(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon [English] [Crystalium]
Enjo Kouhai 12
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course (Fate/Grand Order) [Digital]
Kouhai no Tangan-chan
[Mimics (Crimson)] Koakuma na Kouhai no Les Dorei ni Sareta Majime na Fuuki Iinchou
[Yuzuha] Lunch Time no Kouhai (COMIC Anthurium 2018-05) [English] {NecroManCr} [Digital]
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4 [Chinese] [无毒汉化组]
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order)
Bukatsu no kouhai wa otoko no musume
Kouhai-kun no Okazu ni Naru Onnanoko
Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 2
Kouhai-kun wa Kanari Choroi
(COMIC1☆12) [ELHEART'S (Ibuki Pon)] Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon (Fate/stay night)
Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
Zenra Roshutsu Shujinkanshi Onani ni dohamarishita Hentai Kouhai Mash Kyrielight
[Athome Shuka (Takunomi)] Enjo Kouhai IF [English] [Digital] [Incomplete]
Nijimon! Wakuwaku Ryona Kouhai
(COMIC1☆12) [Junpuumanpandou (Hida Tatsuo)] Uchi no Megane no Niau Tayoreru Kouhai ga Totemo Kawaii! (Fate/Grand Order)
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
Sample H0539 Kouhai Report
Kouhai-chan no Ijiwaru Chikubi Zeme
(C94) [COMEX (Zhen Lu)] Kouhai no Amai Ryouhou (Fate/Grand Order)
[Ginto] Haha wa Kouhai no Niku Benki
Kouhai-chan ni Eroi Koto sareru Hon2
(C90) [High Tech Pen Case (Tam-U)] Kouhai Bon (Natsu) [Chinese] [绅士仓库汉化]
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
[Terasu MC] Kokujin no Tenkousei NTR ru (5) Kouhai o NTR ru [English][Bleached]
Kouhai-chan ga Gacha Bakushi suru Hanashi
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]
Kouhai Sensou Kouhen
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [翠星石汉化] [Digital]
Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi
Ishukouhai Kiroku 3
Seiso na Kouhai ga Kakure Do-M datta
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai 6
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate
Kyodai Mushi no Kouhai-jou
(C93) [Tsukino Chikake Ikoku (Chikake)] Ore to Megami to Kouhai to (Fate/Grand Order)
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Ahoppoi Kouhai o Muriyari Osottara Gyakuni ○ Sareta
(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon [Chinese] [核弹团个人汉化]
Echi Echi Kouhai-chan!
Cos Shite Shiyo! Kouhai Hen
Kouhai-chan no Tokubetsu Management
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [English] [Doujins.com] [Digital]
Kouhai Refle
Kouhai-chan ni Eroi Koto sareru Hon 1~4
Kouhai no Tangan-chan #3
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
Kouhai ga!
Ore no Kouhai Kanojo ga Azatosugite Taerarenai Hon
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 2 [English] [Juggernaut Santa]
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Chinese][Digital]
Kouhai Bon
(Sougetsusai 24) [SeaFox (Kirisaki Byakko)] Watashi no Hebionna ga Dosukebe na Kouhai ni Choukyou Sarete Ooyake no Ba de Dappi Suru Hon (Fate/Grand Order) [Chinese] [肉包汉化组]