[Iruma Kamiri] Seitokaichou-sama Goyoujin!! (COMIC Papipo 1999-09)
Aisha Challenge 4
ARE YOU KIDDING?
Pancakes Challenge
Doki doki♡ Ticket Challenge!
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)
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
(C78) [SOLEX (TOKU, Sanomako, Lamb)] RURIMIX SP11 (Martian Successor Nadesico)
Paruko Nagashima (Chika Sekai) - Sad Sad Kiddie (Hikaru no Go)
(C63) [STORM (Saiki Yoshikazu)] Ai to Kanashimi no Kin○Buster (Kiddy Grade)
(C67) [SOLEX (TOKU, Sanomako)] RURIMIX SP2 (Martian Successor Nadesico)
Cute Jolyne Lewd Challenge + Extras
[Rippadou (Various) ] Eranyuu Tengoku Busty Heaven 2 (Various) [Digital]
[Chitose Karasuyama Dai-2 Shucchoujo] 末莉祭り
Space Detective Jade Dan Indecent Challenge
Shimakaze-kun Challenge Shippai
Semen Storage Challenge
TS-kko Otokoyu Challenge!
(C95) [Labomagi! (Takeda Aranobu)] W Jeanne to Off-Paco Challenge (Fate/Grand Order)
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
Chaldea Outdoor Challenge Abby-chan to Issho
[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]
[Anthology] Comic Alice Club Vol. 4
Kids Challenge
Tanpan Kozou no Oppai Challenge!
(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)
Akatsuki no Oyome-san Challenge | Akatsuki's Bride 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]
Akari Challenge
Kanade Challenge Kouhen
Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
(SC19) [Shiitake (Mugi)] BYUNN BYUNN 3 (Kiddy Grade)
Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge
(C63) [Hotel California (Natsuno Suika)] Red Rouge (Kiddy Grade) [Digital]
Kanoka Challenge_plot 2
Okosama Ebi Maid! | A Kiddy Serving of Maid Shrimp!
(C65) [Hotel California (Natsuno Suika)] SWEET ANGEL 7 - Dual/Doll (Kiddy Grade)
Tobira no Soto ni Ke tsuya no Ii Neko ga ita no de, Shitsukete Kaineko ni shite miru Challenge.
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge
(C71) [SOLEX (TOKU, Sanomako)] RURIMIX SP6 (Martian Successor Nadesico)
Misaki-chan no Lotion Challenge
RURIMIX SP9
(CR33) [Workstation R (Rakkyo)] Kiddy Grade de Haa Haa Shichau Hon (Kiddy Grade)
Jisatsu Challenge | 自殺挑戰
Futanari Milk Challenge 2 | 扶她榨乳挑战2
(DC RETURNS 13) [Gesuido (Gesui)] JUST KIDDING (Kuroko no Basuke)
Saimin Tengoku Challenge 06
(C81) [Azuki Monaka (Takenouchi Suama)] Magical Saimin Challenge (Magical Halloween)
Futanari Milk Challenge 3 | 扶她榨乳挑战 3
Kyokon Shoujo Nyoudou Challenge!
Etorofu-gata Otoile Challenge
(C46) [Uraryon Kikaku (Araizumi Rui)] Ran Ran Ran 1 (Ranma 1/2)
Kasen-chan no Jasen Rouraku Challenge
Ero Trap Dungeon no Challenger
(Kotonoha's Festa 2) [Milk Pudding (Jamcy)] Akane-chan Challenge! 2.5-kaime (VOICEROID)
Venus
(COMITIA121) [furuidorikiddo (rususu)]senrinikuyuruhoshizukiyo [Chinese] [寂月汉化组]
[mizu] Nakama de Pokapoka (Kids Challenge) [Chinese] [Befreiungsfuehrer第三次个人汉化]
Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge
Tickle Massage Chair Mini - Million Yen Challenge
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
Ko-Gil Challenge
Futanari Milk Challenge
[Mizu] Kids Challenge
Challenge! Hentai Majo Rensei
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
(Sennen Battle Phase 11) [ANNIELAURIE (Toyama Nanao)] SEX CHALLENGERS 02 (Yu-Gi-Oh! ARC-V)
(SC21) [Purimomo (Goyac)] Anna Toko mo Konna Toko mo Elegant♪ (Kiddy Grade)
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C63) [Ekakigoya (Kirishima Shiroo)] Ando 6 (Kiddy Grade, Sister Princess)
[Neko to Hato (Hatoya)] Que sera sera (Kiddy Grade) [English]
[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 [Digital]
[Nonoya (Nonomura Hideki, TYPE.90)] NONOYA Ryoujoku Sakuhinshuu 1 (Various)
[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]
(CR34) [Kohakutei (Sakai Hamachi)] Spiral (Kiddy Grade) [English]
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
[Noise] Houmonsaki no Oko-sama 2' Turbo | Kiddy Visitor 2 Turbo (COMIC LO 2018-09) [English] [Doki Fansubs] [Digital]
(C38) [GomiGomi Seisaku Iinkai (Various)] GomiGomi 2 (Various)
[Mizu] Ana no Toriko (Kids Challenge) [Chinese] [Befreiungsfuehrer第四次个人汉化]
(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)
(CR33) [EXtage (Minakami Hiroki)] EXtra stage vol.9 (Kiddy Grade)
(C88) [Shinobi-Rocket (Sasamashin)] Akatsuki Challenge! (Kantai Collection -KanColle-)
(C66) [U-BULLET (Katamiki U-TOY)] Geo XI Kanzenban (Kiddy Grade)
(C93) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Kouhen
(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)
Jeanne no Nikubenki Challenge
RURIMIX SP4
Okosama Basket | Kiddie Basket
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID) [Chinese] [脸肿汉化组]
Maki Nico Lez Challenge
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
You Are Challenged by Kogal Takuha | La Sfida
Hajimete no Inpio Challenge
(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
(C63) [aya, Chibikko Kaizoudan (Tomohisa Yutaka)] apricot agate ~ Eku-chan side (Kiddy Grade)
(C74) [SOLEX (TOKU, Sanomako, Orimiya Mai)] RURIMIX SP8 (Martian Successor Nadesico)
Chaldea Outdoor Challenge Abby-chan to Issho 3
Kashima-san to Akimatsuri Challenge
[Kashiwa-ya (Hiyo Hiyo)] Kiddy Grade ABH (Kiddy Grade)
A Challenger Has Appeared Which Naturally Leads To A Duel | Chousensha ga Arawareta - Shizen na Nagare de Kettou
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
Seieki Tamekomi Challenge
Kyogo ~Kunoichi Water Torture Challenge~
(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]
Reiwa Shasei Challenge
(C63) [aya, Chibikko Kaizoudan (Tomohisa Yutaka)] amethyst ~ Lumi-chan side (Kiddy Grade) [English] [EHCOVE]
(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)
Petite Jolyne Lewd Challenge + Extras
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga
(C86) [Contamination (eigetu)] Maki Nico Lesbian Challenge (Love Live!) [Chinese] [光年汉化组汉化]
(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2
[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)
[RoriE-Do] VS Kishi no Honoo no Challenger (VS Knight Lamune & 40 Fire)
Utsuho Challenge!!
[R2 (Rakko)] Yuusha no Chousenjou 3 Senshi ni Love Song o | Hero's Challenge 3 (Dragon Quest III) [English] =thetsuuyaku= [Digital]
Challenge Week
[Noise] Houmonsaki no Oko-sama | Kiddy Visitor (Oppai, Futomomo, Sokoni Short Pants) [English] [Doki Fansubs] [Digital]
(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS)
JUST KIDDING
Toka 1 hour drawing challenge
TS-kko Otokoyu Challenge! | TS女孩男浴大作战!
(CR33) [Precious HEART (Yamasaki Atsushi)] No way you can stop me. (Kiddy Grade)
Eroi Bunnyue ni Shasei Gaman Shoubu o Idomu. | Challenging the Lewd Bunny to a Cum Endurance Battle.
[Kawai] ETD Challenge.
[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)
[Rabbit Company (Kotogi Raura)] Stale World 19 Fiction Figure: Unlimited (FIGURE 17, Final Fantasy Unlimited, Kiddy Grade)
Renzoku Kyousha Challenge
SWEET ANGEL 7 - Dual/Doll
(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER)
Namaiki Kuchikukan Wakarase Challenge
Kanade Challenge Zenpen
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
(Kono Koe Todoke, Tsuki made mo Yon) [Milk Pudding (Jamcy)] Akane-chan Challenge! 3-kaime (VOICEROID)
[Mizu] Kids Challenge [English]
[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]