Jack O Challenge

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)

(SC32) [Gachinko Shobou (Kobanya Koban)] Yappari Rio ha Eroi na Ryoujokuhen (Super Black Jack)

ARTERIAL EXISTENCE (Yu-Gi-Oh! 5D's)

[Kogasaki Yuina] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Grand Order)

(COMIC1☆13) [AERIAL RAVE (Jacky)] Eris Luck Overflow (Kono Subarashii Sekai ni Syukufuku o!)

Yuusha no Sairokubon Challenge

(C81) [Jack-O'-Lantern (Neriwasabi)] Kiiroi Drill to Akai Neko (Puella Magi Madoka☆Magica) [English] =LWB=

(COMIC1) [Hellabunna (Iruma Kamiri)] Onore Jakioh!! (Super Black Jack) [Colorized]

[Yonemochi Akihiko] adult challenge 1

Yuusha no Sairokubon Challenge

Teisouring Challenge

[Kawai] ETD Challenge.

(COMIC1☆14) [squeezecandyheaven (Ichihaya)] Imouto wa Genius + Omake | My Little Sister Is a Genius + Bonus Story [English] [sneikkimies]

Kyokon Shoujo Nyoudou Challenge!

(C92) [AERIAL RAVE (Jacky)] Seraphic Gate 4 (Xenogears) [English] [H-Konbini]

[JACK-POT (Jyura)] Sister Complex [Chinese] [瓜皮汉化] [Digital]

(C88) [JACK-POT (Jyura)] Tengu Shibori (Dead or Alive)

(C93) [AERIAL RAVE (Jacky)] Shokuzai no Ma 8 (Xenogears)

[Studio PAL (Nanno Koto)] Surokyara Hisshou Magazine (Super Blackjack)

(COMIC1☆13) [AERIAL RAVE (Jacky)] Eris Luck Overflow (Kono Subarashii Sekai ni Syukufuku o!)

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

[Studio PAL (Hazuki Kaoru, Nanno Koto)] Rio Premium (Super Black Jack)

[Tonzura Douchuu (Kazawa)] Okaa-san Maryoku Kyoukyuu-tte? (Fate/Grand Order) [Digital]

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

Jisatsu Challenge | 自殺挑戰

[Jack Dou (Jack)] Please love us (Bishoujo Senshi Sailor Moon) [Digital]

(C90) [AERIAL RAVE (Jacky)] BLUE TOPAZ 2 (Xenogears)

Tickle Massage Chair Mini - Million Yen Challenge

(C82) [JACK-POT (Jyura)] Yarasero yo! Satsuki-chan (Tsukiatte yo! Satsuki-chan) [English] [EHCOVE]

(C80) [Jack-O'-Lantern (Neriwasabi)] Tomoe Mami☆Oppai (Puella Magi Madoka☆Magica)

(Reitaisai 10) [Jackpot 64 (HAN)] ORNX (Touhou Project) [English] [CGrascal]

Petit Xu Lewd Challenge + Extras

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

(C91) [JACK-POT (Jyura)] Fellatio Queen Reiko no Nichijou (Kochikame)

Dokidoki Mesu Ochi Gohoushi Challenge

Etorofu-gata Muchikko Kodomo Challenge

[Tuzi Laoda (Henrybird9)] Youjo Eirei ga Oosugiru no Ken ni Tsuite 1 (Fate/Grand Order)

(C92) [Milk pudding (Jamcy)] Akane-chan Challenge! (VOICEROID)

(COMIC1☆4) [JACK-POT (Jyura)] LIGHTNING (Final Fantasy XIII​)

(C73) [Human High-Light Film (Jacky Knee de Ukashite Punch x2 Summer de GO)] HITOMI XTREME (Dead or Alive) [English] [SaHa]

[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]

(C75) [Rapan (Himuro Shizuku)] Hoshi no Love Letter (Yu-Gi-Oh! 5D's)

Juusha Jack, Kaikyuu wa Shiriana Nikubenki

[Jackpot 64 (HAN)] Vira ni Oppai de Shitemorau Hon (Granblue Fantasy) [Digital]

(C49) [Jack-O'-lantern (Endou Rerere, Invar Mutakuchi, Neriwasabi)] Tachigyaku Wakigatame Rayearth (Magic Knight Rayearth / Mahou Kishi Rayearth)

(Utahime Teien 4) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? 2 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]

(COMIC1☆12) [Jackpot 64 (HAN)] Nero ni Oppai de Shite Morau Hon (Fate/Grand Order) [Chinese] [靴下汉化组]

Kasen-chan no Jasen Rouraku Challenge

[Jack-o’-Lantern] Flat Lover (LovePlus)

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

(COMIC1☆12) [Jackpot 64 (HAN)] Nero ni Oppai de Shite Morau Hon (Fate/Grand Order)

Space Detective Jade Dan Indecent Challenge

(C85) [JACK-POT (Jyura)] Chibiusa (●) ~Enjo Kousai Hen~ (Bishoujo Senshi Sailor Moon) [English] [EHCOVE]

(C88) [AERIAL RAVE (Jacky)] Shokuzai no Ma 4 (Xenogears) [English] [desudesu]

Yuusha no Sairokubon Challenge

Saimin Tengoku Challenge 04

(C94) [Minamono (Minamo)] Ko-Gil Challenge (Fate/Grand Order) [Chinese] [theoldestcat汉化]

One-shota Challenge

Petite Jolyne Lewd Challenge + Extras

[Mogulaz (5jack)] RAHASIA (Puella Magi Madoka Magica) [Digital]

Saimin Tengoku Challenge 05

(C85) [Aerial Rave (Jacky)] Blue Topaz (Xenogears) [Chinese] [无毒汉化]

[Akiyama Kougyou (Kagami Ryou)] Casino Target (Super Black Jack)

Futanari Milk Challenge 4 | 扶她榨乳挑战 4

[STUDIO PAL (Nanno Koto, Kenzaki Mikuri)] CARNIVAL MODE Special (Super Black Jack) [Digital]

[Sora wa Chimidoro] MOTHERQUEEN (Queen's Blade)

[ROJIURA JACK (Jun)] Natsu no Senpai no Oshiri* [Chinese] [丧尸汉化] [Digital]

[Human High-Light Film (Jacky Knee-san)] Shinbunbu Fuuka no Junan ~Shokushu ni Haramasareru Watashi~ [Digital]

(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)

[Jack-O'-Lantern (Neriwasabi)]] Iperitto Rayearth VX (Magic Knight Rayearth)

(C92) [Rip@Lip (Mizuhara Yuu)] Master no Tashinami (Fate/Grand Order) [Chinese] [胸垫汉化组]

(C95) [Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)

[Sairo Publishing (J. Sairo) En-Jack 2 (Various)

Renzoku Kyousha Challenge

(CR37) [Hellabunna (Iruma Kamiri, Mibu Natsuki)] Matamoya Super BJ (Super Black Jack, Vampire Savior / Darkstalkers)

(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)

(C94) [Gensou Mikan (Kirimia)] Chaldea Kodomo Club Vol. 2 (Fate/Grand Order)

(COMIC1☆10) [JACK-POT (Jyura)] Tekken ~Saiminjutsu ver~ (Tekken) [Chinese] [Menethil个人汉化]

[Yurikawa] Futago Challenge | Twin Challenge (Toshiue Kanojo Alternative) [English] [PSYN+DMD]

(C88) [AERIAL RAVE (Jacky)] Shokuzai no Ma 4 (Xenogears)

(C68) [Jack-O'-lantern (Ebifly, Neriwasabi)] Neko Panchu (Final Fantasy XI) [English] [SaHa] [Incomplete]

Youjo Eirei ga Oosugi no Ken ni Tsuite Natsu

(C86) [Aerial Rave (Jacky)] EMERALD SPLASH 2 (Xenogears)

[Jack to Nicholson (NoriPachi)] Anzio-ryuu 4-shu no Onee-chan Sakusen (Girls und Panzer) [Digital]

(C75) [Rojiura Jack (Jun)] Untimely Flowering (One Piece)

(C85) [Jackpot 64 (HAN)] Touhou CPZ (Touhou Project)

[Human High-Light Film (Jacky Knee de Ukashite Punch x2 Summer de GO!, Kika = Zaru)] Human High-light Film γ (Final Fantasy X)

(COMIC1☆4) [JACK-POT (Jyura)] LIGHTNING (Final Fantasy XIII​) [English] [Ryuutama]

[JACK-POT (Jyura)] Mamono no Onna | A Demon's Woman (Dragon Quest XI) [English] [biribiri] [Digital]

(SC2016 Winter) [AERIAL RAVE (Jacky)] Shokuzai no Ma 5 (Xenogears)

(C76) [Yokoshimanchi (Ash Yokoshima)] Rio to Yukai na Nakama? Tachi 2 (Super Black Jack)

(Panzer Vor! 9) [Jackpot 64 (HAN)] Wagaya no Chiyomi Onee-chan 2 (Girls und Panzer)

(C66) [Hellabunna (Iruma Kamiri)] Zokuhen Kitaa! (Super Black Jack)

(C94) [Fuwatoro★Marinepolis (Sumitomo)] Theater Challenge (THE IDOLM@STER MILLION LIVE!)

(C93) [JACK-POT (Jyura)] Kangoku no Onna (Prison School) [Chinese] [瓜皮汉化]

Pancakes Challenge

(C80) [Jack to Nicholson (NoriPachi)] KOKOPERO RERO (Tantei Opera Milky Holmes)

(Kouroumu 10) [Jackpot 64 (HAN)] ORNXX (Touhou Project)

(ComiComi13) [Rojiura Jack (Jun)] Blooming In A Prison (One Piece)

(C72) [Jack-O'-Lantern (EBIFLY, Neriwasabi)] Furi Furi (Final Fantasy XI) [English] [SaHa]

DokiDoki Mesuiki! Challenge!!

[JACK-POT (Jyura)] RAIN -Kokuhaku shite Kita no wa Imouto datta- | RAIN -It Was My Sister Who Confessed to Me- [English] [Nisor] [Digital]

(C92) [Rip@Lip (Mizuhara Yuu)] Master no Tashinami (Fate/Grand Order) [English] [Zero Translations]

(C77) [Kyuu (Shooya Akira)] Futtou Challenge (Sora no Manimani)

(C70) [Alice Garden, OTA (Hinata Momo, Megurogawa Una)] RCX-Rio Chance Xkonai (Super Black Jack)

(C81) [Jack Dou (Jack)] Please love us (Bishoujo Senshi Sailor Moon)

[Sora Ha Chimidoro (Jackasss)] Violent Passion (Dragon's Crown)

Pancakes Challenge

(C63) [Jack-O'-Lantern (Norakuro Nero)] Itawata (Xenosaga) [English]

(COMIC1) [Hellabunna (Iruma Kamiri)] Onore Jakioh!! (Super Black Jack)

(C78) [JACK-POT (Jyura)] LOVE NENE + (Love Plus) [English] [RedLantern]

Seieki Tamekomi Challenge

[STUDIO ARALUMA (nylon)] JET BLACK2 (Black Jack)

[Morittokoke (Morikoke)] Jack-kun wa Okaa-san to Issho (Fate/Grand Order) [English] [mysterymeat3] [Digital]

[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]

[Jack to Nicholson (NoriPachi)] Anzio-ryuu 4-shu no Onee-chan Sakusen | Anzio Style-4 Varieties of Sister Attacks (Girls und Panzer) [English] {Doujins.com} [Digital]

(C92) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge [English] {Hennojin}

[JACK-POT (Jyura)] Tomodachi no Onna [Chinese] [瓜皮汉化] [Digital]

[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]

Futanari Milk Challenge 2

(C78) [Jack Dou (Jack)] EndLess Rape (Suzumiya Haruhi no Yuuutsu)

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

(C93) [Kemono no Nonomichi (Akatubon)] Jack-chan o Haramasetai! (Fate/Grand Order)

(C77) [JACK-POT (Jyura)] LOVE RINKO+LOVE MANAKA (Love Plus)

(Reitaisai 3) [TOYBOX (Jacky, Kurikara)] INABA BOX 3 (Touhou Project)

(COMIC1☆10) [JACK-POT (Jyura)] Tekken ~Saiminjutsu ver~ (Tekken)

(C89) [JACK-POT (Jyura)] Tenoh Haruka (30) ~Kozukuri Hen~ (Bishoujo Senshi Sailor Moon)

(COMIC1☆6) [JACK-POT (Jyura)] Aino Minako (30) ~Fuuzokujou-hen~ (Bishoujo Senshi Sailor Moon)

(C93) [Milk pudding (Jamcy)] Akane-chan Challenge! 2-kaime (VOICEROID)

(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]

(C74) [JACK-POT (Jyura)] MONHAN erontier 2 (Monster Hunter) [Chinese] [濛濛1汉化]

(C93) [Kansai Gyogyou Kyoudou Kumiai (Marushin)] Shimai no Are Sokkuritte Hontou desu ka (Azur Lane) [Chinese] [空気系☆漢化]

[Yamitsuki Honpo (Wise Speak)] JK Tamamo no Shuugaku Ryokou Oppai Challenge (Fate/Extra)

Jack-kun no Etchi nao Mamagoto

(C72) [Knockout (Chuushin Kuranosuke, Sasaki Muramasa, USSO)] Onapon! 5 (Super Black Jack)

(Renai Jaws 1) [SKYJACK (Kitajima)] ARABIAN SEX NIGHT (Free!)

(C87) [Mogulaz (5jack)] Kngs (Touhou Project)

(C68) [Jack-O'-lantern (Ebifly, Neriwasabi)] Neko Panchu (Final Fantasy XI) [English] [desudesu] [Incomplete]

Toka 1 hour drawing challenge

(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)

(C92) [Jackpot 64 (HAN)] Josou Shita Fujimaru-kun ga Shinjuku Alter Combi ni Maryoku Kyoukyuu Saserareru Hon (Fate/Grand Order) [Chinese] [胸垫汉化组]

(CR37) [Human High-Light Film (Jacky Knee de Ukashite Punch x2 Summer de GO)] HITOMI (Dead or Alive)

(C88) [JACK-POT (Jyura)] Cosplayer no Hon (Kantai Collection -KanColle-) [Chinese] [瓜皮汉化]

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]

(C93) [JACK-POT (Jyura)] Kangoku no Onna (Prison School)

(C76) [JACK-POT (Jyura)] Entry Plug... Sounyuu!! (Neon Genesis Evangelion)

(SC3) [Studio Wallaby (Deep Purple '72, Jacky Knee de Ukashite Punch x2 Summer de GO!)] Naisho no Azuki (Azuki-chan)

[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)

Nametake Challenge!

[Jack] Jintai Sousa DE Kyousei Fukujuu Namaiki JK ni Seisai o!