Aniki ni Jikken sarechimatta | How I Became Aniki's Test Subject
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman.
Gesuna Kouhai to no SEX ga kimochi Yokute Mukatsuku. | 超邪惡後輩的SEX是可愛又迷人的反派角色 1
(C70) [Yan-Yam] Eriko Ryojyoku Jikken (KiMiKiSS)
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [Doujins.com] [Digital]
(C88) [Kajimura Market (Kajimura Kajima)] Nin-Prinz -Tokushu Kenzou Dock-nai Tokuchuu Kousoku Kenzouzai Jikken Kiroku- (Kantai Collection -KanColle-)
(C88) [Deastim (Unadon)] Ur Senpai to Is Kouhai no Seifuku Play (Puzzle & Dragons)
Kouhai Danshi ni Netorare SEX 2
(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) [Chinese] [肉包汉化组]
(C80) [Karibian (Keraton)] Seirogan Jikken (Touhou Project)
Futaba Chiru
Tawawa na Kouhai-chan 2
(C77) [chaos-graphixxx (mdo-h)] Toaru Kouhai no Mikotox (Toaru Kagaku no Railgun)
Do-S Kouhai no Sundome Seme
Uruwashiki Shangri-La de Kyousei Kouhai
[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Kouhai-san Honki Sex!~
Saikin Senpai ni Kamatte moraete inai Kouhai Nasubi-chan | Lately Senpai Hasn't Been Paying Much Attention To His Kouhai Mash
Maid to Kouhai Dochira ga Okonomi? | MAID vs KOUHAI: Which Do You Prefer?
Bakunyuu de Kouhai no JK to Paizuri Suru dake
[Dan Renji] Kankinshite Iroiro Jikken (Aso) ndemiru
Enjo Kouhai Soushuuhen 1
Mental Cube Jikken ni Okeru Jiko Narabi ni Higai Houkokusho
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [English] [Digital]
[Right away (Sakai Minato)] Patchouli Shiki Mahou Jikken (Touhou Project) [Digital]
Jikken! After School
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru.
Spy Sange -Akumu no Jintai Jikken-
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Chinese] [Digital]
Tomodachi to Jikken Shite Miru Hon. Zenpen
Kawaii Kouhai ni Itazura Shite Miru Hon
(C93) [Tsukino Chikake Ikoku (Chikake)] Ore to Megami to Kouhai to (Fate/Grand Order)
[Erect Sawaru] Jikken! After School (Oppai Infinity) [English] =TV=
Nandemo Iinari ni Naru Kouhai wa Suki desu ka?
(C71) [Tsurukiya (Mutsuki Ginji)] Tensai Jikken (KiMiKiSS)
Enjo Kouhai 8
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
[R-gen] Seishoku Kaihatsu Torawareta Elf no Choukyou Jikken | Sexual Development - Torture Training of Captured Elf (Mesu Hana ga Ochiru Toki) [English] [MTL] [Digital]
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
Sounyuu tteru kedo, Bare tenai yone?~ Kouhai Couple no Tonari de Takunomi Ecchi
Fellatio Kouhai, Otouto ni naru- Felacion-kun, mi compañero menor, se ha convertido en mi hermano
kohri no senshi buruaishikuru chijoku no sennou jikken zempe
Astolfo Cos no Kouhai Uriko to Kaijou de Sex Shita Hanashi | 和COS阿斯托尔福的学弟♂销售员在会场一起做爱的故事
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!)
Kouhai no Tangan-chan #6
Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course
Namaiki Kouhai Gal ni Saimin Oshioki Sex | Punishing Cheeky Kouhai Gyaru With Hypnosis Sex
Shachou no Aijin ni Sarete shimatta Kouhai no Hanashi
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4 [English] [Noraneko]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [English] [biribiri]
[Carn] Kouhai de Himatsubushi | Killing Time with the Freshman (COMIC Megastore 2012-11) [English] {darknight}
Kouhai-chan Hitorijime
(C89) [Shimanto Seiryuu (Shimanto Youta)] Senpai-kun to Kouhai-chan [English] [BSN]
(C95) [R*kaffy (Aichi Shiho)] Astolfo Cos no Kouhai ni Kokuhaku Sarete Sex Shita Hanashi (Fate/Grand Order) [Chinese] [瑞树汉化组]
(C95) [Contamination (eigetu)] Kouhai ga Yuuwaku Shite Kurunda ga (Fate/Grand Order)
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [Digital]
(COMIC1☆7) [Hi-per Pinch (clover)] Tanoshii Kozukuri Rika Jikken no Kyoukasho (Boku wa Tomodachi ga Sukunai)
[Zin Crow] Kunoichi -Seiyaku Jikken- ([Anthology] 2D Comic Magazine Kusurizuke SEX de Keiren Ahegao Acme! Vol. 2) [English] [biribiri] [Digital]
(C93) [Omoshiro Burger (Tokuda Shinnosuke)] Pote Kouhai [Chinese]
[Ziploc (Shinachiku)] Senpai to Kouhai no Nayami (Shotapetit) [English] {Shotachan} [Digital]
Kurage Musume-chan no Amaama Aigan Kouhai Nikki
Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen
(C94) [COMEX (Zhen Lu)] Kouhai no Amai Ryouhou (Fate/Grand Order)
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order) [Chinese] [无毒汉化组]
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Kouhai no Oppai ga Suki Sugiru | 我太喜欢后辈的奶子了
Enjo Kouhai 11
Akogare no Senpai ni ~Kouhai-san Honki Sex!~
[Nakamuratakumi (kemukemuke)] Chiisana Senpai to Ookina Kouhai [Chinese] {默默汉化组} [Digital]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [friggo] [Digital]
[Akitsuki Itsuki] Tousaku Saimin Jikken [Case. 2] | Perverted Hypnosis Experiment [Case. 2] (COMIC Shingeki 2021-11) [English] {defski} [Digital]
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Digital]
Dekkai Kouhai Chicchai Senpai | 大后辈小前辈
(C87) [AstroQube. (masha)] Kouhai no Tangan-chan
Kyoudai Choukyou Jikken-tai | Brother & Sister Training Experiment
[Kamukamu! (Nmasse)] Senpai, Kouhai.
[DPg] Senpai ga Uchikomu Kouhai no Hanashi (Senpai ga Uzai Kouhai no Hanashi)
Enjo Kouhai Different Clothes
[Tomato Rice] Bakunyuu de Kouhai no JK to Paizuri Suru dake
(Comic Generation) [Hisagoya (Momio)] Ichinose Shiki no Shoukibo na Jikken (THE IDOLM@STER CINDERELLA GIRLS)
Seishoku Kaihatsu Torawareta Elf no Choukyou Jikken | Sexual Development - Torture Training of Captured Elf
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [English] [biribiri] [Digital]
(C77) [Otomekibun (Sansyoku Amido.)] Gakkou de Seishun! -Kouhai mo Issho- 3 + Omake Bon
Udon-ge Ninshin Jikken | Udonge Pregnancy Experiment
[Mda Starou] Shinjin Kouhai Kiriko-san [English] [Hentai_Doctor] [Decensored] [Digital]
[B-side Swindle (Nonoki)] Yakubutsu Jikken Shippai Kanmusu Data Kakko Kari (Kantai Collection -KanColle-) [Digital]
[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]
Fuchou to Kouhai no Oshasei Jigoku
Kouhai Bon
Boku no Mash no Kouhai Ryoku
Chiramise Jouzu na Kouhai wa Bokki saseta Sekinin o Toritai!
Mad Scientist Ootori Kanae Jikken 1-3 | La científica loca Ootori Kanae capítulos 1-3
Kouhai Channel
(C93) [Labomagi! (Takeda Aranobu)] Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~
Elune no Ecchi na Jikken
Gasshukujo no Senpai Manager-tachi to -Kyuubyoudai Chinpo no Kouhai-
[Kaname (Siina Yuuki)] Jikken Jikken (Toaru Majutsu no Index) [Digital]
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order) [Chinese] [黑锅汉化组]
[Athome Shuka (Takunomi)] Enjo Kouhai IF [Digital]
Yokushu Shokushu ~Jikken~
Saitei Senpai to Demi Kouhai-chan
(C92) [Makuu Gundan (Shinozuka Atsuto)] Ganbaru Kouhai | Do Your Best, Kouhai (Fate/Grand Order) [English] [Saint Quartz Scans]
Kouhai no Tangan-chan #4
(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon
Kouhai-chan ni Eroi Koto Sareru Hon 6
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order)
[Notte] Sports danshi no junan charakei basketball danshi reokun no e-chi na igaku jikken [Chinese]
(Himadara) Ane No Ketsu De Mujun Jikken Shi Tari Shokushu No Taisei Tsukeru Tame Ni Shokushu Tsukkomu Manga
Dekkai Kouhai to Chicchai Senpai wa Mou Gaman Dekinai!
Kouhai Danshi ni Netorare SEX
Kouhai Kanojo no Seiteki na Jikken
Enjo Kouhai 10
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 2-wa [Digital]
Namaiki na Kouhai ni Chiisaku Natte Itazurao
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
[TeruTeruGirl (Amano Teru)] Hansyoku Jikken
Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 2
Watashi dake no Kouhai
[Urushiya Seitai Jikkenshitsu (Mimuda Ryouzou)] Mikakunin Shoujo Seitai Jitsuroku [Digital]
Kouhai Bon | 후배의 책
[Athome Shuka (Takunomi)] Enjo Kouhai IF [Chinese] [无毒汉化组] [Digital]
[Yuzuponz (Rikka Kai)] Homunculus 18-gou Seitai Energy Kyuushuu Tokkagata Sai Chousei Jikken Kiroku (Dragon Ball Z) [English] {doujins.com} [Digital]
(C88) [Nagiyamasugi (Nagiyama)] Hifuu Ryoujoku 4 Renko Okusuri Jikken (Touhou Project) [English] [robypoo]
Kouhai no Shitsukekata Nadametari Odoshitari ○○ shitari - | 对后辈的教育方法:可以亲切可以严厉也可以OO——
[Nyoro] Jikken-teki eroguro shokei
[ぴすたちお] Futanari Senpai x Rugby-bu Kouhai-kun