Kouhai no Tangan-chan
Tomodachi no Youna Otaku Kouhai to Deisui Ecchi
Kawaii Ore no Imouto to Kouhai ga Sasotte Kuru. - Komachi & Iroha always have sex with hachiman.
(C99) [Haitokukan] Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate (Touhou Project) [Chinese]
[Pride Beans] Kouhai-chan no Ijiwaru Chikubi Zeme 2
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Boku no Mash no Kouhai Ryoku
Netorare Kouhai Kanojo 2
Yandere Kouhai Kyouiku Disciplining Yandere Colleague
Ore no Kanojo ga Kawaikunai Wake ga Nai
Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa)
[Mutou Koucha] Tomodachi no Youna Otaku Kouhai to Deisui Ecchi [English] [Digital]
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
Kouhai ni Odosarete
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course (Fate/Grand Order) [Digital]
Fujun Isei Kouhai no Susume
(C91) [Athome Shuka (Takunomi)] Enjo Kouhai [English] [biribiri]
Machikirenai Kouhai Kanojo Tsujinaka-Chan
[Mizone] OL Kentauros to Kouhai-kun (COMIC BAVEL 2017-10) [Chinese] [Kirin个人汉化] [Digital]
[Terasu MC] Kokujin no Tenkousei NTR ru (5) Kouhai o NTR ru [English]
[Dhibi] Ishuzokukan Kouhai (COMIC X-EROS #52) [Chinese] [沒有漢化] [Digital]
Kouhai ni kokuhaku shitara ~after~
Kouhai Nanpa Beach Luluhawa
[mine/mine (Miyuu)] Kinkyuu! Kouhai Ikusei Live!!! ~Akatsuki ga 3P Suru Hon~ (Ensemble Stars!) [Digital]
Kouhai Sensou Zenpen
[Yusaritsukata (Awayume)] Kouhai wa Koakumama!? | My Clubmate's a Little Devil! [English] {2d-market.com} [Decensored] [Digital]
[Kurobasu] ore no kawaikunai moto senpai no hanashi wo shiyou 2 (feminization)
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [Chinese] [夢之行蹤漢化組] [Digital]
Kouhai Futari ni Chinpo o Omocha ni Sareru Doutei-kun
Fuchou to Kouhai no Oshasei Jigoku
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
[Gelmaga.] Kouhai ga Bakunyuu de Ero Sugiru Ken ni Tsuite | 有關學妹的爆乳過於色情的這件事 [Chinese] [巨乳星人個人漢化]
(C94) [Apple Effect (MurasakiO)] Ore no Kanojo ga Kawaikunai Wake ga Nai 1.5 (Mitsudomoe)
(C91) [Okadatei (Okada Kou)] Ore no Kawaikunai Imouto ni Tsuite
"Kojin Satsuei" Danshiryou Doushitsu no Doutei Houkei Kouhai o Kyousei Onanie Kyousei Shasei Satsuei Kirokushuu
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order) [Chinese] [狭間汉化组]
Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
(C96) [Heruduki (35 Machi)] Kouhai ga! (Fate/Grand Order) [Chinese] [无毒汉化组]
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Machikirenai Kouhai Kanojo Tsujinaka-Chan
(C77) [chaos-graphixxx (mdo-h)] Toaru Kouhai no Mikotox (Toaru Kagaku no Railgun)
[Okayushop (Okayu)] Futaba Chiru | 雙葉凋落 (Senpai ga Uzai Kouhai no Hanashi) [Chinese] [Digital]
Enjo Kouhai 1-10
Ishukouhai Kiroku 4
Kouhai Fuukiiin ni Yoru Furyou Senpai no Otoshikata | How to rehabilitate a bad senior by a junior discipline committee member
[Arakure] Jelly Multiplication (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [濛濛1汉化] [Digital]
[Nukiashi Sashi (Kaina)] Kouhai no Momiji to Ichaicha Love Love suru Copy Bon (Touhou Project) [Digital]
Kouhai no Amai Ryouhou
[Amaichigo (Ichiko)] Koizumi Karen no Kouhai Report [Digital]
[DPg] Senpai ga Uchikomu Kouhai no Hanashi (Senpai ga Uzai Kouhai no Hanashi)
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
[Mda Starou] Shinjin Kouhai Kiriko-san (COMIC BAVEL 2018-09) [Chinese] [無邪気漢化組]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa
Ahoppoi Kouhai o Muriyari Osottara Gyakuni ○ Sareta
(C89) [Shimanto Seiryuu (Shimanto Youta)] Senpai-kun to Kouhai-chan
Muttsuri Kouhai Mash ni Misetuketai
[Hoshii Nasake] Wanko-kei Kouhai-kun no Himitsu
Ore no Seito wa Kawaikunai | 我的学生一点也不可爱 Ch. 1-3
Josou saserarete Futanari Kouhai Servant ni Onnanoko ni Sarechau Hon
Namaiki na Moto Kouhai no Nama Iki Showtime
(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]
Cos Shite Shiyo! Kouhai Hen | Let's Do It With Cosplay! Kouhai Edition
Shachou no Aijin ni Sarete shimatta Kouhai no Hanashi
Pote Kouhai
My Swim-teams's Kouhai had a Sex Change and is too Slutty
Nino-san to Kaze to Yarichin Kouhai
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 7-wa [Digital]