[Ichiko] Izanai (Fujun Isei Kouhai no Susume) [English] =White Symphony= [Digital]
Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
Echi Echi Kouhai-chan!
Kouhai Feet
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order) [Chinese] [CE家族社]
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [English] [desudesu] [Digital]
[Yamazaki Umetarou] Aneman. Nee-chan no Ero Manko ga Erosugite Yabai
(C81) [Sanzoku no Uta (Takara Akihito)] Reimu-san no oppai de marisa ga yabai (Touhou Project)
[Morishima Kon, Rin] Onna no Karada de iki Sugite Yabai! 8 [Digital]
Riyuu wa Fumei daga Ecchi Shite Kureru Kouhai 2
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [Digital]
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai 6 [English] [biribiri]
[Morishima Kon, Rin] Onna no Karada de iki Sugite Yabai! 1 [Digital]
Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
NONOYABA! ~Ore no Biyaku no Kounou ga Yabai~
Kouhai ni Shidou Suru Momiji-chan
Kouhai Danshi ni Netorare SEX 2
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 7-wa [Digital]
Yabai!! Hadaka de Densha ni Notchatta
Kouhai no Oppai ga Suki Sugiru | 我太喜欢后辈的奶子了 Ch. 1-2
Watashi dake no Kouhai
Enjo Kouhai 12
[Arimura Daikon] Saikin Senpai ni Kamatte moraete inai Kouhai Nasubi-chan | Lately Senpai Hasn't Been Paying Much Attention To His Kouhai Mash (Fate/Grand Order) [English] {Doujins.com}
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
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
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [English] [biribiri]
(HaruCC18) [Caramel Macchiato (Isobe Maki)] Tonikaku Shinji-kun Yabai (Neon Genesis Evangelion)
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [Digital]
Boku no Kawaii Dekiru Kouhai
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4
Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo?
Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita
Boku no Koto ga DaisukiDatta Kouhai ga Hoka no Otoko ni Haramasareru Hanashi
Kouhai ni Odosarete
Kanojo to Boku no Kouhai no Hanashi.
[Himaya (Hima)] Ore no Onakin de Sekai ga Yabai [Digital]
Enjo Kouhai Soushuuhen 2
Uchuu Ichi Yabai Deai | The Worst Meeting In The Universe
[AstroQube (masha)] Kouhai no Tangan-chan #3 | Kouhai-chan the Mono-Eye Girl #3 [English] [Digital]
Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru. =Fureta7=
[Masamune Kokichi (Matsu Takeshi)] Dekkai Kouhai Chicchai Senpai | 大后辈小前辈 [Chinese] [黑夜汉化组] [Digital]
Fumina Eroi Yabai
Enjo Kouhai School Festival
Kouhai-san. To no Natsuyasumi
Astolfo Cos no Kouhai ga Satsueikaigo ni Mousou Onanie Suru Hanashi
Enjo Kouhai 2
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
[Kamino Ryu-ya] Yabai x Orei (COMIC Penguin Club Sanzokuban 2010-05) [English] [gTeam]
Onna no Karada de iki Sugite Yabai! 5
Etchi Etchi Kouhai-chan
(C89) [Shiawase Kyouwakoku (Shiawase no Katachi)] Shiawase no Katachi no Guruguru Netachou 83R - Kouhai Jikken Hito x Saru Ninshin Shussan Satsuei [Chinese] [屏幕髒了漢化]
(C80) [CROSS-DO (Masakichi)] Ore no Kouhai ga Maji Shironeko! (Ore no Imouto ga Konnani Kawaii Wake ga Nai)
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
[Saragi (R5)] Genba no Kouhai [Digital]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 4-wa
[Morishima Kon, Rin] Onna no Karada de iki Sugite Yabai! 5 [Digital]
[Kamino Ryuuya] Kawaii x Kouhai Ch. 1 [English] {Genesis Translations}
[Anthology] Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol.1 [Digital]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [friggo] [Digital]
Ki ni Naru Kouhai no Karada
Kouhai Danshi ni Netorare SEX
Daisuki na Kouhai no Do-S na Hikaru-chan ni Mechakucha Seieki Shiboritorareru Hanashi.
Musume no Doukyuusei to Irekawatta Sonoko ga Yabai Ko Datta
Anoko No Class Wa AV ka Ch. 2 | Will be a Porno Star! Ch. 2
Futanari Senpai x Rugby-bu Kouhai-kun
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 2 [English] [Doujins.com]