[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [Digital]
Ijiwaru de Amaama ~Kouhai Kanojo ni Tekoki de Aisarereru Ohanashi~
(C92) [Makuu Gundan (Shinozuka Atsuto)] Ganbaru Kouhai (Fate/Grand Order) [Chinese] [黑锅汉化组]
Fellatio Kouhai, Otouto ni naru
(C97) [Wakusei Nostalgia (Tokiwa Midori)] Iza Mankai! Kouhaku Yoridori Chichi Zakura (Fate/Grand Order) [Chinese] [空中貓製作室 & 不咕鸟汉化组]
[Eight Beat (Itou Eight)] Anegohada Hitozuma Hitomi (32-sai) ~Daigaku Jidai no Kouhai ni...~
Fujun Isei Kouhai no Susume
Mujikaku Service Shite Kureru Kouhai no Imouto-chan
(C89) [Shimanto Seiryuu (Shimanto Youta)] Senpai-kun to Kouhai-chan
Do-S Kouhai no Sundome Seme
(C94) [COMEX (Zhen Lu)] Kouhai no Amai Ryouhou | My Junior’s Lovey-Dovey Treatment (Fate/Grand Order) [English] {darknight}
[Athome Shuka (Takunomi)] Enjo Kouhai Swimming Costume [Chinese] [Digital]
Akogare no Senpai ni ~Kouhai-san mo Issho!~
Kouhai-chan ni Eroi Koto Sareru Hon 4
[Sahara Wataru] Anemone (ANGEL Club 2015-07) [Chinese] [义军AneMoe]
Kouhai Sensou Zenpen
(Ossan Paradise) [Himajinism (Hawa)] Gaten-oyaji no Kouhai-shidou
Big Tits Downer Kouhai GF, Mayuki Kosaki chan
Kouhai to Onee-san ni Shinpai Kakecha Dame!
[Ribons Nights (Kyouno Aki)] Kawaii Kouhai [Digital]
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order)
[Aosagi no Mizuumi] Mesu Ochi Eigyou Kachou Kouhai Shain wa, Echiechi Otokonoko
Boku wa Kouhai no Onahole
Ahoppoi Kouhai o Muriyari Osottara Gyakuni ○ Sareta
Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen
Sounyuu tteru kedo, Bare tenai yone?~ Kouhai Couple no Tonari de Takunomi Ecchi
[AstroQube (masha)] Kouhai no Tangan-chan #3 | Kouhai-chan the Mono-Eye Girl #3 [English] [Digital]
Iza Mankai! Kouhaku Yoridori Chichi Zakura
Echi Echi Kouhai-chan!
[Negative Gang] Nandemo Iinari ni Naru Kouhai wa Suki desu ka? (Zenpen)
Otona no Douwa ~Aladin to Mahou no Lamp | Adult Fairy Tale ~ Aladdin And The Magic Lamp
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
Kouhai ga!
(C79) [Iron Plate (Yaki Ohagi)] Ore no Kouhai ga Konna ni Eroi (Fate/stay night)
Kouhai Kanojo Tsujinaka-chan no Oshioki
Bosei to Insei Regular no Za o Ubatta Kouhai ni Hahaoya no Karada made Ubawareta Ken
Enjo Kouhai 12
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order) [Chinese] [花火汉化组]
Akogare no Senpai ni ~Kouhai-san Honki Sex!~
[Modae Tei] DraQue Monster Joukan ~Slime Jou no Purupuru Zen Ana Kouhai~ (Dragon Quest Monsters) [Digital]
Sample H0539 Kouhai Report
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
Riyuu wa Fumei daga Ecchi Shite Kureru Kouhai 2
[Dokuneko Noil] yotta daigaku no kouhai o turekonde warui koto o suru hanashi
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order)
Josou saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon
(C93) [LeimkissA (Nekohane Ryou)] Kawaii Kouhai ga Shiboritoru no o Yamete Kurenain desu. (Fate/Grand Order)
[Ichiko] Fujun Isei Kouhai no Susume | 不純異性交配的好推薦 [Chinese]
[AstroQube. (masha)] Kouhai no Tangan-chan #5 | Kouhai-chan the Mono-Eye Girl #5 [English] [Digital]
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5 [English] [Noraneko]