Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
Shouganai naa Kono Hentai Uzai Kouhai | If you insist, Annoying and Perverted Kouhai
Boku no Kawaii Dekiru Kouhai
[Ichiko] Izanai (Fujun Isei Kouhai no Susume) [English] =White Symphony= [Digital]
Shikikan no Natsuyasumi
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5 [English] [Noraneko]
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] {Mant} [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon3
Bukatsu no kouhai wa otoko no musume
[Shiomaneki] Mizugi no Chikara | The Power of Swimsuits (Bishoujo Kakumei KIWAME 2011-10) [English] {desudesu}
Kouhai no Tangan-chan #6
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
[Circle Eden (Diisuke)] Onsen de Boin-Boin Aneki-tachi ni Bokki o Misetsukeru Hon (Touhou Project) [Digital]
(C79) [inspi. (Izumi Rin)] Ore no Kouhai ga konna ni kawaii wake ga nai (Ore no Imōto ga Konna ni Kawaii Wake ga Nai)
Kouhai Kanojo no Seiteki na Jikken
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [翠星石汉化] [Digital]
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
[Inanaki Shiki] Houkago Kouhai Note | 放課後交配筆記本 [Chinese]
Lust Order ~Beast-kei Marshmallow Kouhai~
Kouhai JK ga Gimai ni!? Namaiki na Imouto ni Iroiro Wakarasete Mita.
Kouhai Sensou Kouhen
Enjo Kouhai In The Closet
Kouhai ni kokuhaku shitara ~after~
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Digital]
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 2 [English] [Doujins.com]
Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight
[Inanaki Shiki] Houkago Kouhai Note
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
Enjo Kouhai 10
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa [English] [FC] [Digital]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [English] [biribiri]
Machikirenai Kouhai Kanojo Tsujinaka-Chan
Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking
Echi Echi Kouhai-chan!
Dekkai Kouhai to Chicchai Senpai wa Mou Gaman Dekinai!
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]
[Athome Shuka (Takunomi)] Enjo Kouhai 7 [Digital]
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa)
Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo? | 你看你看前輩學長♥這裡有可愛的後輩小學妹在這裡喔?
[Shinozuka Atsuto] Muramura Kouhai-chan | Hot and Bothered Junior (COMIC HOTMILK 2018-12) [English] {NecroManCr} [Digital]
Kouhai Futari ni Chinpo o Omocha ni Sareru Doutei-kun
[Shiomaneki] Toppatsusei Inkou Shoukougun - Sudden Sexual Acts Syndrome Ch. 1 [English] [Lhytiss]
Fuchou to Kouhai no Oshasei Jigoku
Kouhai no Oppai ga Suki Sugiru | 我太喜欢后辈的奶子了 Ch. 1-2
[Yuunagi no Senryokugai Butai (Nagi Ichi)] Kouhai-kun wa, Oreiro Hiyake Shounen! [Chinese] [Digital]
Ganbaru Kouhai | Do Your Best, Kouhai
(SC33) [Teruo Haruo (Kanekiyo Miwa)] Negi Chari! 8 (Mahou Sensei Negima!) [English]
(COMIC1☆12) [Junpuumanpandou (Hida Tatsuo)] Uchi no Megane no Niau Tayoreru Kouhai ga Totemo Kawaii! (Fate/Grand Order)
(CR31) [Teruo Haruo (Kanekiyo Miwa)] Ani to Imouto
[Shiomaneki] Himitsu No Hizumi [Digital]
[Seikatsu Seshishou (tt)] Kouhai to! [Digital]
Shokushu Kyousei Kouhai