[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [English] [ARMAE] [Digital]
Etchi Etchi Kouhai-chan
Enjo Kouhai 12
Saenai Heroine Series Vol. 6 Saenai Kouhai Shoujo no Sodachikata
Kouhai Servant ga Dosukebe na Ken
[Keito no Mori (Wool)] Tomodachi to Jikken Shite Miru Hon. Kouhen [Digital]
Kouhai to!
Namaiki na Kouhai ni Chiisaku Natte Itazurao
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4
[Ichiko] Izanai (Fujun Isei Kouhai no Susume) [English] =White Symphony= [Digital]
Ganbaru Kouhai | Do Your Best, Kouhai
[Modae Tei] DraQue Monster Joukan ~Slime Jou no Purupuru Zen Ana Kouhai~ (Dragon Quest Monsters) [Digital]
Kouhai Otokonoko to Sugosu Amai Hitotoki
Cos Shite Shiyo! Kouhai Hen
NTR Kanojo ~Yandere Kouhai ni Futanari-ka Saserarete Kairaku Ochi Saserareta Onna~
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5
(C92) [Makuu Gundan (Shinozuka Atsuto)] Ganbaru Kouhai (Fate/Grand Order) [Chinese] [黑锅汉化组]
Ore no Kouhai Kanojo ga Azatosugite Taerarenai Hon
Ki ni Naru Kouhai no Karada
Bukatsu no kouhai wa otoko no musume
Hijiri no Kiken na Seiyaku Jikken
Houkago no Kouhai
Kabane Hanshoku Jikken
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
Netorare Kouhai Kanojo 2
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa)
Enjo Kouhai Soushuuhen 1
[Nakamuratakumi (kemukemuke)] Chiisana Senpai to Ookina Kouhai | Small Senpai and Big Kouhai [English] [CDG Scans] [Digital]
(C91) [Athome Shuka (Takunomi)] Enjo Kouhai
[ぴすたちお] Futanari Senpai x Rugby-bu Kouhai-kun
(COMIC1☆13) [Yuzuponz (Rikka Kai)] Jinzouningen-tachi to Bulma no Inkou! Zetsurin!! Tokubetsu Jikken!! (Dragon Ball FighterZ)
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 7-wa [Digital]
(C71) [Parupunte (Fukada Takushi)] Rakugaki Jikken Hon 3 (Code Geass)
(C93) [LikeFairly (Arikawa Koba)] Ichinose Shiki no Jikken Report: Futanari Akiha kara no Seieki Sesshu (THE IDOLM@STER CINDERELLA GIRLS)
Enjo Kouhai In The Closet
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru.
Kouhai no Tangan-chan #5
(C92) [Makuu Gundan (Shinozuka Atsuto)] Ganbaru Kouhai | Do Your Best, Kouhai (Fate/Grand Order) [English] [Saint Quartz Scans]
(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon
[complete box (Hatakeyama Tohya)] Futanari Elf to Himitsu no Jikken
(C78) [Choco Mint] Seitei Jikken ~Hikisa Kareta Barrier Jacket~ (Magical Girl Lyrical Nanoha)
Enjo Kouhai Interlude
Natsu, Asedaku no Kouhai to
Shouganai naa Kono Hentai Uzai Kouhai
Enjoy Kouhai Links 2
Echi Echi Kouhai-chan!
(C88) [Nagiyamasugi (Nagiyama)] Hifuu Ryoujoku 4 Renko Okusuri Jikken (Touhou Project)
Seitenkan Shita Suieibu no Kouhai ga Bitch Sugiru
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Chinese] [Digital]
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Muttsuri Kouhai Mash ni Misetuketai
Kouhai Missed Memories
Tawawa na Kouhai-chan 2 + Tawawa na Omakebon
(COMIC1☆6) [Kachiwari Jikkenshitsu (Shino)] engage (MUV-LUV)
Hatsujou Kouhai
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho (Biohazard | Resident Evil)
Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 2
[Naiyori alpha Zaidan (Kimotani)] Fudangi ga Opai de BIKINI wa Yariman nanoka? Yoko de Taiman Jikken (Tengen Toppa Gurren Lagann)
Dokidoki Jikken Note Ch. 1-4
Bosei to Insei Regular no Za o Ubatta Kouhai ni Hahaoya no Karada made Ubawareta Ken
[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Bad Energy Sakushu Jikken (Smile Precure!)
[Rasahan] Kawaii Kouhai no Tame Naraba…? | For The Sake of My Cute Junior…? (Girls forM Vol. 06) [English] {Hennojin}
Maam no Chouma Seibutsu Jikken Nikki
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai Different Clothes
Enjo Kouhai 8
Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini
Nijimon! Wakuwaku Ryona Kouhai
Josou!? Saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon
Kouhai ni kokuhaku shitara ~after~
Josou saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon
Tomodachi no Youna Otaku Kouhai to Deisui Ecchi
Kouhai Sensou Zenpen | Kouhai War First Part
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [English] [mysterymeat3] [Digital]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa
Nino-san to Kaze to Yarichin Kouhai
Enjo Kouhai Soushuuhen 1+ 5-11
(C90) [X ∞ MODEL (Asagiri Tendou)] Kabane Hanshoku Jikken (Koutetsujou no Kabaneri) [Chinese] [黑白灰汉化组]
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4 [English] [Noraneko]
Yuutou Idenshi to Rettou Idenshi ni Yoru Shussan Sareta Kodomo no Nouryokuchi Sokutei Jikken Oyobi, Mesu no Nikutai-teki Henka no Kiroku
Dekkai Kouhai to Chicchai Senpai
(Sougetsusai 24) [SeaFox (Kirisaki Byakko)] Watashi no Hebionna ga Dosukebe na Kouhai ni Choukyou Sarete Ooyake no Ba de Dappi Suru Hon (Fate/Grand Order)
Ijiwaru de Amaama ~Kouhai Kanojo ni Tekoki de Aisarereru Ohanashi~
Kyodai Mushi no Kouhai-jou | Giant Bug's Cross Breeding Location
Kouhai Channel | 후배 채널
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order) [Chinese] [胸垫汉化组]
[Ryoumoto Hatsumi] Renai Kagaku Jikken - A Scientific Experiment for Love
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
(C95) [trueblue (Annie)] Cos Shite Shiyo! Kouhai Hen (Sanoba Witch)
[Mizuno] Elf Sakusei Jikken Maetsu ni Ochiru Kiyoki Tamashii (BlackCherry Anthology Shokushu Kan Mesu ni Ochi Yuku Otoko-domo Vol.2) [Chinese] [感谢金主 匿名绅士 出资汉化] [Digital]
(C88) [Deastim (Unadon)] Ur Senpai to Is Kouhai no Seifuku Play (Puzzle & Dragons)
Kouhai-chan ni Eroi Koto Sareru Hon 6
Fellatio Kouhai, Otouto ni naru- Felacion-kun, mi compañero menor, se ha convertido en mi hermano
Tomodachi to Jikken Shite Miru Hon. Kouhen | A book about experimenting with your friend, part 2
Yandere Kouhai Kyouiku Disciplining Yandere Colleague
[Microdat] Seitai Jikken
Dekkai Kouhai Chicchai Senpai | 大后辈小前辈
[Yuzuponz (Rikka Kai)] Homunculus 18-gou Seitai Energy Kyuushuu Tokkagata Sai Chousei Jikken Kiroku (Dragon Ball Z) [English] {doujins.com} [Digital]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [Chinese] [夢之行蹤漢化組] [Digital]
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru.
Kouhai Bon | 후배의 책
[Yam] Kuroko tan de jikken manga (Toaru Kagaku no Railgun)
[PLECO] Yokushu Shokushu ~Jikken~ (Blood+)
[Labomagi! (Takeda Aranobu)] Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~ | Netorare Junior Girlfriend ~Taken and Fucked Behind His Back~ [English] {2d-market.com} [Decensored] [Digital]
Kouhai Bon
Nandemo Iinari ni Naru Kouhai wa Suki desu ka?
Shortcut de Megane no Niau Hitonatsukoi Beit no Kouhai ga Yarichin Douryou no Kuruma de Okurarete kara Mudankekkin Shiteiru + Omake
Kouhai's Missed Memories
Shinjin Kouhai Kiriko-san
(C94) [Majimadou (Matou)] Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru. (Fate/Grand Order)
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!)
Kouhai-chan ni Eroi Koto Sareru Hon 5
[Nakayama Shiki Kenkou Tosho (Tada Atsunori)] Hakase Satomi de jikken Shimasuyo (w). (Mahou Sensei Negima!)
Uruwashiki Shangri-La de Kyousei Kouhai
Kouhai-chan no Ijiwaru Chikubi Zeme 2
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Digital]
[Triangle! (Maple, Yami Satori)] Kurage Musume-chan no Amaama Aigan Kouhai Nikki [Digital]
(COMIC1☆7) [Hi-per Pinch (clover)] Tanoshii Kozukuri Rika Jikken no Kyoukasho (Boku wa Tomodachi ga Sukunai) [English] {xenex-trans}
(C86) [CIRCLE ENERGY (Imaki Hitotose)] Hime Injo Jikken wa Goku-hen (Hyper-Anna) [Chinese] [巫毒汉化组]
Lunch Time no Kouhai
Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] [biribiri] [Digital]
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
Enjo Kouhai 10
(C70) [Konno Seisakubou (Konno Azure)] Isei to Jikken Shitemiyou. (KiMiKiSS)
[Sakusaku Kangen Noushuku (Matashita Kintama)] Hentai Hakase to Boku no Goukan dai Jikken!
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order) [Chinese] [黑锅汉化组]
Kajuunn Bokujou No Jikken ~Maaya Kun Wo Juukan Shichaou~
[Kitto Daiji na Otoshimono (Ogami Kazuki)] Jikken! Ika Musume (Shinryaku! Ika Musume)
Riyuu wa Fumei daga Ecchi Shite Kureru Kouhai 2
(C70) [Parupunte (Fukada Takushi)] Rakugaki Jikken Hon (Fate/stay night)
Hime Injo Jikken Ringokuhen Etsu
Kouhai Futari ni Chinpo o Omocha ni Sareru Doutei-kun
Kouhai ga Bakunyuu de Ero Sugiru Ken ni Tsuite | The Case of my Junior Being Too Sexy Because of Her Huge Boobs
Senpai Kouhai Danjo Jijou
Cos Shite Shiyo! Kouhai Hen | Let's Do It With Cosplay! Kouhai Edition
[Tenpura Kobo] Houkago Roshutsu Jikken!
[Modae Tei] DraQue Monster Joukan ~Slime Jou no Purupuru Zen Ana Kouhai~ | Dragon Quest Monster Adultery ~Slime Girl's Full Body Crossbreading~ (Dragon Quest Monsters) [English] [Digital]
Maid to Kouhai Dochira ga Okonomi? | MAID vs KOUHAI: Which Do You Prefer?
Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking
GIRL - Kouhai Kanojo Soushuuhen
Senpai to Kouhai no Nayami