(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!) [English] {Hennojin}
Kanojo to Boku no Kouhai no Hanashi. ch.1-4
[Eight Beat (Itou Eight)] Anegohada Hitozuma Hitomi (32-sai) ~Daigaku Jidai no Kouhai ni...~
[ぴすたちお] Futanari Senpai x Rugby-bu Kouhai-kun
Pote Kouhai
Tomodachi no Youna Otaku Kouhai to Deisui Ecchi
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2 [Chinese] [夢之行蹤漢化組]
Kouhai ni Shidou Suru Momiji-chan
Enjo Kouhai 7
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order)
Onna Kyoushi x Seito 3
Futanari Senpai x Rugby-bu Kouhai-kun
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru. =Fureta7=
Kouhai-chan ni Eroi Koto sareru Hon 1~4
(C90) [High Tech Pen Case (Tam-U)] Kouhai Bon (Natsu)
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]
Enjo Kouhai Interlude
[Shomu] Josou Kouhai-kun x Otokogirai-chan | Crossdressed Kouhai-kun x Man-Hater -chan (COMIC Shingeki 2016-06) [English] [N04H]
[Intoku.info (Endou Hiroto)] Chiramise Jouzu na Kouhai wa Bokki saseta Sekinin o Toritai! [Digital]
B.O.W. to Hito tono Kouhai Jikken Houkokusho | B.O.W And Human Crossbreeding Experiment Report
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!?
[Itou Eight] Kouhai Missed Memories | Kouhai's Missed Memories (COMIC Anthurium 020 2014-12) [English] [TripleSevenScans]
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
【Mokugeki】Rikujoubu Kouhai ga Noshon: Hanashikaketara Tsuyoki na Taiou o Sareta
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
Houkago Kouhai Note | 放課後交配筆記本
Maid to Kouhai Dochira ga Okonomi?
(COMIC1☆12) [Junpuumanpandou (Hida Tatsuo)] Uchi no Megane no Niau Tayoreru Kouhai ga Totemo Kawaii! (Fate/Grand Order)
Enjo Kouhai 1-10
(COMIC1☆14) [Moe Hime Rengou (xin, obiwan)] FGO Carnival 19 - Kyuukyoku no C.C.C. Namaiki Kouhai-chan to Nama Lesson (Fate/Grand Order)
Rune Midgarts no Kouhai Jikken 2 ~Lord Knight-Hen~
[Wakamatsu] Sotsugyou no Hi made Mainichi Bus-tei de Kouhai Joshi to Sex suru Hanashi [Chinese] [零星汉化组]
(SC2018 Autumn) [ELHEART'S (Ibuki Pon)] Kawaii Kouhai ni Itazura Shite Miru Hon (Fate/Grand Order)
Seiteki Kachikan Gyakuten Series "Tobiori Jisatsu Shisou na Kouhai o Ecchi de Yamesaseru Hanashi"
Futaba Chiru
[Hanpera] Taifuu + Sake + Kouhai=♥♥♥ (Inshokukei Oneesan ga Shitaikoto) [Chinese] [黑条汉化]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai―3wa
Kouhai ni kokuhaku shitara ~after~
(C99) [Haitokukan] Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate (Touhou Project)
[Yottanchi (Yottan)] Full Color * GnP Maho Fan Service (Girls und Panzer) [Digital]
Kyodai Mushi no Kouhai-jou
Yotta Nachi-san to H Suru Hon
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order) [English] [CGrascal]
[Athome Shuka (Takunomi)] Enjo Kouhai 5 [Digital]
[Yottan] Icchimae yo Buta Yarou ~Neko o Kabutta Yankee Gal ni Ashi de Semerarete... Do-M Kaika! Vol. 1-2
Shortcut de Megane no Niau Kawaii Beit no Kouhai no Heya ni Agarikonde Muriyari Hamedori shitatta
(C92) [Omae wa Sukkondero (Sashiba)] Yotta Sagisawa Fumika (20-sai) ni Te o Dasu Hon (THE IDOLM@STER CINDERELLA GIRLS)
Netorare Kouhai Kanojo
(C88) [Nyankoromochimochi (Kotoba Ai)] Osake ni Yotta Souryuu to Hitobanjuu (Kantai Collection -KanColle-) [English] [Manabe_JP]
(C90) [MoNyaMoNya (Sera)] ~Alcoholic~ Yotta Kimi o Dakishimetai | ~Alcoholic~ I want to hug you when you're drunk (Kantai Collection -KanColle-) [English] [Sweet Coffee Scans]
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2
[Dibi] Otokonoko ga Kouhai ni Ijimenukareru Ero Manga[Chinese] [雷电将军汉化]
[Pistachio] Futanari Senpai x Rugby-bu Kouhai-kun
Astolfo Cos no Kouhai ga Satsueikaigo ni Mousou Onanie Suru Hanashi
(C95) [Flicker10 (Kuronyan)] Otsukare OL to Yotta Ikioi de... tte Yatsu desu ne!? (Fate/Grand Order)
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Digital]
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
Dosukebe Kouhai no Nenmaku Houshi Ryokan