[calamity (Hachiko)] Ikebukuro Chika Jikken (Durarara!)
[Kamino Ryuuya] Kawaii x Kouhai Ch. 1 [English] {Genesis Translations}
Bakunyuu Kouhai ni Shasei Kanri Sareta Ue ni Netorare Maso ni Sareta Ken Usagi Kaijin Happy Rabbit Hen
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5 [Chinese] [夢之行蹤漢化組]
[Maihara Matsuge] Kouhai Shidou (COMIC ANGEL Club 2011-08)
[Athome Shuka (Takunomi)] Enjo Kouhai IF [English] [Digital] [Incomplete]
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
(COMIC1☆6) [Kachiwari Jikkenshitsu (Shino)] engage (MUV-LUV) [English] {SaHa}
Senpai Kouhai Danjo Jijou | Senpai Kouhai a Man and Woman's Circunstances
Hatsujou Kouhai
Watashi dake no Kouhai
(C93) [Killcy] Kouhai Servant ga Dosukebe na Ken (Fate/Grand Order) [Chinese] [CE家族社]
Shinchou 175cm no Rikujou Shoujo wa Kouhai Danshi no Seishi o Nomitagaru
[Seikatsu Seshishou (tt)] Kouhai to! [Digital]
Kouhai Fuukiiin ni Yoru Furyou Senpai no Otoshikata | How to rehabilitate a bad senior by a junior discipline committee member
Tawawa na Kouhai-chan 3
Enjo Kouhai Soushuuhen 1+ 5-11
[Right away (Sakai Minato)] Patchouli Shiki Mahou Jikken (Touhou Project) [Digital]
Tomodachi to Jikken Shite Miru Hon. Kouhen | A book about experimenting with your friend, part 2
(COMIC1☆13) [Yuzuponz (Rikka Kai)] Jinzouningen-tachi to Bulma no Inkou! Zetsurin!! Tokubetsu Jikken!! (Dragon Ball FighterZ)
Doutei no Ore ga Inma to Kouhai o Haramasechau!? | 明明是童贞却要让淫魔和后辈都怀上我的孩子!? 1-2
[Dokidoku Jikkenshitsu (Supopo Bitch Tagosaku)] Dokidoku Jikkenshitsu [Dead End]
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!) [Chinese] [夢之行蹤漢化組]
(SC2018 Autumn) [ELHEART'S (Ibuki Pon)] Kawaii Kouhai ni Itazura Shite Miru Hon (Fate/Grand Order)
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
Kawaii Kouhai ga Shiboritoru no o Yamete Kurenain desu.
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [English] [biribiri] [Digital]
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai―3wa
Ki ni Naru Kouhai no Karada
(C66) [Sekai Kakumei Club (Ozawa Reido)] Mesu Buta no Shiiku to Kouhai Nitsuite (Futari wa Precure)
Enjo Kouhai 5 | 원조교배5
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
Boku no Koto ga DaisukiDatta Kouhai ga Hoka no Otoko ni Haramasareru Hanashi
[Sennomori Maitake] Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 1 [Digital]
Kouhai Sensou Zenpen
Enjo Kouhai 7
[Tsuchineko (Kamihara Mizuki, Yamamoto-san)] Kouhai! (K-ON!) [Digital]
Ecchi na Kouhai-chan
[Athome Shuka (Takunomi)] Enjo Kouhai IF [Digital]
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Digital]
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
Aniki ni Jikken sarechimatta | How I Became Aniki's Test Subject
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night)
Mesu Kachou Jogeza Gaiden2 Mesu Niku Jikken-Shitsu
Rune Midgarts no Kouhai Jikken ~Archbishop Hen~
[Furuya] Sherry-chan Kouhai jikken kiroku [SMDC] [English]
Kabane Hanshoku Jikken | Kabane Breeding Experiment
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [English] [Digital]
Bitch mo Sokuochi!? Doutei Chinpo wa Zetsurin Chinpo! Futago no Kouhai to Yarimakuri! Hamemakuri!!
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order)
Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini | A mini about black gyaru who has good feeling with the otaku me being cucked
Deka Chichi Terrorist no Kousei Kouhai Jikken
Enjo Kouhai 1-10
Charai Kouhai ga Kawaii Onna ni Me Sametara. ~Ba Bi Niku Tokkun wa Mitsu no Aji~
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [Digital]
Enjo Kouhai In The Closet
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [English] [biribiri]
(Dai 4 Tsugi ROOT 4 to 5) [Un-moto Shoko (Un-moto)] Giji Genkai Toppa Jikken Houkokusho 01 (Fate/Grand Order) [Chinese] [Incomplete]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa [Digital]
Shouganai naa Kono Hentai Uzai Kouhai
Enjoy Kouhai Links 2
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
Dokidoki Jikken Note Ch. 1
Kouhai no Tangan-chan
[Erect Sawaru] Jikken! After School (Oppai Infinity!) [Decensored]
2D Comic Magazine Capsule Kan Seigi no Heroine Mesu Ochi Jikken! Vol. 1
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course (Fate/Grand Order) [Digital]
Kouhai no Momiji to Ichaicha Love Love suru Copy Bon
Sounyuu tteru kedo, Bare tenai yone?~ Kouhai Couple no Tonari de Takunomi Ecchi
Kouhai-chan no Tokubetsu Management
Kawaii Kouhai no Tame Naraba…? | For The Sake of My Cute Junior…?
Kouhai-chan Ki o Tsukete!
Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini
✦Kakusi Hikyou✦ Kouhai Suraimu no Doukutu
Kawaii x Kouhai ch.1
Boku no Kouhai wa Yasashii Seijun Bitch
Shoujo Kousoku Zecchou Jikken
Natsu, Asedaku no Kouhai to
[Athome Shuka (Takunomi)] Enjo Kouhai IF | Mating Assistance IF [English] [SDATranslation] [Digital]
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
Namaiki Kouhai Gal ni Saimin Oshioki Sex | Punishing Cheeky Kouhai Gyaru With Hypnosis Sex
[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Kouhai-san mo Issho!~
Seiteki Kachikan Gyakuten Series "Tobiori Jisatsu Shisou na Kouhai o Ecchi de Yamesaseru Hanashi"
(Reitaisai 10) [Saihate-Kukan (Hino Hino)] Tenshi-chan to Shokushu Jikken!? - Tentacle experiment with Tenshi-chan!? (Touhou Project)
[Tomato Rice] Bakunyuu de Kouhai no JK to Paizuri Suru dake
Kouhai Kanojo no Seiteki na Jikken ~Futago wa Eroi Koufun ga Kyoumei shichau?~
[Obeccho] Junboku na Kouhai-kun ga Senpai-kun ni Datosaseru made no Hanashi [English] {Shotachan}
Kouhai JK ni Seigangu ni Sarechau Hanashi
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [Doujins.com] [Digital]
Yuri Couple no Youji Taikou Junyuu Omorashi Amayakashi H + Bukatsu no Senpai o Seiteki ni Amayakasu Kouhai-chan
Aotte Kuru Kouhai o Wakara Seru!
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [English] [Doujins.com] [Digital]
[Tohgarashi Hideyu] Dokidoki Jikken Note Ch. 1 (COMIC Ananga Ranga Vol. 1) [Chinese] [虎斑木菟漢化] [Digital]
[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [English] [ARMAE] [Digital]
[Hoshino Ryuichi] Kannou Jikken
Jinzouningen-tachi to Bulma no Inkou! Zetsurin!! Tokubetsu Jikken!!
Kouhai Danshi ni Netorare SEX 2
Kokuhaku shita Kouhai no Kotae ga Kimatta Riyuu
Do-S Kouhai no Sundome Seme
Shachou no Aijin ni Sarete shimatta Kouhai no Hanashi
Kouhai to Onee-san ni Shinpai Kakecha Dame!
[Kikunosukemaru] Senpai Kouhai Danjo Jijou | Senpai Kouhai a Man and Woman's Circunstances (COMIC Anthurium 024 2015-04) [English] [Danicco]
Kouhai Danshi ni Netorare SEX 3
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [English] [mysterymeat3] [Digital]
Fuchou to Kouhai no Oshasei Jigoku
Muttsuri Kouhai Mash ni Misetuketai
Kouhai no Oppai ga Suki Sugiru | 我太喜欢后辈的奶子了 Ch. 1-2
(C93) [NecoMuffler (Ninako)] Cagliostro no Jikken Kyoushitsu (Granblue Fantasy)
Atarashii Jikken
[Urushiya Seitai Jikkenshitsu (Mimuda Ryouzou)] Fururun Kyonyuu Shougakusei-chan [Digital]
Enjo Kouhai 11
(C87) [AstroQube. (masha)] Kouhai no Tangan-chan
Kouhai-chan no Ijiwaru Chikubi Zeme
Machikirenai Kouhai Kanojo Tsujinaka-Chan
Giji Genkai Toppa Jikken Houkokusho 02
Kurage Musume-chan no Amaama Aigan Kouhai Nikki
Kono Haru, Kanojo to Issho ni Sotsugyou Shimashita ~Senpai x Kouhai Hamex Hen~
Futanari Elf to Himitsu no Jikken
Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight
Hime Injo Jikken Ringokuhen Etsu
Kouhai no Amai Ryouhou
Ijou Chitai ~Kanojo wa Boku no Jikken Dorei~ Kanzenban
Watashi no Hebionna ga Dosukebe no Kouhai ni Choukyou Sarete Ooyake no Ba de Dappi Suru Hon
Shota Teitoku wa Senpai no Kouhai no Mono yo
【Mokugeki】Rikujoubu Kouhai ga Noshon: Hanashikaketara Tsuyoki na Taiou o Sareta
[Inanaki Shiki] Houkago Kouhai Note
Enjo Kouhai Interlude
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [CE家族社]
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4 [English] [biribiri]
[Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou [Digital]
[Kanbotan] Aru Hi no Dekigoto ~ Saimin Jikken ~ | A Certain Day's Incident ~Hypnotism Experiment~ [English] =LWB=
[Akuochisukii Kyoushitsu (Akuochisukii Sensei)] Bad Energy Sakushu Jikken (Smile Precure!)
(COMIC1☆12) [Junpuumanpandou (Hida Tatsuo)] Uchi no Megane no Niau Tayoreru Kouhai ga Totemo Kawaii! (Fate/Grand Order) [Chinese] [脸肿汉化组]