Echi Echi Kouhai-chan!
(C80) [CROSS-DO (Masakichi)] Ore no Kouhai ga Maji Shironeko! (Ore no Imouto ga Konnani Kawaii Wake ga Nai)
(C96) [Athome Shuka (Takunomi)] Enjo Kouhai 8 [Chinese] [無邪気漢化組]
Muttsuri Kouhai Mash ni Misetuketai
Akogare no Senpai ni ~Kouhai-san mo Issho!~
Ganbaru Kouhai | Do Your Best, Kouhai
[AstroQube (masha)] Kouhai no Tangan-chan #8 | Kouhai-chan the Cyclops #8 [English][Digital]
Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 2
Kanojo to Boku no Kouhai no Hanashi.
Kurage Musume-chan no Amaama Aigan Kouhai Nikki
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa [Chinese] [Kirin个人汉化] [Digital]
Ki ni Naru Kouhai no Karada
[Terasu MC] Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini
Tawawa na Kouhai-chan 2 + Tawawa na Omakebon
(C90) [High Tech Pen Case (Tam-U)] Kouhai Bon (Natsu) [Chinese] [绅士仓库汉化]
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!?
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
[Nukiashi Sashi (Kaina)] Kouhai no Momiji to Ichaicha Love Love suru Copy Bon (Touhou Project) [Digital]
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report (Resident Evil) [English] [SaHa]
Nijimon! Wakuwaku Ryona Kouhai
Kawaii Kouhai ni Otosaresou | My Cute Kouhai seems to be Depressed {Hennojin}
Enjo Kouhai 9-10
[107-byou] Kyodai Mushi no Kouhai-jou | Giant Bug's Cross Breeding Location (English) [Decensored] (Pangean)
[Takedake (Takedake)] Dekkai Kouhai to Chicchai Senpai wa Nurunuru Shitai! [Digital]
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!) [Chinese] [夢之行蹤漢化組]
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita
[Tsuchineko (Kamihara Mizuki, Yamamoto-san)] Kouhai! (K-ON!) [Digital]
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order)
Saenai Kouhai wa Bijin OL to Hitotsu ni Naru
[Saisai Saishujutsu (Papipopi)] Aotte Kuru Kouhai o Wakara Seru! (Akai Haato) [Digital]
Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi
Enjo Kouhai 10
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 5-wa [Chinese] [Kirin个人汉化] [Digital]
[Puchimaple (Hisagi)] Kouhai Danshi ni Netorare SEX 2 [Chinese] [禁漫天堂*灰羽社汉化组] [Digital]
Hiken-tai E no Kouhai Jikken
GIRL - Kouhai Kanojo Soushuuhen
Hentai Senpai to Yajuu Kouhai
Nino-san to Kaze to Yarichin Kouhai
Kouhai wa Koakumama!?
[Yakiniku Tabetai (Kurumi Moka)] Kouhai JK ga Gimai ni!? Namaiki na Imouto ni Iroiro Wakarasete Mita. [English] [Doujins.com]
[Athome Shuka (Takunomi)] Enjo Kouhai Soushuuhen 2 [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon 4
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Chinese] [沒有漢化] [Digital]
[Dibi] Otokonoko ga Kouhai ni Ijimenukareru Ero Manga
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [English] [Kizlan] [Colorized] [Digital]
(C89) [Shimanto Seiryuu (Shimanto Youta)] Senpai-kun to Kouhai-chan [English] [BSN]
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman.
Houkago no Kouhai
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
Kurojin Tenkousei ni NTRru (5) kouhai o NTR ru
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order) [Chinese] [狭間汉化组]
[Yusaritsukata (Awayume)] Kouhai wa Koakumama!? [Digital]
[ぴすたちお] Futanari Senpai x Rugby-bu Kouhai-kun
Kouhai Danshi ni Netorare SEX 2
[Ramu] Senpai and Kouhai + Extra (Original)
(C96) [Heruduki (35 Machi)] Kouhai ga! (Fate/Grand Order) [Chinese] [无毒汉化组]
[Aoi Dennou (Aoi Tiduru)] Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita [Digital]
[Mizone] OL Kentauros to Kouhai-kun (COMIC BAVEL 2017-10) [Chinese] [Kirin个人汉化] [Digital]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon 1~4 [Digital]
Fujun Isei Kouhai no Susume
(C95) [R*kaffy (Aichi Shiho)] Astolfo Cos no Kouhai ni Kokuhaku Sarete Sex Shita Hanashi (Fate/Grand Order)
Doutei no Ore ga Inma to Kouhai o Haramasechau!? | 明明是童贞却要让淫魔和后辈都怀上我的孩子!? 1-2
(C66) [Sekai Kakumei Club (Ozawa Reido)] Mesu Buta no Shiiku to Kouhai Nitsuite (Futari wa Precure)