[Hoshii Nasake] Wanko-kei Kouhai-kun no Himitsu
Saenai Heroine Series Vol. 6 Saenai Kouhai Shoujo no Sodachikata
Kawaii Kouhai ni Otosaresou | My Cute Kouhai seems to be Depressed {Hennojin}
Ore no Kouhai Kanojo ga Azatosugite Taerarenai Hon
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order) [Chinese] [CE家族社]
Enjo Kouhai - Oshiego ha Elf, Dragon, Mermaid, Werewolf
[Yamada Jirushi] Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi[中国翻译]
[Saragi (R5)] Genba no Kouhai [Digital]
(C74) [Hinaprin (Ikuta Takanon)] Hajimete no Kyouran Kazoku Keikaku (Kyouran Kazoku Nikki)
[F.A (Honoutsukai)] Rougoku Nikki (Mirai Nikki) [English] [PhantomsJoker] [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon 6
Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita
(C81) [Crazy9 (Ichitaka)] Yuki Yuno Ai no Mirai Nikki + 2011 Winter Omake (Mirai Nikki) [English] [darknight]
Kouhai Servant ga Dosukebe na Ken
Enjo Kouhai Another View
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai Different Clothes
Enjo Kouhai Soushuuhen 1 Omake
Seiteki Kachikan Gyakuten Series "Tobiori Jisatsu Shisou na Kouhai o Ecchi de Yamesaseru Hanashi"
(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)
[Inanaki Shiki] Houkago Kouhai Note | After School Mating Notes
(C93) [Omoshiro Burger (Tokuda Shinnosuke)] Pote Kouhai [Chinese]
Kouhai-chan wa Ijiritai!
[Shukketsu Kansatsu Nikki (HemoglobinA1C)] おかわり (Touhou Project) [Digital]
Yandere Kouhai Kyouiku Disciplining Yandere Colleague
[Athome Shuka (Takunomi)] Enjo Kouhai 5 [Digital]
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order) [English] [NHNL]
Enjo Kouhai IF
[Cat Street (Miiru)] Gohoushi Nikki ~Yuno wa Ore no Yome~ | Slave Diary ~Yuno is my bride~ (Mirai Nikki) [English] [EHCOVE]
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [Chinese] [沒有漢化] [Digital]
[Kikunosukemaru] Senpai Kouhai Danjo Jijou | Senpai Kouhai a Man and Woman's Circumstances (COMIC Anthurium 024 2015-04) [English] [Danicco]
(C96) [Athome Shuka (Takunomi)] Enjo Kouhai 8 [Chinese] [無邪気漢化組]
Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini
Kyodai Mushi no Kouhai-jou
[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]
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order) [English] [constantly]
Ijiwaru de Amaama ~Kouhai Kanojo ni Tekoki de Aisarereru Ohanashi~
Uruwashiki Shangri-La de Kyousei Kouhai
Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate
[Milk Server (Kurikama)] Zenkoku Kusshi no Ace de Nonke no Ore ga Kouhai no Namaiki Kozou-tachi ni Dildo to Chinpo ni Kusshi Milk Shashutsu Nikubenki ni Kanraku | 全国屈指可数的棒球王牌教练被小屁孩调教成肉便器 [Chinese] [蓝调个人汉化]
(C93) [MARCH (Minakuchi Takashi)] Boku no Mash no Kouhai Ryoku (Fate/Grand Order)
[Yakiniku Tabetai (Kurumi Moka)] Kouhai JK ga Gimai ni!? Namaiki na Imouto ni Iroiro Wakarasete Mita. [English] [Doujins.com]
Tawawa na Kouhai-chan 3
GIRL - Kouhai Kanojo Soushuuhen
(C92) [SSB (Maririn)] Kojin Satsuei 19-sai Kareshi Mochi Kouhai-kei Kyonyuu Layer (Fate/Grand Order)
[Yusaritsukata (Awayume)] Kouhai wa Koakumama!? [Digital]
Namaiki na Kouhai ni Chiisaku Natte Itazurao
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]
Sousakan Saya Zombie tono Kouhai Jikken
Kanojo to Boku no Kouhai no Hanashi.
[Toitoikai (Toitoi)] Natsu, Asedaku no Kouhai to (Fate/Grand Order) [Digital]
(Puniket 22) [Ware PON! (KONKON)] Kyouran Pair Diary (Kyouran Kazoku Nikki)
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night)
Kouhai Sensou Zenpen | Kouhai War First Part
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [Digital]
Kouhai no Ashi de Onanie shitara Mecha Kucha Kimochi Yokatta Hanashi
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 2-wa [Digital]