[Ichiko] Izanai (Fujun Isei Kouhai no Susume) [English] =White Symphony= [Digital]
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[Dokuneko Noil] yotta daigaku no kouhai o turekonde warui koto o suru hanashi
[Kitsune (Tachikawa Negoro)] Ryo-chin Kouhai dayo! Saki-chin「Kouei desu!!」 (THE iDOLM@STER SideM)
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order)
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
[Seikatsu Seshishou (tt)] Kouhai to! [Digital]
[Yamada Jirushi] Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi[中国翻译]
[Anthology] Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol.1 [Digital]
[Arakureta Monotachi (Arakure)] Shortcut de Megane no Niau Hitonatsukoi Beit no Kouhai ga Yarichin Douryou no Kuruma de Okurarete kara Mudankekkin Shiteiru + Omake [Digital]
[Marshmallow Balloon (Kayumidome)] Shota Teitoku wa Senpai no Kouhai no Mono yo (Kantai Collection -KanColle-)
[Kikunosukemaru] Senpai Kouhai Danjo Jijou | Senpai Kouhai a Man and Woman's Circunstances (COMIC Anthurium 024 2015-04) [English] [Danicco]
Ore no Kouhai no Kyuuai ga Kawaisugiru Ken ni Tsuite.
(C90) [Shimanto Seiryuu (Shimanto Youta)] Kouhai-chan Ki o Tsukete! [English] [BSN]
(COMITIA109) [Shimoboard (Shimosan)] Kouhai-san-tachi. To no Natsu
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] {Mant} [Digital]
[AstroQube (masha)] Kouhai no Tangan-chan #3 | Kouhai-chan the Mono-Eye Girl #3 [English] [Digital]
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Riyuu wa Fumei daga Ecchi Shite Kureru Kouhai
[Mutou Koucha] Tomodachi no Youna Otaku Kouhai to Deisui Ecchi [English] [Digital]
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order)
Tako Musume to Tangan Musume ga XX Suru dake.
Tomodachi no Youna Otaku Kouhai to Deisui Ecchi
kouhai rapes senpai [himawari no tane] (short version)
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
Kouhai Sensou Zenpen | Kouhai War First Part
[Eight Beat (Itou Eight)] Anegohada Hitozuma Hitomi (32-sai) ~Daigaku Jidai no Kouhai ni...~ [English] [CGrascal]
[AstroQube. (masha)] Kouhai no Tangan-chan #5 | Kouhai-chan the Mono-Eye Girl #5 [English] [Digital]
(C84) [Graf Zeppelin (Ta152)] Ore no Kouhai mo Imouto mo Kanojo de Bitch de Nikudorei. (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
Do-S Kouhai no Sundome Seme
(C90) [AstroQube. (masha)] Kouhai no Tangan-chan #4
Enjoy Kouhai Links
(C95) [R*kaffy (Aichi Shiho)] Astolfo Cos no Kouhai ni Kokuhaku Sarete Sex Shita Hanashi (Fate/Grand Order) [Chinese] [瑞树汉化组]
Kawaii x Kouhai ch.1
Itsumo wa Rikutsuppokute Kanjou ga Nasasou na Kouhai-chan nanoni
Ishukouhai Kiroku
[Athome Shuka (Takunomi)] Enjo Kouhai 7 [Digital] [Chinese] [无毒汉化组]
[Akuheki (Barakey)] Mikai no Chi de Hirotta Nazo Gengo Tangan-chan o Maid to Shite Yatotte Icha Love suru Hon 4 [Digital]
Shouganai naa Kono Hentai Uzai Kouhai
[Masamune Kokichi (Matsu Takeshi)] Dekkai Kouhai Chicchai Senpai | 大后辈小前辈 [Chinese] [黑夜汉化组] [Digital]
(C95) [Kuma no Ana (Shirokuma A)] Gudako to Dosukebe Kouhai no Futanari Jijou (Fate/Grand Order)
[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]
[Cyber F] Kaizou Gakuen 「Kouhai」| Modification Academy 5 "Kouhai" [English]
[Mimics (Crimson)] Koakuma na Kouhai no Les Dorei ni Sareta Majime na Fuuki Iinchou
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai Different Clothes [Chinese]
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni ♥♥ Sarechau Hon [2018-08-26]
(C90) [Shimanto Seiryuu (Shimanto Youta)] Kouhai-chan Ki o Tsukete!
Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
Shouwaru na Kouhai ni Gyakushuu Sex! Ijimekko wa Boku no Iinari Seishori Gakari!
(C95) [Contamination (eigetu)] Kouhai ga Yuuwaku Shite Kurunda ga (Fate/Grand Order)
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Chinese] [无毒汉化组] [Digital]
Kouhai Channel | 후배 채널
Dekkai Kouhai to Chicchai Senpai wa Mou Gaman Dekinai!
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Digital]
Sounyuu tteru kedo, Bare tenai yone?~ Kouhai Couple no Tonari de Takunomi Ecchi
(COMIC1☆6) [Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou | My Cute Kouhai seems to be Depressed [English] {Hennojin}
Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi
Uruwashiki Shangri-La de Kyousei Kouhai
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru.
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order)
Koakuma na Kouhai no Les Dorei ni Sareta Majime na Fuuki Iinchou
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [Digital]