no Sex Challenge
[Takeya (Taketora Suzume)] Kuroshio Challenge (Kantai Collection -KanColle-) [Digital]
[Momonosuke] Renai Icchokusen! (Monthly Vitaman 2014-09) [English] [Fated Circle]
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 22 (Monthly Vitaman 2015-02) [Chinese] [樱翼汉化组]
Ane☆Volleyball Challenge
[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
[Karma Tatsuro] Shiawase no Shoujo (Monthly Vitaman 2014-01) [English] [Facedesk]
(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密相声挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]
Chiisana Yuusha ga Teki Onna Kanbu ni Tatakai o Idomi Eroi Koto Sareru Hon | The Tiny Hero Challenges The Enemy's Female Leader To A Battle And Gets Some Lewd Shit Done To Him!
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6 [Chinese] [cqxl自己汉化]
[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]
[MelonBooks] Monthly MelomELO Nov.11,2012
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
Monthly Vitaman 2014-10
Kasshoku Onee-san no Fudeoroshi Yume to Kibou no Bikini Armour
Akane-chan Challenge! 2.5-kaime
Teisouring Challenge
[Homura Subaru] Momoyuri Gakuen ~Himitsu no Soap-bu~ 2-rime (Monthly QooPA 2015-01) [Digital]
Saimin Tengoku Challenge 06
Futanari Milk Challenge 2 | 扶她榨乳挑战2
[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1
Toka 1 hour drawing challenge
(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}
Namaiki Kuchikukan Wakarase Challenge
Monthly QooPA 2013-10
[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 6
[Croriin]~Succubus Challenge~(Isekai Rakuten Vol.5)[Chinese][星瞳漢化]
[Gosaiji] Captain Saimin Icha Love Challenge (2D Comic Magazine Saimin Kyousei Wakan Ijirare Heroine Mesukoi Acme! Vol. 1) [Chinese] [村长个人汉化] [Digital]
Saiyan Monthly n°25, August 1993, 2nd anniversary
Monthly Vitaman 2017-04
i-ll-make-you-understand-challenge
Akane Challenge!? 2
Kyogo ~Kunoichi Water Torture Challenge~
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [Digital]
[Rapan (Himuro Shizuku)] Gekkan Duelist 11 - vol.03 | Monthly Duelist 11 - vol.3 (Yu-Gi-Oh! 5D's ) [English] [Utopia]
Mont Barbara no Inran Shimai | Laissez Fayre Horny Sisters
Kodomo de Challenge 3
Monthly QooPA 2014-08
Yuusha no Sairokubon Challenge
Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?
[Jyoka] Igyou Kaikitan Mannequin | Wonderfully Grotesque Mystery - Mannequin (Monthly QooPA 2015-06) [English] [SaHa]
1-kagetsukan no Paradise | A Month of Paradise
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 (Sennen Sensou Aigis)
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
[Karma Tatsurou] OoTsuma | The Abnormalcy bias (Monthly Vitaman 2011-12) [English] [Digital]
Monthly Vitaman 2007-09
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [Digital]
Monthly Vitaman 2014-01
Monthly Vitaman 2017-12 [Digital]
[Fukumaaya] Uiuishii Imouto | Naive Little Sister (Monthly QooPA 2014-08) [English] [Crystalium]
Monthly Vitaman 2015-04
Challenge Week
Monthly Vitaman 2016-08
MONTHLY THE IWATOVISION
futanari milk challenge 5
Dosei 1-kagetsu | Rooming together for a month
[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 21 (Monthly Vitaman 2014-12) [Chinese] [樱翼汉化组]
Monthly Vitaman 2016-05
Futanari Milk Challenge 5 | 扶她榨乳挑战 5
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
Shizuku to Airi no 1-kagetsu Dousei Challenge!! | 雫和愛梨的一月同居挑戰!!
Monthly Vitaman 2018-05
Laissez Fayre Horny Sisters
Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Monthly Vitaman 2007-08
[Healthyman] Kokona (Hachikagetsu) | Kokona (Seven months pregnant) (Blue Aka-chan IN-bu) [English] [Team Rabu2] [Decensored] [Digital]
[Sakimori Dan] Sanae Challenge!! Ch. 1-2
Saimin Tengoku Challenge 04
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
[deathALICE] Time of the Month (Girls' Frontline) [English]
(C90) [SHAY-CONE (Poccora)] Bakunyuu Majo Tsuki ni Ichido no Cosplay Nakadashi Off-kai | Big-Titty Witch's Monthly Cosplay Creampie Meetup (Granblue Fantasy) [English] =White Lantern=