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!
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"
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
(C94) [Morimiyakan (Morimiya Masayuki)] Natsu no hi, kouhaito, basutei de.
Dekkai Kouhai to Chicchai Senpai
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
[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]
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
Kouhai to Onee-san ni Shinpai Kakecha Dame!
(C94) [Majimadou (Matou)] Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru. (Fate/Grand Order)
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [无毒汉化组]
Natsu no Hi, Kouhai to, Bus-tei de. | On a Summer Day, with My Kouhai, at the Bus Stop.
Suiei-bu no Kouhai-tachi to Mizuzeme Ecchi Shimakuru Ohanashi -
(C77) [Otomekibun (Sansyoku Amido.)] Gakkou de Seishun! -Kouhai mo Issho- 3 + Omake Bon
Sekai de Ichiban Bonyuu ga Deru Rugby-bu Captain desu ga, Kouhai to 69 Suru no wa Hen deshou ka?
Boku no Koe o Kiku dake de Hatsujou Shichau Yandere Kyonyuu Kouhai ni Karada o Irekaerarete Shimatta!
Bukatsu no kouhai wa otoko no musume
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2
Kouhai ga Bakunyuu de Ero Sugiru Ken ni Tsuite | 有關學妹的爆乳過於色情的這件事
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Chinese] [Digital]
[Ichiko] Fujun Isei Kouhai no Susume [Digital]
Charai Kouhai ga Kawaii Onna ni Me Sametara. ~Ba Bi Niku Tokkun wa Mitsu no Aji~
[Kamino Ryuuya] Kawaii x Kouhai Ch. 1 [English] {Genesis Translations}
Enjo Kouhai 8
[Tsuchineko (Kamihara Mizuki, Yamamoto-san)] Kouhai! (K-ON!) [Digital]
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order)
[Yuunagi no Senryokugai Butai (Nagi Ichi)] Kouhai-kun wa, Oreiro Hiyake Shounen! [English] {CapableScoutMan} [Digital]