Echi Echi Kouhai-chan!
(C94) [Majimadou (Matou)] Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru. (Fate/Grand Order)
Fuchou to Kouhai no Oshasei Jigoku
[Shomu] Josou Kouhai-kun x Otokogirai-chan | Crossdressed Kouhai-kun x Man-Hater -chan (COMIC Shingeki 2016-06) [English] [N04H]
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2
Kouhai-chan ni Eroi Koto Sareru Hon3
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order)
[Ichiko] Fujun Isei Kouhai no Susume [Digital]
Natsu, Asedaku no Kouhai to
Kanojo to Boku no Kouhai no Hanashi. ch.1-4
Suiei-bu no Kouhai-tachi to Mizuzeme Ecchi Shimakuru Ohanashi -
(COMIC1☆13) [Kurokami Studio S (Mukouhara Shiryu)] Vtuber ni Gachi Koi Shitara Ikan no ka (Virtual YouTuber)
Gakkou de seishun! Full Colour Collection
[Arakure] Jelly Multiplication (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] [biribiri] [Digital]
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
Hiken-tai E no Kouhai Jikken
[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]
Kouhai Missed Memories
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa [Digital]
Uruwashiki Shangri-La de Kyousei Kouhai
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
(C82) [Statice (Yurihara Aki)] Oasis Crisis (Magi: The Labyrinth of Magic)
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [无毒汉化组]
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order) [Chinese] [黑锅汉化组]
Rikutsuppoi Kouhai-chan to Rikutsunuki de Majiwaru made no Hanashi
Kanojo to Boku no Kouhai no Hanashi.
Gesuna Kouhai to no SEX ga kimochi Yokute Mukatsuku. | 超邪惡後輩的SEX是可愛又迷人的反派角色 1
Kouhai Sensou Zenpen
[Arimura Daikon] Saikin Senpai ni Kamatte moraete inai Kouhai Nasubi-chan (Fate/Grand Order) [Chinese] [新桥月白日语社]
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order)
Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight
(C78) [LeimkissA (Nekohane Ryou)] Kouhaku Tenchuu (Touhou Project)
[Aladdin] MMA Fight2
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Digital]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa
(C79) [inspi. (Izumi Rin)] Ore no Kouhai ga konna ni kawaii wake ga nai (Ore no Imōto ga Konna ni Kawaii Wake ga Nai)
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 4-wa [Chinese] [肉包汉化组] [Digital]
(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]
Pote Kouhai
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5 [Chinese] [夢之行蹤漢化組]
Namaiki Kouhai Gal ni Saimin Oshioki Sex | Punishing Cheeky Kouhai Gyaru With Hypnosis Sex
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [English] [biribiri] [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon 4
Uruwashiki Shangri-La de Kyousei Kouhai
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night) [Chinese]
Futaba Chiru
Etchi Etchi Kouhai-chan
Enjoy Kouhai Links 3
Boku no Tanetsuke Gakkou Seikatsu 2 ~Tosho Iin no Kouhai Hen~
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 7-wa [Digital]
(C91) [Athome Shuka (Takunomi)] Enjo Kouhai [English] [biribiri]
Risei 0 Kouhansen | Sanity 0 Second Half
Ki ni Naru Kouhai no Karada
[Labomagi! (Takeda Aranobu)] Netorare Kouhai Kanojo 3 ~Kairaku o Kasane Musaboru Kokoro to Shitai~ | Netorare Junior Girlfriend 3: A Body and Mind Craving Pleasure [English] {2d-market.com} [Decensored] [Digital]
Kouhai Danshi ni Netorare SEX 2
Enjo Kouhai 10
(C87) [Wakusei-teki Shukou (Yutakame)] Kouhaku Kimidori x Toru | White Red Yellow Green x Toru (Hitsugi no Chaika) [English] {doujin-moe.us}