(C99) [Haitokukan] Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate (Touhou Project) [Chinese]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 8-wa [Digital]
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman.
[Taihei Tengoku] Enjyo-Kosai [Chinese]
Rikutsuppoi Kouhai-chan to Rikutsunuki de Majiwaru made no Hanashi
[Tomato Rice] Bakunyuu de Kouhai no JK to Paizuri Suru dake
Dekkai Kouhai to Chicchai Senpai
Tawawa na Kouhai-chan 2 + Kaijou Gentei Omakebon
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order) [Chinese] [无毒汉化组]
Kouhai wa Koakumama!?
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
[AstroQube. (masha)] Kouhai no Tangan-chan [Chinese] [路过的骑士汉化组] [Digital]
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
[Athome Shuka (Takunomi)] Enjo Kouhai 5 [Digital]
[Eight Beat (Itou Eight)] Anegohada Hitozuma Hitomi (32-sai) ~Daigaku Jidai no Kouhai ni...~ [English] [CGrascal]
(COMITIA109) [Shimoboard (Shimosan)] Kouhai-san-tachi. To no Natsu
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order) [English] [CGrascal]
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!) [Chinese] [夢之行蹤漢化組]
Saenai Kouhai wa Bijin OL to Hitotsu ni Naru
[Arimura Daikon] Saikin Senpai ni Kamatte moraete inai Kouhai Nasubi-chan | Lately Senpai Hasn't Been Paying Much Attention To His Kouhai Mash (Fate/Grand Order) [English] {Doujins.com}
Kouhai no Momiji to Ichaicha Love Love suru Copy Bon
[Himawari no Tane] Yuri Couple no Youji Taikou Junyuu Omorashi Amayakashi H + Bukatsu no Senpai o Seiteki ni Amayakasu Kouhai-chan
Enjo Kouhai 9
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai 6 [Chinese] [无毒汉化组]
Enjoy Kouhai Links 3
Kouhai Nanpa Beach Luluhawa
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa [Digital]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [嗶咔嗶咔漢化組]
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [Digital]
Josou Saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon (FateGrand Order) (machine translated)
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [Colorized] [Digital]
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [Chinese] [兔司姬漢化組]
Fellatio Kouhai, Otouto ni naru- Felacion-kun, mi compañero menor, se ha convertido en mi hermano
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 4-wa
Lust Order ~Beast-kei Marshmallow Kouhai~
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa)
[Shioroku] Mahiru Hime (Kanojo to Boku no Kouhai no Hanashi.) [Chinese] [劍人某个人汉化]
(C79) [inspi. (Izumi Rin)] Ore no Kouhai ga konna ni kawaii wake ga nai (Ore no Imōto ga Konna ni Kawaii Wake ga Nai)
[Raijinkai (Haruki Genia)] Tawawa no Kanzume (Getsuyoubi no Tawawa) [2018-09-01]
Muttsuri Kouhai Mash ni Misetuketai
Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate
[Kikunosukemaru] Senpai Kouhai Danjo Jijou | Senpai Kouhai a Man and Woman's Circumstances (COMIC Anthurium 024 2015-04) [English] [Danicco]
Watashi dake no Kouhai
Machikirenai Kouhai Kanojo Tsujinaka-Chan
[Shiko Neru Mix (Kauti)] Wanko-kei Kouhai Kanojo ni Muremure no Kussa~i Nioi to Chinkasu o Ajiwatte Morau [Digital]
[Saragi (R5)] Genba no Kouhai [Digital]
Enjoy Kouhai Links 2
(COMIC1☆15) [Tanuking Sleep (Dorachefu)] Dosukebe Kouhai no Nenmaku Houshi Ryokan (Fate/Grand Order)
Netorare Kouhai Kanojo
Shortcut de Megane no Niau Kawaii Beit no Kouhai no Heya ni Agarikonde Muriyari Hamedori shitatta
Netorare Kouhai Kanojo 2 ~Kairaku ni Mi o Yudane Hoteru Shitai~