(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa)
[Zenra QQ] Fellatio Kouhai, Otouto ni naru
[BOOBY TRAP (YANAGI)] Jikken-Kun (Toriko)
Shikkarimono no Inubashiri Kouhai ni "Shikatanai desu ne!" to Iinagara Shite morau Hon
[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Kouhai-san mo Issho!~
[Naiyori alpha Zaidan (Kimotani)] Fudangi ga Opai de BIKINI wa Yariman nanoka? Yoko de Taiman Jikken (Tengen Toppa Gurren Lagann)
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
Big Tits Downer Kouhai GF, Mayuki Kosaki chan
Kajuun Bokujou no Jikken ~Maaya-kun o Juukan Shichaou~
[Athome Shuka (Takunomi)] Enjo Kouhai 5 [Digital]
Kouhai Otokonoko to Sugosu Amai Hitotoki
(C75) [Otomekibun (Sansyoku Amido.)] Gakkou de Seishun! -Kouhai mo Issho-
Kouhai Nanpa Beach Luluhawa
(C80) [Karibian (Keraton)] Seirogan Jikken | Burning Lust Pill Experiments (Touhou Project) [English] [Sharpie Translations]
Ijou Chitai ~Kanojo wa Boku no Jikken Dorei~ Kanzenban
[Triangle! (Maple, Yami Satori)] Kurage Musume-chan no Amaama Aigan Kouhai Nikki [Digital]
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [English] [desudesu] [Digital]
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order) [English] [constantly]
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!) [English] {Hennojin}
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4 [Chinese] [无毒汉化组]
Trion Hokyuu System Jikken Kiroku
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [Chinese] [兔司姬漢化組]
Kabane Hanshoku Jikken | Experimento de reproducción Kabane
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Chinese] [无毒汉化组] [Digital]
(C88) [Kajimura Market (Kajimura Kajima)] Nin-Prinz -Tokushu Kenzou Dock-nai Tokuchuu Kousoku Kenzouzai Jikken Kiroku- (Kantai Collection -KanColle-)
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night) [Chinese]
Dokidoki Jikken Note Ch. 1-4
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Yuu Yami Miruku -Nonoka no Jikken Kiroku-
[Neko Blizzard] Shoujo Kusuguri Jikken
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa
Enjo Kouhai Different Clothes
Boku no Kawaii Dekiru Kouhai
Tomodachi no Youna Otaku Kouhai to Deisui Ecchi
Kouhai-chan ni Eroi Koto sareru Hon2
Kouhai no Tangan-chan
(SUPER26) [Un-moto Shoko (Un-moto)] Giji Genkai Toppa Jikken Houkokusho 02 (Fate/Grand Order)
(C79) [Mystic Chord (Gyro Amarume)] Ore no Kouhai ga... (ry (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
Uruwashiki Shangri-La de Kyousei Kouhai
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
"Kojin Satsuei" Danshiryou Doushitsu no Doutei Houkei Kouhai o Kyousei Onanie Kyousei Shasei Satsuei Kirokushuu
[Tomato Rice] Bakunyuu de Kouhai no JK to Paizuri Suru dake
Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo? | 你看你看前輩學長♥這裡有可愛的後輩小學妹在這裡喔?
(COMIC1☆6) [Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou [Chinese] [CE家族社]
Deka Chichi Terrorist no Kousei Kouhai Jikken
(C94) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 6
Kyonyuu Sentai Sangalkan Green Hentai Mask Jikken Hen
Gudako to Dosukebe Kouhai no Futanari Jijou
otokonoko ga kouhai ni ijimenukareru eromanga no tsuzuki no tsuzuki
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Chinese][Digital]
[Ichiko] Fujun Isei Kouhai no Susume | 不純異性交配的好推薦 [Chinese]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [English] [biribiri]
Kouhai Kanojo Tsujinaka-chan no Oshioki
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4 [Chinese] [夢之行蹤漢化組]
Jikken Shimai Experiment Sisters
Astolfo Cos no Kouhai ga Satsueikaigo ni Mousou Onanie Suru Hanashi
Boku no Mash no Kouhai Ryoku
Netorare Kouhai Kanojo
Hifuu Ryoujoku 4 Renko Okusuri Jikken
Sample H0539 Kouhai Report
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order) [Chinese] [胸垫汉化组]
[AstroQube. (masha)] Kouhai no Tangan-chan #2 | Kouhai-chan the Mono-Eye Girl #2 [English] [Digital]
[Nakayama Shiki Kenkou Tosho (Tada Atsunori)] Hakase Satomi de jikken Shimasuyo (w). (Mahou Sensei Negima!)
Otokonoko ga Kouhai ni Ijimenukareru Ero Manga no Tsuzuki
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa)
[AstroQube. (masha)] Kouhai no Tangan-chan #4 | Kouhai-chan the Mono-Eye Girl #4 [English] [Digital]
Dekkai Kouhai to Chicchai Senpai
(C77) [chaos-graphixxx (mdo-h)] Toaru Kouhai no Mikotox (Toaru Kagaku no Railgun)
[Dibi] Otokonoko ga Kouhai ni Ijimenukareru Ero Manga no Tsuzuki
(C85) [Maruiro Kikou (846gou)] OL Megane Yuugi to Kouhai ga Mata Zukkon Bakkon Suru Hon (Touhou Project)
Dokuzetsu Kouhai DK wa Ore Senyou Kanojo
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [Digital]
Houkago no Kouhai
(C90) [Shimanto Seiryuu (Shimanto Youta)] Kouhai-chan Ki o Tsukete!
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2 [Chinese] [夢之行蹤漢化組]
Sasayaki no Inma ~Seisokei Bitch na Kouhai Joshidaisei ni Yoru Jinkaku Hakai Saimin~
[Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou [Digital]
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho (Biohazard | Resident Evil)
[Negative Gang] Nandemo Iinari ni Naru Kouhai wa Suki desu ka? (Zenpen)
Uruwashiki Shangri-La de Kyousei Kouhai | 在美丽的香格里拉強制交配
Enjoy Kouhai Links 2
Kouhai ga!
[R-gen] Seishoku Kaihatsu Torawareta Elf no Choukyou Jikken | Sexual Development - Torture Training of Captured Elf (Mesu Hana ga Ochiru Toki) [English] [MTL] [Digital]
Petit Namaiki na Kouhai JK no Mizuzeme Genkai Kaihatsu Nikki | 小不点傲慢后辈JK的水中虐待限界开发日记
Kakuchou Jikken
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]