Kaisha no Kawaii Kouhai ~Ima wa Ore no Oku-san desu~
Kouhai Sensou Zenpen | Kouhai War First Part
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4
Enjo Kouhai 1-10
Senpai and Kouhai + Extra
[Kihiru] Hatsujou Kanojo Kinpatsu Kanojo [Chinese]
(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)
"Kojin Satsuei" Danshiryou Doushitsu no Doutei Houkei Kouhai o Kyousei Onanie Kyousei Shasei Satsuei Kirokushuu
Houkago no Kyoushitsu de Kouhai to Ge
(SC2018 Autumn) [ELHEART'S (Ibuki Pon)] Kawaii Kouhai ni Itazura Shite Miru Hon (Fate/Grand Order) [Chinese] [三堆木头个人汉化]
[Cyber F] Kaizou Gakuen 「Kouhai」| Modification Academy 5 "Kouhai" [English]
[Inanaki Shiki] Houkago Kouhai Note | 放課後交配筆記本 [Chinese]
Kouhai no Tangan-chan #3
Kouhai Kanojo no Seiteki na Jikken ~Futago wa Eroi Koufun ga Kyoumei shichau?~
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
[Tsukemayuge (Yuzugin)] "Kouhai no Ashi o Mae ni Gaman Dekinakatta" nado to Kyoujutsu Shite Ori [Digital]
Joushiki Henkan Switch: Namaiki na Kouhai
(C90) [High Tech Pen Case (Tam-U)] Kouhai Bon (Natsu) [Chinese] [绅士仓库汉化]
Kouhai Fuukiiin ni Yoru Furyou Senpai no Otoshikata
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [English] [Doujins.com] [Digital]
(C78) [Nounai Kanojo (Kishiri Toworu)] Remilia kara no Chousenjou (Touhou Project)
Kouhai-chan ni Eroi Koto Sareru Hon 4
(C72) [Nounai Kanojo (Kishiri Toworu)] Tsuruya-san wa Taihen na Uchuujin o Nusunde Nyoro~n (The Melancholy of Haruhi Suzumiya)
Sotsugyou no Hi made Mainichi Bus-tei de Kouhai Joshi to Sex suru Hanashi
(C74) [Nounai Kanojo (Kishiri Toworu)] Lard Girl - Shibou Shoujo Mic-chan - (Mitsudomoe)
Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
[AHOBAKA] Scylla na Kanojo no Konkatsu Jijou | A Scylla's Journey to Marriage (Hitodenashi no Kanojo) [English] =Dark Mac + CW=
[Athome Shuka (Takunomi)] Enjo Kouhai Swimming Costume [Digital]
Sekkyokuteki na Kanojo
Netorare Kanojo ~ Kanojo-tachi to Ore ga Saimin SEX Dekichau Riyuu
[Misaki (Aoi Tiduru)] Ijiwaru de Amaama ~Kouhai Kanojo ni Tekoki de Aisarereru Ohanashi~
(C75) [Nounai Kanojo (Kishiri Toworu)] Zoku Kyouran Kazoku Yawa (Kyouran Kazoku Nikki) [Digital]
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]
Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~
Kouhai-chan ni Eroi Koto sareru Hon2
[Ryu-Seki-Do (Nagare Hyo-go)] Netorare Kanojo | NTR Girlfriend (Kanojo, Okarishimasu) [English] {Doujins.com}
Kouhai ni Odosarete
Kouhai JK ni Seigangu ni Sarechau Hanashi
(C95) [Contamination (eigetu)] Kouhai ga Yuuwaku Shite Kurunda ga (Fate/Grand Order)
(SC37) [Countach (Kojiki Ouji, Shimao Kazu)] Nazo no Kanojo to SEX | Mysterious Girlfrend SEX (Nazo no Kanojo X) [English] [Chocolate]
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]
Shinjin Kouhai Kiriko-san
Dosukebe Kouhai no Nenmaku Houshi Ryokan
[Nounai Kanojo (Kishiri Toworu)] Eientei de Usagi Gari ~Jougen~ (Touhou Project) [English] [UMAD]
Dekkai Kouhai to Chicchai Senpai
Yuri Suki Kanojo Ha Yuri Kanojo Ga Dekinai
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order)
Akogare no Senpai ni ~Kouhai-san Honki Sex!~
(C83) [Fusions (h_o_t_cat)] Pet na Kanojo wo Choukyou Shite Mita (Sakurasou no Pet na Kanojo) [English] [Chooks22]
Namaiki na Kouhai ni Chiisaku Natte Itazurao
Uruwashiki Shangri-La de Kyousei Kouhai
Kouhai Channel
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa [Digital]
Kouhai Jikken | Mating Experiment
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Digital]
(C58) [Keumaya (Keuma)] Sensou Ronteki Kanojo (Saishuu Heiki Kanojo [Saikano])
Shortcut de Megane no Niau Kawaii Beit no Kouhai no Heya ni Agarikonde Muriyari Hamedori shitatta
[Hokkyoku Kikaku] Otonashii Kouhai no Onnanoko