(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon
Boku no Koe o Kiku dake de Hatsujou Shichau Yandere Kyonyuu Kouhai ni Karada o Irekaerarete Shimatta!
[Tsukemayuge (Yuzugin)] "Kouhai no Ashi o Mae ni Gaman Dekinakatta" nado to Kyoujutsu Shite Ori [Digital]
[Kosuke Haruhito] Ryas (Oppai no Oppai ni Yoru Oppai no Tame no Oppai) [English] [TripleSevenScans]
Kouhai Bon
[Gogo book (Itsutuse)] Ore to Imouto to Kouhai no Rankou Cosper (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [Digital]
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order) [English] [CGrascal]
Echi Echi Kouhai-chan!
Kanojo to Boku no Kouhai no Hanashi. | 女友與我的交配淫事。
Kouhai Kanojo no Seiteki na Jikken
[Athome Shuka (Takunomi)] Enjo Kouhai Swimming Costume [Chinese] [Digital]
[Nishida Megane] Sousakan Saya Zombie tono Kouhai Jikken (2D Comic Magazine Muragaru Zombie ni Okasareru Heroine-tachi Vol. 2) [Digital]
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni Sarechau Hon [Chinese] [佐倉七海个人翻訳] [2018-08-26]
Kouhai no Tangan-chan
[Puchimaple (Hisagi)] Kouhai Danshi ni Netorare SEX 2 [Chinese] [禁漫天堂*灰羽社汉化组] [Digital]
[Hadairozanmai (Mitei)] Imouto no Oppai wa Onii-chan no Tame ni Arun dakara! [Digital]
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order)
(Reitaisai 10) [Maruiro Kikou (846gou)] OL Megane Yuugi to Kouhai ga Zukkon Bakkon Suru Hon (Touhou Project)
Enjo Kouhai 9
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa
Boku no Mash no Kouhai Ryoku
[Athome Shuka (Takunomi)] Enjo Kouhai 12 [Chinese] [Digital]
Houkago no Kouhai
Kouhai Maid ga Osewa o Shite Kureru You desu
[Takedake (Takedake)] Dekkai Kouhai to Chicchai Senpai wa Nurunuru Shitai! [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)
Watashi dake no Kouhai
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order) [Chinese] [花火汉化组]
Hiken-tai E no Kouhai Jikken
(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon [English] [Crystalium]
Koukoku no Kouhai Kono Issen ni Ari, Kakuin Issou Bokki Doryoku Seyo
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
[Nigiri Usagi] Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku [Kouhen] | 被前輩教做人認清自己是雌性的後輩·續【後編】[Chinese] [天帝哥個人漢化]
(COMIC1☆4) [Misty Isle (Sorimura Youji)] Pai-Loli Extacy - Oppai Lolita Vol. 2 + Paper
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [翠星石汉化] [Digital]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [friggo] [Digital]
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai 6 [English] [biribiri]
(C96) [Heruduki (35 Machi)] Kouhai ga! (Fate/Grand Order) [Chinese] [无毒汉化组]
[AstroQube (masha)] Kouhai no Tangan-chan #5 [Digital]
Kouhai wa Koakumama!?
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa [English] [FC] [Digital]
[Morimiyakan (Morimiya Masayuki)] Kouhai Nikki. [Chinese] [Incomplete]
[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]
[Nakamuratakumi (kemukemuke)] Chiisana Senpai to Ookina Kouhai | Small Senpai and Big Kouhai [English] [CDG Scans] [Digital]
[Terasu MC] Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini
[Otake Nangoku Boys (Otake)] Oppai Momi Momu Momu!! + Oppai Momi Momu!! OB [Digital]
[Hokama Mitsuri] Kanjiru Oppai Hatsuikuchuu
Bukatsu no kouhai wa otoko no musume
My Swim-teams's Kouhai had a Sex Change and is too Slutty
Kouhai ni Shidou Suru Momiji-chan
[bose no Doujin Manga Kenkyuujo (bose)] Sasayaki no Inma ~Seisokei Bitch na Kouhai Joshidaisei ni Yoru Jinkaku Hakai Saimin~ [Chinese] [脸肿汉化组]
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night)
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order) [English] [NHNL]
Namaiki Oppai Banchou (Banka-Love) Ch. 3
[Aoi Dennou (Aoi Tiduru)] Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita [English] [Digital]
Ore no Kouhai Kanojo ga Azatosugite Taerarenai Hon
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [English] [Digital]
[Shiko Neru Mix (Kauti)] Wanko-kei Kouhai Kanojo ni Muremure no Kussa~i Nioi to Chinkasu o Ajiwatte Morau [Digital]
Josou saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon
Saitei Senpai to Demi Kouhai-chan
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order) [Chinese] [无毒汉化组]
Enjo Kouhai In The Closet