[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Kouhai-san Honki Sex!~
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho (Biohazard | Resident Evil)
(C93) [Omoshiro Burger (Tokuda Shinnosuke)] Pote Kouhai [Chinese]
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order)
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
Ura Mash NTR -Junsui na Kouhai ga Kyokon Gaijin ni Netorarete Boku o Ijimeru Akujo ni Naru made-
Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate
Josou saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon
Enjo Kouhai Interlude
Kouhai-kun no Okazu ni Naru Onnanoko
Dekkai Kouhai to Chicchai Senpai wa Nurunuru Shitai!
(COMIC1☆6) [Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou | My Cute Kouhai seems to be Depressed [English] {Hennojin}
Suiei-bu no Kouhai-tachi to Mizuzeme Ecchi Shimakuru Ohanashi -
Uchi no Megane no Niau Tayoreru Kouhai ga Totemo Kawaii!
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order) [English] [constantly]
[Negative Gang] Nandemo Iinari ni Naru Kouhai wa Suki desu ka? (Zenpen)
[Ramu] Senpai and Kouhai + Extra (Original)
[Rivajima (Yajima Index)] Mata Kouhai ni Buruma Kisasete Oshiri no Ana made... Senpai wa Mou Dame desu! (Amagami)
Kouhai ni Odosarete
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order)
[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]
[Zenra QQ] Fellatio Kouhai, Otouto ni naru
[Athome Shuka (Takunomi)] Enjo Kouhai 5 [Digital]
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [English] [biribiri] [Digital]
Do-S Kouhai no Sundome Seme
Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi
Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini
Bakunyuu de Kouhai no JK to Paizuri Suru dake
NTR Kanojo ~Yandere Kouhai ni Futanari-ka Saserarete Kairaku Ochi Saserareta Onna~
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [嗶咔嗶咔漢化組]
Ishu Kouhaiguusha -Mushi to Kemono to Hachuurui-
Enjo Kouhai - Oshiego ha Elf, Dragon, Mermaid, Werewolf
[Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order) [Chinese] [空中貓製作室 & 不咕鸟汉化组] [Digital]
Kouhai no Amai Ryouhou | My Junior’s Lovey-Dovey Treatment
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
Kouhai no Tangan-chan #8
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night)
(C99) [Mokkouyou Shoujo (Mishima Psycho)] Ore no Kawaii Kouhai ga Konnani Netorareru Wake ga Nai (Fate/Grand Order)
[Sakeitiba (Samon Shiu)] Riyuu wa Fumei daga Ecchi Shite Kureru Kouhai 2 [English] [mysterymeat3] [Digital]
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
Kanojo to Boku no Kouhai no Hanashi.
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2
Natsu no Hi, Kouhai to, Bus-tei de. | On a Summer Day, with My Kouhai, at the Bus Stop.
Kawaii Kouhai ga Shiboritoru no o Yamete Kurenain desu.
[Aosagi no Mizuumi] Mesu Ochi Eigyou Kachou Kouhai Shain wa, Echiechi Otokonoko
Otaku no Boku to Iikanjidatta Kuro Gyaru Kouhai wo Netorareru Mini
Kyodai Mushi no Kouhai-jou
(C66) [Sekai Kakumei Club (Ozawa Reido)] Mesu Buta no Shiiku to Kouhai Nitsuite (Futari wa Precure)
[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [Digital]
[AstroQube. (masha)] Kouhai no Tangan-chan | Kouhai-chan the Mono-Eye Girl [English] [Digital]
Koisuru Kouhai no Manga
[Danimaru] Machikirenai Kouhai Kanojo Tsujinaka-Chan (COMIC Anthurium 2022-02) [English] [HornyPanas] [Digital]