1 Month Challenge

[Comeon Showme] Unhappy Now Year (Monthly Vitaman 2013-02) [English] [Krozam]

(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!

Monthly Vitaman 2009-03

[Mitarashi Kousei] Yume no you na hanashi (Monthly QooPA 2014-08) [Chinese] [無邪気漢化組]

[Fukuyama Naoto] Saimin Tengoku Challenge 06 (COMIC BAVEL 2022-02) [Chinese] [萬神殿牛頭人個人漢化] [Digital]

[Karma Tatsurou] Mini Tsuma (Monthly Vitaman 2012-03) [English] [Digital]

[Karma Tatsurou] Cacaosu (Monthly Vitaman 2013-03) [English] [UsagiTrans]

Kyogo ~Kunoichi Water Torture Challenge~

(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen

Sex Challengers

[Hibon (Itami)] Yuu-kun CHALLENGE!! Kobe Hen [Digital]

[Nekomata Naomi] Here Comes a New Challenger! (COMIC Kairakuten Beast 2007-04) [English] [Clearly Guilty Translations]

Seieki Tamekomi Challenge

(C88) [Shinobi-Rocket (Sasamashin)] Akatsuki Challenge! (Kantai Collection -KanColle-)

G◎M

Monthly Vitaman 2015-05 [Digital]

(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)

Kodomo de Challenge 2

[Karma Tatsurou] Irekawa (Monthly Vitaman 2011-07) [English] [Blackgrunt] [Sensualaoi] {Re-set v2}

Monthly Vitaman 2009-09

After A Month

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred)

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 3 [Digital]

Monthly QooPA 2015-05

[MelonBooks] Monthly MelomELO Mar.2014

[Suhamaya (Satou Takumi)] Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle. (Fate/Grand Order) [English] [Iscreamkat] [Digital]

[Bobobo] Hito Tsukiburi | After A Month (PLDK) [English] =LWB= [Decensored]

Monthly Vitaman 2013-09

Saimin Appli Challenge!!

[Mizone] Onigashima no Kyokon (Monthly QooPA 2014-11) [Digital]

Monthly Vitaman 2013-08

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi [Chinese] [cqxl自己汉化] [Digital]

Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga

(C83) [Algolagnia (Mikoshiro Honnin)] Monthly Margareta Vol. 2 Event Henshuuban

Monthly Vitaman 2018-02 [Digital]

Okay-san no Nukinuki Dosukebe Challenge

[MelonBooks] Monthly MelomELO Feb.25,2013

Toka 1 hour drawing challenge

Monthly Vitaman 2015-06

Monthly Vitaman 2015-04

(C97) [Yuasa Rengou (Jean Louis)] Tanpan Kozou no Oppai Gym Challenge! | A Boy In Short's Big Breasted Gym Challenge! (Pokémon Sword and Shield) [English] {Doujins.com}

Kyokon Shoujo Nyoudou Challenge!

(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)

Monthly Vitaman 2007-02

(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)

(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!! [Chinese] [脸肿汉化组]

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Onee-san no Fudeoroshi Ver. 7 [Chinese] [cqxl自己汉化] [Digital]

[Mizone] Hito no Ashi yori Hebi no Ashi Miyo | Watch Out Where You Put Your Own Snake (Monthly QooPA 2014-09) [English] [thetsuuyaku] [Digital]

Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画

[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)

[Kuon Michiyoshi] HUNDRED GAME Ch. 5 (Monthly Vitaman 2015-03) [Chinese] [樱翼汉化组]

Futanari Milk Challenge | 扶她榨乳挑战

Misaki-chan no Lotion Challenge

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]

[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)

Akane Challenge!? 2

(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)

(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]

Monthly Vitaman 2014-03

Monthly 'Aikawa' The Chief Editor Chp. 5

Hajimete no Inpio Challenge

DokiDoki Mesuiki! Challenge!!

[Karma Tatsurou] Saraware (Monthly Vitaman 2012-08) [Chinese]

Kurakura Kyouka Gekkan | A Month Of Increasing Pleasure

[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]

(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]

Monthly Comic Guts RE

Sennou Fuchou no Obenjo Challenge Isshuukan!

[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)

[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]

[Miyahara Ayumu] Abunai Mizugi (Monthly Vitaman 2011-06) [English] [Japanzai]

(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order) [Chinese] [黎欧x新桥月白日语社汉化]

Aisha Challenge 4

Etorofu-gata Muchikko Kodomo 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]

[The Monthly Istanbul (Ahugan Sugita)] Kasshoku Oneesan no Fudeoroshi Ver. 4 [Digital]

[d.a.p] UnknownUnlockChallenge

Challenge Days

Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge

Futanari Milk Challenge 3 | 扶她榨乳挑战 3

Monthly Vitaman 2015-03

[Kuon Michiyoshi] HUNDRED GAME Ch. 11 (Monthly Vitaman 2015-11) [Chinese] [樱翼汉化组]

[Momonosuke] Renai Icchokusen! (Monthly Vitaman 2014-09) [English] [Fated Circle]

Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge

Ero Trap Dungeon no Challenger

Monthly Vitaman 2013-04

[Fanbox] Kanzarin [Hentai of the month] (3648356)

(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]

[Kuon Michiyoshi] HUNDRED GAME Ch. 6 (Monthly Vitaman 2015-05) [Chinese] [樱翼汉化组]

Getsumatsu Daikanshasai | End of the Month Appreciation Event

(Ore no Turn vs. 2019) [sigh. (Naruse)] Ore to Aitsu no S. M. T Challenge! (Yu-Gi-Oh! VRAINS)

[MelonBooks] Monthly MelomELO Nov.11,2012

Monthly Vitaman 2008-08

U Challenge

Twin Challenge ch. 1

Yui-chan SEX Challenge!!

Renzoku Kyousha Challenge

One-shota Challenge

(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3

Kaye-nee Challenging Herself in Volleyball

Futanari Milk Challenge 2 | 迫真水泳部・扶她的里技―第二章

[Momonosuke] Inaka no Aji wa Koi no Aji? (Monthly Vitaman 2016-05) [English] [Fated Circle]

Monthly Vitaman 2016-10 [Digital]

(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)

[Homura Subaru] Milky Succubus Lyli 4 (Monthly QooPA 2015-02) [Digital]

Challenge! Hentai Majo Rensei

[Fujisaka Kuuki] Opparadise wa Shinryouchu | 欧派天国诊疗中 Ch. 9 (Monthly Vitaman 2018-04) [Chinese] [前线作♂战♀基地] [Digital]

Monthly Megastore 2021-12

催眠天国 Challenge 03

Gekkan "The Bitch" o Mita Onna no Hannou ni Tsuite | About the Reaction of the Girl Who Saw "The Bitch Monthly"

[Terujirou] Junior Dominating Senior Challenge!

[Fujisaka Kuuki] Koi Kano x Ai Kano Ch. 20 (Monthly Vitaman 2014-11) [Chinese] [樱翼汉化组]

[Ohmi Takeshi] Gekkan Aikawa Henshuuchou - Monthly "Aikawa" The Chief Editor 1 [English] [redCoMet]

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho (Fate/Grand Order) [Digital]