[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho 3 (Fate/Grand Order) [Digital]
(C91) [Oracle Eggs (Suihi)] Daisuki Yaia (Granblue Fantasy) [English] [Doki Fansubs]
(Reitaisai 14) [Yosutebito na Mangakaki (Tomoki Tomonori)] Koibito no Furi shite Naka ni Dashite... (Touhou Project) [Chinese] [靴下汉化组]
Kanade Challenge Kouhen
(C78) [Dennou Fuyu Mikan (Ueda Rieko)] Otona Challenge (Final Fantasy 4)
Dokidoki Mesu Ochi Gohoushi Challenge
(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge (Kantai Collection -KanColle-) [English] {Doujins.com}
COMIC Europa Vol. 9 [Digital]
Renzoku Kyousha Challenge
[Mujitan (Tsumugie)] America kara Oppai ga Semete Kita zo - The Oppai Invasion from USA (Kantai Collection -KanColle-) [Digital]
[Inuteikoku (Mura)] Nyuuma [English] [Tigoris Translates] [Digital]
(C87) [Asatsuki Dou (Youta)] Oniichan "Socchi" mo Aratte Ageyokka♥ | I'm going to wash you down there, too, Big brother♥ [English] [yuripe]
[Hadairozanmai (Mitei)] Imouto to Ofuro ni Haittara [Digital]
TS-kko Otokoyu Challenge!
(C94) [Bizensiki Roroppu (Bizen)] Oshiri Ecchi Challenge (Hatoba Tsugu)
(C93) [Kaitsushin (Namamo Nanase)] 6-nen B-gumi Erika-chan to Shota Sensei [Chinese] [嗶咔嗶咔漢化組]
[Yurikawa] Futago Challenge (Toshiue Kanojo Alternative) [English] [PSYN]
[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]
[John K. Pe-ta] Itoshiki Acmate - My Lovely Acmate [Digital]
(C93) [odin (Kurokawa IZUMI)] Atago-san no Munyumunyu Oppai o Meshiagare (Azur Lane) [Chinese] [空気系☆漢化]
(C94) [Moruda Ramenya (Moruda)] Okei-san no Nukinuki Dosukebe Challenge | Okay-san's Dirty Lewd Challenge (Girls und Panzer) [English] {Doujins.com}
(C93) [Zetsubou Shiromuji (Shousan Bouzu)] JS Gakuen 3
(C88) [cat expert (Nekousa)] Neko Puni! Remix 2
COMIC Shigekiteki SQUIRT!! Vol. 07 [Digital]
(Futaba Gakuensai 7) [1000AP (Various)] Kodomo de Challenge 3 (Futaba Channel)
(C90) [Hadairozanmai (Mitei)] Anchovy Bon (Girls und Panzer)
(SUPER11) [Astonish (Naitou Naito)] Kodomo Challenge (Various) [English] [CrystalMeph]
(COMITIA124) [Gasayabu (Fuyube Rion)] Kakinsei Succubus Oppai Hen
ChichiKoi! - Oppai Emotion Ch. 2-4, 6-7, 9-10
Tickle Massage Chair Mini - Million Yen Challenge
(C93) [Aozora Shoujo (Shirane Taito)] Rika no Oshiri Challenge (THE IDOLM@STER CINDERELLA GIRLS)
(C92) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge
[dotsuco] Nametake Challenge!
Pancakes Challenge
[zetubou] Kusuguri Massage Chair 3
(C94) [Asatsuki Dou (Youta)] Hontou ni Atta Oshikko Enkou 2
(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [无毒汉化组]
[Kaitsushin (Namamo Nanase)] 6-nen B-gumi Erika-chan to Shota Sensei [Digital]
[emily] Fruit Mix (Milky Pocket) [English] [Digital]
(COMITIA124) [Wisteria (Fuji-han)] Imouto no Oppai wa Onii-chan Senyou nandatte!
(Futaket 14) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 3 | 扶她榨乳挑战 3 [Chinese] [黄记汉化组]
Petit Xu Lewd Challenge (Revenge Edition) + Extras
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
[Kamiya Zuzu] Strawberry Time [Digital]
[Chirumakuro] HA SA N DE A GE RU
[Supe (Nakani)] Imouto no Oppai ga Marudashi Datta Hanashi 3 [English] [desudesu] [Decensored] [Digital]
[Tori no Sanpomichi (Inukai)] Breya Beach no Himegoto | The Secret Thing at Breya Beach (Dragon's Dogma) [English] [q91] [Digital]
Namaiki Oppai Banchou (Banka-Love) Ch. 3
[Anthology] Oppai no Oppai ni Yoru Oppai no Tame no Oppai Anthology Vol. 1 [Digital]
COMIC X-EROS #60 [Digital]
[Noise] Short Pants to Iroiro [Chinese]
[Rojiura Manhole (MAKI)] Draph Oppai 3CHAIN - Bakunyuu Musume-tachi to Namahame 4P (Granblue Fantasy) [Digital]
(C86) [Marked-two (Hideo)] Taihou Challenge! (Kantai Collection -KanColle-) [Chinese] [CE家族社]
[Supe (Nakani)] Imouto no Oppai ga Marudashi Datta Hanashi 5 [English] [Digital]
[Yakihata Nyuugyou (Various)] Bakunyuu/Chounyuu Goudoushi Gounyuu! [Digital]
(C93) [Unagiyasan (Hanamiya Natsuka)] Otona Challenge!!
Girls from a Prestigious School Challenged to an Escape Game
Chaldea Outdoor Challenge Abby-chan to Issho 3
(C84) [Hinouhe Family (Ryokunyo)] Reika no Oppai o Momimakuru Hon (Smile Precure!)
[Akatsuki Myuuto] Lovemare♥ Joshou Classmate Doujin + Ch.1-9 [Digital]
(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]
(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl) [English] [FEPO]
[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]
[Akatsuki Myuuto] Lovemare♥ Joshou Classmate Doujin+Ch.1-7 [Digital]
[Akitsuki Hirozumi] Aah, Dechatta | 啊啊、射出來了+虎之穴特典 [Chinese]
(C91) [REI's ROOM (REI)] Fushigi no Kuni no Arisu (Girls und Panzer)
[GOD Ryokutya (Bu-chan)] Akogi na Mane wa Yamerarenai! (Futari wa Precure Splash Star) [English] [Digital]
Kasen-chan no Jasen Rouraku Challenge
[Sasagawa Hayashi] Houkago Oppai Club (After School Oppai Club) [English] [DGB]
Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge
Kyokon Shoujo Nyoudou Challenge!
[Milk Pudding (Jamcy)] Akane-chan Challenge! 4-kaime (VOICEROID) [Digital]
Jisatsu Challenge | 自殺挑戰
催眠天国 Challenge 03
(C70) [Udon-ya (Kizuki Aruchu)] Suzumiya Haruhi no Oppai Oppai (The Melancholy of Haruhi Suzumiya) [English]
Seiseki UP no Gohoubi wa Okaa-san no Oppai ga Ii!! ~Ie ni Kaette Kaa-chan no Oppai demo Shabuttemasu!!~
[Nagata Maria] Totsuzen Onnanoko ni Natta node, Ore no Oppai Monde mimasen ka? 15
[Jereheim Garden (Midoriko)] V.S. Oppai-sama Stage.2 [Digital]
(C94) [Moruda Ramenya (Moruda)] Okay-san no Nukinuki Dosukebe Challenge (Girls und Panzer)
(C92) [Kurumaya (RoGa)] Lolita Oppai Syndrome
(C94) [Othello Ice (shuz)] Genki ga Nai nara Shite Ageru [English]
(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
[Hadairozanmai (Mitei)] Oni Chichi Hon Datte no! (Oni Chichi) [Digital]
(C92) [Othello Ice (shuz)] Gaman Shinakute Iinda yo [English] [constantly]
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
Hololive Oppai
(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]
Futanari Milk Challenge 6
Namaiki Kuchikukan Wakarase Challenge
(C93) [Mitikage (Kageira)] Minori Mama de Baburitai (Senran Kagura) [English] [Chooks22]
(COMIC1☆13) [Sekai Kakumei Club (Ozawa Reido)] Oppai mo Shimo no Hou mo Yurusugiru Inuyama Aoi-chan (Yuru Camp)
[Urushiya Seitai Jikkenshitsu (Mimuda Ryouzou)] Fururun Kyonyuu Shougakusei-chan [Digital]
(C82) [Areirias (Yamaguchi Ugou)] Wanwan Oppai DAYS2 (DOG DAYS)
(Junction Box Nagoya) [Chocolate Synapse (Shika Yuno)] Enkou Shitemo Zettai Daijoubu da yo! ...ne? (Hinabita)
[Marimofu] 未由ちゃんの射精管理(12時間編)
Chaldea Outdoor Challenge Abby-chan to Issho
[Matsuri Gensou (Tsukasawa)] KanColleppai Gaiden Loli Chounyuu Ikazuchi Inazuma Hen Kouhen (Kantai Collection -KanColle-) [English] [B.R.R.+B.E.C. Scans] [Digital]
[Takaoka Motofumi] Kyasha na ko no Iregokochi wa...Atsu!
COMIC AUN 2017-02 [Digital]
[Pedocchi] Nyuugyuu Shoujo Kaori - Milk Tank Girl Kaori
(C93) [Toraisix (Toraisi666)] BB no Fukenzen na Illust-bon (BLAZBLUE)
(Futaba Gakuensai 8) [1000AP (Various)] Kodomo de Challenge 4 (Futaba Channel)
(pixiv MARKET) [ROCK CLIME (Sakimori Dan)] Kanmusu Oppai na Kobanashi Tsumeawase (Kantai Collection -KanColle-)
[Kikkaya (Uesugi Kyoushirou)] Haruka Challenge [English] [Scansforhumanity]
(SC12) [Aniki Teikoku (Fey Tas)] Chichi Senpuu (Eiken) [English] [Hardcore-translations]
Cute Jolyne Lewd Challenge + Extras
Dairoku! Otoile Challenge 2
COMIC LO 2017-12
Hitozuma Tawawan Oppai Momi Kouza ~Oppai tte Ii yo ne~
(C91) [squeezecandyheaven (Ichihaya)] Imouto wa Sickness | My Little Sister is Sickly [English] [ATF]
[Sa-Ki] Honoka Challenge! (Love Live!)
(C91) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Goshujin-sama Oppai desu yo!! 5 + Omakebon (Fate/EXTRA) [English] [constantly]
[Tecchan] Rocket Oppai [Digital]
Futanari Milk Challenge 5 | 迫真水泳部・扶她的里技―第五章
[Nakani] Imouto no Oppai ga Marudashi Datta Hanashi 3.5 (Marudashi x Sister) [English] [Digital]
[Anthology] MOMOPAN 5 [Bloomer-ko Gari]