(C60) [Cool Brain (Kitani Sai)] Angel Pain 6 (Sakura Taisen)
Udonge ga Okusuri no Zaiko Shobun Suru Hon
(C70) [Cool Brain (Kitani Sai)] Angel Pain 16: Chain Princess (Final Fantasy XII)
Hiyashi Udonge Hajimemashita
[Kira Hiroyoshi] Bottom Knock
(C68) [Cool Brain (Kitani Sai)] ANGEL PAIN 15 (Gundam SEED Destiny)
[Senbon Knock Zadankai (Inaba Fuyuki)] Happy to Shokushu Kashita Wolfrun ga Noukou na Urumiyu wo Suru Hon Dakedo Ai sae Areba Kankeinai yo ne! (Smile Precure!) [Digital]
[BLACKRAINBOW] [Full Color Seijin Ban] Saiminjutsu 2 ~Gensou to Inyoku no Ryouiki ni~ Kanzenban
[LongHornTrain (CyoCyo)] Nanakohan (Persona 4) [Digital]
(Reitaisai 8) [Momoiro Piano (Various)] Udonge no Oppai (Touhou Project)
[Sudou Factory (Sudou)] Jikan Makan Reisen Udongein Inaba (Touhou Project) [Chinese] [不咕鸟汉化组] [Digital]
(C47) [Studio SKB] Shan (Kidou Butouden G Gundam / Mobile Fighter G Gundam)
[Senbon Knock Zadankai (Inaba Fuyuki)] Ore no Imouto ga Souzou Ninshin shita no wa Dou Kangaetemo Ore ga Warui! (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [Digital]
(C85) [COOL BRAIN (Kitani Sai)] VIRGIN SHIP HARUHARU (Arpeggio of Blue Steel)
2D Comic Magazine Shikyuu Knock de Portio Zecchou! Vol. 1
[COOL BRAIN (Kitani Sai)] Chuutte Shite [Digital]
(C79) [LongHornTrain (CyoCyo)] Nanakohan (Persona 4)
Rainbow.Mika vs Poison
[knock outlaw (Eri)] Kiguu na Kyuujitsu (Kuroko no Basuke)
[Spiral Brain (Greco Roman)] Saenai Ore no Moto ni, Morrigan-san to Lilith-chan ga Sumitsuita. (Darkstalkers) [Digital]
(C68) [KNOCKOUT (Various)] Oshiri De Kyu! 10
The Captured Heroine of Justice’s Bound Pleasure Training
(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. | Selling Udonge (Touhou Project) [English] {Doujins.com}
(CR29) [Senbon Knock Zadankai (Erosong)] Roujin to Puni 1
miss rain
(Fur-st 2) [Kon'na Tokoro no Kin'niku made Kitaeru nante... (Sugoi Kin'niku)] BEST PARTNER Soushuuhen (How to Train Your Dragon)
(Sennen Battle Phase 20) [Azuma Doujou (Azuma Hirota)] Futari no Borderline (Yu-Gi-Oh! VRAINS)
Kanojo no Cosplay ~Chijoku no Nyotaika Choukyou!!~ | "Girlfriend" Cosplay: Humiliating Feminization Training
[Knockout] Onapon! 6
Pink Knock ~Tonari no Onee-san~
Udonge-san wa Anausagi
[Manoou Noguchi Eigyou Nika (Buraindogatei)] 女教師 中出し
(C76) [Evork Festa (Drain, Inoue Nanaki)] Suntan Girl 2007
[COOL BRAIN (Kitani Sai)] Haisetsu Shukujo (Amagami) [Chinese] [Digital]
[Urainutei (Kuroinu)] Hime Kanraku
(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam) [English]
(Reitaisai 15) [Satellites (Satetsu)] Udonge, Ucchaimashita. (Touhou Project) [Chinese] [無邪気漢化組]
(C89) [Brain Dead (Eiji)] Momo no Harem Kanrijutsu (To LOVE-Ru Darkness) [Chinese] [清純突破漢化]
Cosmo Choukyou Nikki | Cosmo Training Diary
(Link☆Duelmaker) [Neo Wing (Saika)] Tendrils (Yu-Gi-Oh! VRAINS)
Touhou Ryoujoku 36 Udonge Dogezax
[SS-BRAIN] Koibito ja...nai. Seto Karen Hen [English] {Doujins.com}
[Urainutei (Kuroinu)] Onna Kaizoku no Matsuro [Digital]
(C58) [Cool Brain (Kitani Sai)] Angel Pain 3 Ninamori Senka (FLCL)
[Taro] Torawareta Seigi no Heroine Kousoku Kairaku Choukyou | The Captured Heroine of Justice’s Bound Pleasure Training (2D Comic Magazine Me ga Heart ni Natte Kairaku Ochi suru Heroine-tachi Vol. 2) [English] {darknight} [Digital]
[Chococornet (Tenro Aya)] Falling - Mashoku no Sennou Dorei | Falling - Brainwashed Slave of the Great Wurm [English] {darknight} [Digital]
(Ore no Turn 6) [Azuma Doujou (Azuma Hirota)] Hanoi no Shounen (Yu-Gi-Oh! VRAINS)
[COOL BRAIN (Kitani Sai)] Chuutte Shite 3 [Digital]
[Urainutei (Kuroinu)] Ningen Seisei Koujou [English] [VVayfarer]
[HONEY QP (Inochi Wazuka)] Tsuzuki wa Batsu Game de! (Phi Brain: Puzzle of God) [Digital]
(Comic Fortune 6) [Nerimono. (Chikuwa.)] Zuruiotona (Yu-Gi-Oh! VRAINS)
(C75) [KNOCKOUT (USSO)] PET Bottle Club 5+
(C87) [PINKA PINQA (Sue)] Knock x Knock (Transformers)
(C71) [Evork Festa (Drain, Inoue Nanaki)] Suntan Girl 09
[Evork Festa (Drain, Inoue Nanaki)] Yamato Nadeshiko | Yamato's Beauty (Space Battleship Yamato 2199) [English] {doujin-moe.us} [Digital]
(C77) [Brain Dead (Eiji)] Toaru Misaka no Shouhi Denryoku (Toaru Majutsu no Index)
(C86) [COOL BRAIN (Kitani Sai)] DATENSINON (Sword Art Online)
(C79) [Brain Dead (Eiji)] Mikakunin Seibutsu OO (Sora no Otoshimono)
(C73) [LongHornTrain (CyoCyo)] SuparoNelico (Super Robot Wars)
Nijiiro Sensibility Ch. 6 | Rainbow Sensibility
[Evork Festa (Drain, Inoue Nanaki)] Sensai Injo [English] [hyarugu] [Digital]
(C84) [Brain Dead (Eiji)] Kyoushi Seikatsu (To-Love Ru Darkness)
[Urainutei] Kyasuta ni Yaburete (Fate/Zero) [English] =LWB=
(Reitaisai 15) [Nanmin Festival (Gibuchoko)] Mob Oji-san ga Udonge-chan ni Kanzen Hyoui!? (Touhou Project) [Chinese] [脸肿汉化组]
[KNOCKOUT (USSO)] PET Bottle Club Vol. 1 (Street Fighter)
[Urainutei (Kuroinu)] Ningen Seisei Koujou [English] full color (ongoing)
RAINBOW SEX/HK416
(C62) [Knockout (Various)] Oshiri de Kyu! 7 (Various)
[FILM GRAIN (Torisawa Kabuto)] 2 in 1 Lovers (Aikatsu!) [Digital]
Let Me Suck On Them, Udonge-Mama!
Nyuuchi Nikurin
Udongeiinn | inside undoge's stomach
(Comic Castle 13) [Rainbow Force, Yuusei Honpo (Minakami Hiroki, Fujimoto Sei)] Pokemon Pink (Pokémon)
(C88) [LongHornTrain (CyoCyo)] Jikochuu Princess | Selfish Princess (Dokidoki! Precure, Go! Princess PreCure) [English] {HalbesEi & B.E.C. Scans}
Seiran Udongein
Namaiki Udonge to Kusozako Ningen
[Urainutei (Kuroinu)] Shinmai Tenshi wo Reiraku
(C85) [LongHornTrain (CyoCyo)] Hirameke! Megami no Love Kiss Wand (Dokidoki! Precure, Suite Precure) [Chinese] [无毒漢化组]
[Ryona's Station (YOSHITORA)] Brain Eater Stage 1 [Chinese] [贝尔西行寺个人汉化]
(C89) [Happy Present (Manmer)] Kyou Kara Ore ga Udonge-chan! (Touhou Project)
[Senbon Knock Zadankai (Inaba Fuyuki)] Melon Hancock-san (One Piece)
Dong Zuho 2
(C69) [KNOCKOUT (Various)] Oden Musume (Sukatto Golf Pangya)
(C82) [Brain Dead (Eiji)] Momo to Mikan no Kajuu (To Love-Ru Darkness)
[Ryona's Station (YOSHITORA)] Brain Eater 3 [English] [Digital] [Natty Translations]
[Cool Brain (Kitani Sai)] Kegareno Humina (Gundam Build Fighters Try) [Digital]
[Senbon Knock Zadankai] Asuna san to Negi Sensei ga OneShota suru Hon (Mahou Sensei Negima)
[Urainutei (Kuroinu)] Ningen Seisei Koujou [English] [Colorized]
(C75) [Hakujira Uminekodan (Siam)] Shikyuu Choukyoushi - Seo | Womb Trainer, Ceo [English] [maipantsu]
[Urainutei (Kuroinu)] Gyakushuu
[Cool Brain (Kitani Sai)] Haisetsu Shukujo (Amagami) [Digital] [English] [Chocolate]
(C92) [Ikameshi Shokudou (Ikameshi)] Seisen Hime Iris 2 ~Rensa suru Dennou Daimou Hitori no Seisen Hime~ | Battle Angel Iris 2 ~Another Battle Angel’s Chaining, Brainwashing and Corruption~ [English] {darknight}
Udonge ga Chinko Hayashite Choushi ni Nocchau Hon
[Buraindogatei] Otonari no Sakuma-san Zenpen
[Evork Festa (Drain, Inoue Nanaki)] Jimina Anoko no Tenraku Seikatsu [Digital]
[RainWaterServer (Amamiya Mizuki)] Nozomi Punkish (Love Live!) [Digital]
Illustration: Rainbow Mika
(DC RETURNS 1) [Raindrop (Kiri)] Yotta Kuroko-cchi ga Kawaikutte dou Shiyou?! (Kuroko no Basuke) [Incomplete]
(C58) [Cool Brain (Kitani Sai)] Angel Pain 3 Ninamori Senka (FLCL) [English] {doujins.com}
(C63) [Gokuraku Tokkyuu (Dodongo)] Gokuraku Tokkyuu t.o.L (Kasumin, Rockman / Mega Man)
(Reitaisai 15) [Nanmin Festival (Gibuchoko)] Mob Oji-san ga Udonge-chan ni Kanzen Hyoui!? (Touhou Project)
(C83) [Brain Dead (Eiji)] Tearju-sensei no Houkago Trouble | Tearju-sensei's After-School Trouble (To LOVE-Ru Darkness) [English] {doujin-moe.us}
[Neko no Kone (Takeyu)] Udonge to Koishitai! (Touhou Project)
(C85) [LongHornTrain (CyoCyo)] Hirameke! Megami no Love Kiss Wand | Flash! Goddess of the Love Kiss Wand (Dokidoki! Precure, Suite Precure) [English] {doujin-moe.us}
(Chou Ore no Turn 2018) [Namanama Land (Namari)] Nazo no Bijo to Asobimasho (Yu-Gi-Oh! VRAINS)
[Hotarugusa] Udonge-chan Shokushu Zeme 2 (Touhou Project) [Digital]
(C78) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 10 ~ Scaplus ~ (Love Plus)
(C84) [LongHornTrain (CyoCyo)] Hirameke! Koi no Magic Wand (Dokidoki! Precure)
The Program of Rainbow Colors
(Sennen Battle Phase 21) [Neo Wing (Saika)] Dotchi ga sukina no? (Yu-Gi-Oh! VRAINS)
[Milk pudding (Milk Jam)] Sato de Ninki no Massage-ya-san chart. 2 Reisen Udongein Inaba (Touhou Project) [Chinese] [脸肿汉化组] [Digital]
[Akitarainu (Chakkaman)] Aishite. KimoOta to Flan no Ero Hon (Touhou Project) [Digital]
(C84) [Evork Festa (Drain, Inoue Nanaki)] Yamato Nadeshiko (Space Battleship Yamato 2199)
(C75) [Evork Festa (Drain, Inoue Nanaki)] Suntan Girl 13 (Textless Version)
(COMIC1☆10) [Brain Dead (Eiji)] Galfriend (Oshiete! Galko-chan)
[BLACKRAINBOW] [Full Color Seijin Han] Saimin Gakuen Dainikan Complete Ban [Digital]
(Utahime Teien 18) [Rokugatsu no Reizouko (Ushi Mochi)] Onegai! Rookie Trainer (THE IDOLM@STER CINDERELLA GIRLS)
(C73) [KNOCKOUT (USSO)] Kinbaku Hihoukan Daiisshuu (Mx0)
Suwasete Kudasai Udonge Mama! | Let me suck it, Udongemama!
(C75) [Brain Dead (Eiji)] KuroMiko (Toaru Kagaku no Railgun)
Idol training-mashiro-
[4or5 Works (Chicago)] INKOU THE PLAY NS (Yu-Gi-Oh! VRAINS) [Digital]
(C65) [U.R.C (Momoya Show-Neko)] In Sangoku Musou 2 (Dynasty Warriors)
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Digital]
[Spiral Brain (Greco Roman)] Taegataki Injoku (SoulCalibur) [Digital]
(C76) [Cool Brain (Kitani Sai)] B-ON! (K-On!) [English] [Chocolate]
[Spiral Brain (Greco Roman)] Shiyarurururururururun
(C85) [Brain Dead (Eiji)] Yappari Lala ga Suki! (To Love-Ru Darkness)
[Cool Brain (Kitani Sai)] nenemix (Love Plus) [Digital]
February cartoon Flower training