[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Digital]
Houkago no Kyoushitsu de Kouhai to Ge
[Miyoshi] Enjoy! (COMIC Anthurium 2016-06) [Chinese] [空気系☆漢化]
Dokidoki! Dousei Seikatsu
Senpai-kun to Kouhai-chan
Kouhai-chan ga Gacha Bakushi suru Hanashi
Enjoy! Naked Company!!
(Shota Scratch 15) [Prism Link (Miyoshi)] Ibunka Kouryuu - Cross Cultural Communication [English] [Mysterymeat3]
Kawaii Kouhai no Tame Naraba…? | For The Sake of My Cute Junior…? {Hennojin}
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [Chinese] [兔司姬漢化組]
Kouhai no Tangan-chan #8
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Chinese] [无毒汉化组] [Digital]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 5-wa [Digital]
Ore no Kouhai no Kyuuai ga Kawaisugiru Ken ni Tsuite.
[AstroQube. (masha)] Kouhai no Tangan-chan #4 | Kouhai-chan the Mono-Eye Girl #4 [English] [Digital]
Kouhai Kanojo no Seiteki na Jikken
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [无毒汉化组]
Senpai Kouhai Danjo Jijou
[Ichiko] Fujun Isei Kouhai no Susume [Digital]
Charai Kouhai ga Kawaii Onna ni Me Sametara. ~Ba Bi Niku Tokkun wa Mitsu no Aji~
Kouhai ni Odosarete
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
Joushiki Henkan Switch: Namaiki na Kouhai
Do-S Kouhai no Sundome Seme
"Kojin Satsuei" Danshiryou Doushitsu no Doutei Houkei Kouhai o Kyousei Onanie Kyousei Shasei Satsuei Kirokushuu
Enjo Kouhai 8
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru. =Fureta7=
[Athome Shuka (Takunomi)] Enjo Kouhai 12 [Chinese] [無邪気漢化組] [Digital]
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [Doujins.com] [Digital]
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru.
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night) [Chinese]
[Yasu] Kimochii Rakuten Shiyo | Let’s Enjoy the Pleasures of FALLING FROM GRACE Together (COMIC Unreal 2017-12 Vol. 70) [English] {darknight} [Digital]
(COMIC1☆8) [City Forest (TAKTO)] Samenai Uchi ni Meshiagare! | Enjoy it while it's Hot! [English] [gTeam]
Kouhai-chan ni Eroi Koto Sareru Hon 4
[Shishi Juuroku] Kouhai ni Shidou Suru Momiji-chan (Touhou Project)
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report (Resident Evil) [English] [SaHa]
[Homing] Imouto Pants wo Ajiwau Saikou no Houhou | The Best Way to Enjoy Your Little Sister's Panties (COMIC RiN 2011-11) [English] {Dame!trans}
[Anthology] Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol.1 [Digital]
[Moon Water] Tenshi no tamago (Angel Links)
Shortcut de Megane no Niau Hitonatsukoi Beit no Kouhai ga Yarichin Douryou no Kuruma de Okurarete kara Mudankekkin Shiteiru + Omake
Kouhai ni Shidou Suru Momiji-chan
[DPg] Senpai ga Uchikomu Kouhai no Hanashi (Senpai ga Uzai Kouhai no Hanashi)
Shortcut de Megane no Niau Hitonatsukoi Beit no Kouhai ga Yarichin Douryou no Kuruma de Okurarete kara Mudankekkin Shiteiru
[Hatomame(Ago)] Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
Saenai Kouhai wa Bijin OL to Hitotsu ni Naru
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa
Ki ni Naru Kouhai no Karada
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
Echi Echi Kouhai-chan!
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [Digital]
Kanochi x Motoyan Zuma ~Gomennasai. Watashi, Mukatsuku Kouhai ni Niku Onaho ni Sarechatta no~
Kouhai Kanojo no Ijiwaru de Amaama na Tekoki Hon