Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman.
Kouhai-chan ni Eroi Koto Sareru Hon3
[Mda Starou] Shinjin Kouhai Kiriko-san (COMIC BAVEL 2018-09) [Chinese] [無邪気漢化組]
Enjo Kouhai Soushuuhen 1
Kouhai ga!
[Kitsune (Tachikawa Negoro)] Ryo-chin Kouhai dayo! Saki-chin「Kouei desu!!」 (THE iDOLM@STER SideM)
[Rivajima (Yajima Index)] Mata Kouhai ni Buruma Kisasete Oshiri no Ana made... Senpai wa Mou Dame desu! (Amagami)
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2
Maid to Kouhai Dochira ga Okonomi? | MAID vs KOUHAI: Which Do You Prefer?
[ぴすたちお] Futanari Senpai x Rugby-bu Kouhai-kun
Kouhai no Tangan-chan #4
[Miyoshi] Enjoy! (COMIC Anthurium 2016-06) [Chinese] [空気系☆漢化]
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] [biribiri] [Digital]
Saimin Kanbo - Kouhai ni Torareta Haha
Tawawa na Kouhai-chan 2 + Tawawa na Omakebon
Senpai Kouhai a Man and Woman's Circunstances
Koakuma na Kouhai no Les Dorei ni Sareta Majime na Fuuki Iinchou
[Ashiomi Masato] Warning Morning! (PINKS LINKS) [English] [Yoroshii]
Gudako to Dosukebe Kouhai no Futanari Jijou
Enjo Kouhai 10
Watashi dake no Kouhai
Cos Shite Shiyo! Kouhai Hen | Let's Do It With Cosplay! Kouhai Edition
Dekkai Kouhai ni Chicchai Senpai wa Itazura Shitai!
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho (Biohazard | Resident Evil)
Kirara-chan to Enjoy!
(C99) [Haitokukan] Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate (Touhou Project) [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
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
(CT23) [ENJOY MIX (Tokiai Haya)] Papa ni Naisho no (THE IDOLM@STER CINDERELLA GIRLS) [English]
(C95) [Sky Box] Aru Boukensha-tachi no Ketsumatsu route:β (Goblin Slayer)
Enjoy Kouhai Links
[Yuunagi no Senryokugai Butai (Nagi Ichi)] Kouhai-kun wa, Oreiro Hiyake Shounen! [Digital]
Shinchou 175cm no Rikujou Shoujo wa Kouhai Danshi no Seishi o Nomitagaru
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 4-wa [Chinese] [肉包汉化组] [Digital]
Kouhai Sensou Kouhen
[LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? | MAID vs KOUHAI: Which Do You Prefer? (Fate/Grand Order) [English] [2d-market.com] [Decensored] [Digital]
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [Chinese] [兔司姬漢化組×無毒漢化組]
Dekkai Kouhai Chicchai Senpai | 大后辈小前辈
(Kouroumu 10) [Enjoy Mix (Tokiai Haya)] Hakurei Isourou no Himitsu no Oshigoto -Hitokui Hen- (Touhou Project) [English] {Hennojin}
Enjo Kouhai 8
[Athome Shuka (Takunomi)] Enjo Kouhai 12 [Digital]
(SC2018 Autumn) [ELHEART'S (Ibuki Pon)] Kawaii Kouhai ni Itazura Shite Miru Hon (Fate/Grand Order) [Chinese] [三堆木头个人汉化]
[Plum Hill Dai Ni Kaihatsu Shitsu (7c)] Hoshi Man Kyonyuu Hoshi Man Binyuu (Martian Successor Nadesico)
[Misaki (Aoi Tiduru)] Ijiwaru de Amaama ~Kouhai Kanojo ni Tekoki de Aisarereru Ohanashi~
(COMITIA109) [Shimoboard (Shimosan)] Kouhai-san-tachi. To no Natsu
Saenai Kouhai wa Bijin OL to Hitotsu ni Naru
Kouhai Kanojo Tsujinaka-chan no Oshioki
【Mokugeki】Rikujoubu Kouhai ga Noshon: Hanashikaketara Tsuyoki na Taiou o Sareta
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
[Otokonoko to Onnanoko (Sasaki Saki)] Akogare no Senpai ni ~Kouhai-san Honki Sex!~
(C92) [Makuu Gundan (Shinozuka Atsuto)] Ganbaru Kouhai (Fate/Grand Order)
Senpai and Kouhai + Extra
Ijimetai Oppai Hajimemashita - Please Enjoy With Buxom Wench!
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Digital]
Shokushu Kyousei Kouhai
[AstroQube. (masha)] Kouhai no Tangan-chan #4 | Kouhai-chan the Mono-Eye Girl #4 [English] [Digital]
Senpai-kun to Kouhai-chan
(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon
Boku no Koe o Kiku dake de Hatsujou Shichau Yandere Kyonyuu Kouhai ni Karada o Irekaerarete Shimatta!
[Tsukemayuge (Yuzugin)] "Kouhai no Ashi o Mae ni Gaman Dekinakatta" nado to Kyoujutsu Shite Ori [Digital]
(Kouroumu 10) [Enjoy Mix (Tokiai Haya)] Hakurei Isourou no Himitsu no Oshigoto -Hitokui Hen- (Touhou Project) [Chinese] [CE家族社]
(C89) [ENJOY MIX (Tokiai Haya)] Meitei Suika wa Inran Kawaii FULL COLOR (Touhou Project)