Kouhai Otokonoko to Sugosu Amai Hitotoki
Deka Chichi Terrorist no Kousei Kouhai Jikken
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order) [Chinese] [兔司姬漢化組]
[Toufu Insider] Enjoy Saimin Appli!
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Digital]
Kouhai no Tangan-chan
(C88) [ENJOY MIX (Tokiai Haya)] Suika Saijaku no Sekai (Touhou Project) [Chinese] [樱丘汉化组]
[Yuzuha] Lunch Time no Kouhai (COMIC Anthurium 2018-05) [English] {NecroManCr} [Digital]
Saenai Heroine Series Vol. 6 Saenai Kouhai Shoujo no Sodachikata
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa [Digital]
Futanari Senpai x Rugby-bu Kouhai-kun
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 2 [English] [Juggernaut Santa]
Watashi dake no Kouhai
Aotte Kuru Kouhai o Wakara Seru!
(C76) [OTOMEKIBUN (Sansyoku Amido.)] Gakkou de Senshun! -Kouhai mo Issho- 2
Kyodai Mushi no Kouhai-jou | Giant Bug's Cross Breeding Location
C94 Omakebon Uzai Kouhai wa Pakoritai!
(Unison In 3) [ENJOY MIX (Tokiai Haya)] Otona no Asobi Oshiete Kudasai (Mahou Shoujo Lyrical Nanoha)
Saenai Kouhai wa Bijin OL to Hitotsu ni Naru
Kouhai JK ga Gimai ni!? Namaiki na Imouto ni Iroiro Wakarasete Mita.
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai―3wa
Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita
Kouhai wa Koakumama!? | My Clubmate's a Little Devil!
Kouhai Servant ga Dosukebe na Ken
Seiteki Kachikan Gyakuten Series "Tobiori Jisatsu Shisou na Kouhai o Ecchi de Yamesaseru Hanashi"
(Shuuki Reitaisai 6) [ENJOY MIX (Tokiai Haya)] Suika-san wa Amayakashi Tsuma (Touhou Project)
Tomodachi no Youna Otaku Kouhai to Deisui Ecchi
Kouhai to Ko-hai | 후배랑 후배위
(C79) [Iron Plate (Yaki Ohagi)] Ore no Kouhai ga Konna ni Eroi (Fate/stay night)
(C87) [Aroma Terrace (Niki)] Kouhai-chan to Asa kara Nyan Nyan [Chinese] [oo君の個人漢化]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [friggo] [Digital]
Kouhai Nude Model ni Gaman ga Dekinai!
Enjo Kouhai 12
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Akogare no Anoko wa Boku no Chinkasu Soujiki - 14
Dekkai Kouhai to Chicchai Senpai
[Ashiomi Masato] Dear Voice (PINKS LINKS) [Chinese]
Doutei no Ore ga Inma to Kouhai o Haramasechau!? | 明明是童贞却要让淫魔和后辈都怀上我的孩子!? 1-4
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [English] [Digital]
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order)
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
Maid to Kouhai Dochira ga Okonomi? | MAID vs KOUHAI: Which Do You Prefer?
Enjo Kouhai IF
(C99) [Haitokukan] Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate (Touhou Project) [Chinese]
[Hoshii Nasake] Wanko-kei Kouhai-kun no Himitsu
Kouhai Refle
Namaiki na Kouhai ni Chiisaku Natte Itazurao
Enjo Kouhai 11
[Ichiko] Fujun Isei Kouhai no Susume | 不純異性交配的好推薦 [Chinese]
(C88) [Chronicle (Fukunaga Yukito)] Kirara-chan to Enjoy! (Go! Princess PreCure)
Enjo Kouhai Interlude
(Reitaisai 10) [Maruiro Kikou (846gou)] OL Megane Yuugi to Kouhai ga Zukkon Bakkon Suru Hon (Touhou Project)
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
(C86) [chested (Toku)] Amai Yume o Meshiagare | Enjoy the Sweet Dream! - The Secret Menu of Wagashiya Homura (Love Live!) [English] {Hennojin}
[Pon Takahanada] Milky Pai Land - Enjoy Milky Heaven!
Kouhai to Onee-san ni Shinpai Kakecha Dame!
(C94) [Majimadou (Matou)] Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru. (Fate/Grand Order)
[Chin Tokusyu] Chijoshikousei - Let's enjoy foot job!
(C55) [Hime Club (Kirikaze, Koumori Kaijin)] Genei (Outlaw Star)