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]
Echi Echi Kouhai-chan!
[Negative Gang] Nandemo Iinari ni Naru Kouhai wa Suki desu ka? (Zenpen)
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
(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]
Kyodai Mushi no Kouhai-jou | Giant Bug's Cross Breeding Location
Kouhai no Ashi de Onanie shitara Mecha Kucha Kimochi Yokatta Hanashi | 發現用後輩的腳自慰真的好舒服的故事
Kouhai Jikken | Mating Experiment
Futanari Kouhai ni Onaho Tsukai Sareru ki ga Suru
Dosukebe Kouhai no Nenmaku Houshi Ryokan | 骚货后辈的黏膜服务旅馆
Enjo Kouhai Soushuuhen 1
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [翠星石汉化] [Digital]
Sample H0539 Kouhai Report
Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~
Enjo Kouhai 5 | 원조교배5
Dekkai Kouhai to Chicchai Senpai wa Mou Gaman Dekinai!
✦Kakusi Hikyou✦ Kouhai Suraimu no Doukutu
Do-S Kouhai no Sundome Seme
Otokonoko ga Kouhai ni Ijimenukareru Ero Manga no Tsuzuki
Enjo Kouhai 9
[Masamune Kokichi (Matsu Takeshi)] Dekkai Kouhai Chicchai Senpai | 大后辈小前辈 [Chinese] [黑夜汉化组] [Digital]
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [English] [cc0dykid]
Nijimon! Wakuwaku Ryona Kouhai
Enjo Kouhai 10
C94 Omakebon Uzai Kouhai wa Pakoritai!
Kouhai no Tangan-chan
Masaka Ano Kawaii Kouhai ni Nekomi o Osowareteita nante
Shota Teitoku wa Senpai no Kouhai no Mono yo
[Kaiduka] Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo? [Digital]
Shouganai naa Kono Hentai Uzai Kouhai
Petit Namaiki na Kouhai JK no Mizuzeme Genkai Kaihatsu Nikki | 小不点傲慢后辈JK的水中虐待限界开发日记