[Maihara Matsuge] Kouhai Shidou (COMIC ANGEL Club 2011-08)
(COMIC1☆11) [Daifuku (Shouki)] Hiken-tai E no Kouhai Jikken (El Shaddai: Ascension of the Metatron)
[Okayushop (Okayu)] Futaba Chiru (Senpai ga Uzai Kouhai no Hanashi) [Digital]
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [English] [Kizlan] [Colorized] [Digital]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [嗶咔嗶咔漢化組]
Kouhai no Tangan-chan
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order) [Chinese] [CE家族社]
[Rasahan] Kawaii Kouhai no Tame Naraba…? | For The Sake of My Cute Junior…? (Girls forM Vol. 06) [English] {Hennojin}
[Yuunagi no Senryokugai Butai (Nagi Ichi)] Kouhai-kun wa, Oreiro Hiyake Shounen! [Digital]
[Takedake (Shinshuu Takedake)] Dekkai Kouhai to Chicchai Senpai wa Issho ni Itai! [Digital]
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni Sarechau Hon [Chinese] [绅士仓库汉化] [2018-08-26]
Ishukouhai Kiroku
Enjo Kouhai Another View
Shouganai naa Kono Hentai Uzai Kouhai
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [翠星石汉化] [Digital]
(COMITIA130) [Arakureta Monotachi (Arakure)] Shortcut de Megane no Niau Hitonatsukoi Beit no Kouhai ga Yarichin Douryou no Kuruma de Okurarete kara Mudankekkin Shiteiru [Chinese] [旧手机换不锈钢脸盆汉化组]
Kouhai wa Koakumama!? | My Clubmate's a Little Devil!
Kouhai no Tangan-chan #2
Enjo Kouhai - Oshiego ha Elf, Dragon, Mermaid, Werewolf
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
[Athome Shuka (Takunomi)] Enjo Kouhai 7 [Digital]
Kouhai Danshi ni Netorare SEX 3
(C95) [Asanebou Crisis (Akaneman)] Kouhai Nanpa Beach Luluhawa (Fate/Grand Order)
(C99) [studio A (Inanaki Shiki)] Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman. (Yahari Ore no Seishun Love Come wa Machigatteiru.)
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [English] [mysterymeat3] [Digital]
Ecchi na Kouhai-chan
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Chinese][Digital]
Kouhai Maid ga Osewa o Shite Kureru You desu | My Kouhai Maid is Looking After Me (decensored)
[ppatta] Yandere Kouhai Kyouiku | Disciplining Yandere Colleague [English] [Digital]
Enjo Kouhai 9
(C93) [Killcy] Kouhai Servant ga Dosukebe na Ken (Fate/Grand Order) [Chinese] [CE家族社]
(C92) [SSB (Maririn)] Kojin Satsuei 19-sai Kareshi Mochi Kouhai-kei Kyonyuu Layer (Fate/Grand Order)
Kouhai Danshi ni Netorare SEX 2
Hatsujou Kouhai
[Mutou Koucha] Tomodachi no Youna Otaku Kouhai to Deisui Ecchi [Chinese] [绅士仓库汉化] [Digital]
Deka Chichi Terrorist no Kousei Kouhai Jikken
(C94) [Ofuton] Kouhai Refle (Fate/Grand Order)
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night)
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman.
(C92) [SSB (Maririn)] Kojin Satsuei 19-sai Kareshi Mochi Kouhai-kei Kyonyuu Layer (Fate/Grand Order) [Chinese] [无毒汉化组]
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] {Mant} [Digital]
[Athome Shuka (Takunomi)] Enjo Kouhai 12 [Digital]
Etchi Etchi Kouhai-chan
Tawawa na Kouhai-chan 2 + Kaijou Gentei Omakebon
Rikutsuppoi Kouhai-chan to Rikutsunuki de Majiwaru made no Hanashi
Kouhai-chan Ki o Tsukete!
Kouhai-kun wa Kanari Choroi
[Danimaru]Kouhai Kanojo Tsujinaka-chan no Oshioki[Chinese][两面包夹汉化组]
Enjo Kouhai 11
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru.
[Puchimaple (Hisagi)] Kouhai Danshi ni Netorare SEX 3 [Digital]
[Shishi Juuroku] Kouhai ni Shidou Suru Momiji-chan (Touhou Project)
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]