Kanojo to Boku no Kouhai no Hanashi.
Kouhai Missed Memories
[Aosagi no Mizuumi] Mesu Ochi Eigyou Kachou Kouhai Shain wa, Echiechi Otokonoko
[Kagato] Mori ni Shizumu Seija (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] {HMC Translation} [Digital]
Natsu no Hi, Kouhai to, Bus-tei de. | On a Summer Day, with My Kouhai, at the Bus Stop.
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Digital]
Houkago no Kyoushitsu de Kouhai to Jou
Dekkai Kouhai Chicchai Senpai | 大后辈小前辈
Kouhai-chan ni Eroi Koto Sareru Hon3
Seiteki Kachikan Gyakuten Series "Tobiori Jisatsu Shisou na Kouhai o Ecchi de Yamesaseru Hanashi"
[Natsume Tsuna] Hijitsuzai Shounen Shoujo (COMIC Koh 2017-10) [Chinese] [漢化組漢化組×Foxglove] [Digital]
Bosei to Insei Regular no Za o Ubatta Kouhai ni Hahaoya no Karada made Ubawareta Ken
Daisuki na Kouhai no Do-S na Hikaru-chan ni Mechakucha Seieki Shiboritorareru Hanashi.
Bakunyuu Kouhai ni Shasei Kanri Sareta Ue ni Netorare Maso ni Sareta Ken Usagi Kaijin Happy Rabbit Hen
(C89) [Pintsize (Tetsubirei, TKS)] Yatazakura 3 ~Ninshin Saiban Yuuzai Haiso~
(C94) [COMEX (Zhen Lu)] Kouhai no Amai Ryouhou (Fate/Grand Order)
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5
Boku no Koto ga DaisukiDatta Kouhai ga Hoka no Otoko ni Haramasareru Hanashi
Boku no Tanetsuke Gakkou Seikatsu 2 ~Tosho Iin no Kouhai Hen~
Kouhai Sensou Zenpen
Saenai Heroine Series Vol. 9 Saenai Kouhai no Jishukurikata
Enjo Kouhai
[PORYGON137 (Hidari Pory5n)] Kouhai no XXX Renshuu [Digital]
[Mosquito Man] Cho ~Namaiki na Kuro Gal JK to Pakoritai Kimo Oyaji-tachi
[Yuunagi no Senryokugai Butai (Nagi Ichi)] Kouhai-kun wa, Oreiro Hiyake Shounen! [English] {CapableScoutMan} [Digital]
(COMIC1☆6) [Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou
Ishukouhai Kiroku
Ganbaru Kouhai
Kouhai Danshi ni Netorare SEX ~Sourou Kareshi ja Monotarinai~
(Douyara Deban no Youda! 8) [Fuzainoyamada (Fuzai Yumoto)] Ookami ni Goyoujin (Boku no Hero Academia) [Chinese] [沒有漢化]
Kouhai no Tangan-chan
[Sorairo Panda (Yamome)] Senpai ga Uzai.
Shuzaihanin no Hisan na Shuzai yori
[Wakamatsu] Sotsugyou no Hi made Mainichi Bus-tei de Kouhai Joshi to Sex suru Hanashi [Chinese] [零星汉化组]
Tawawa na Omakebon 2018 summer
[AstroQube. (masha)] Kouhai no Tangan-chan #5 | Kouhai-chan the Mono-Eye Girl #5 [English] [Digital]
[Takedake (Shinshuu Takedake)] Dekkai Kouhai to Chicchai Senpai wa Issho ni Itai! [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon 6
Otaku no Boku to Iikanjidatta Kuro Gal Kouhai o Netorareru Mini | A mini about black gyaru who has good feeling with the otaku me being cucked
(C95) [R*kaffy (Aichi Shiho)] Astolfo Cos no Kouhai ni Kokuhaku Sarete Sex Shita Hanashi (Fate/Grand Order) [Chinese] [瑞树汉化组]
[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]
[Ginto] Haha wa Kouhai no Niku Benki
Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
(C91) [Rakugaki EVO (Sorawa Reo)] Nii-san Chotto Ecchi na Shuzai o Sasete (Eromanga Sensei)
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
[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]