(SC54) [King Revolver (Kikuta Kouji)] Kimi ga Asa kara (Kyoukai Senjou no Horizon)
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~
Kouhai Kanojo no Ijiwaru de Amaama na Tekoki Hon
(C85) [JACK-POT (Jyura)] Chibiusa (●) ~Enjo Kousai Hen~ (Bishoujo Senshi Sailor Moon) [English] [EHCOVE]
(C94) [Banana Koubou (Ao Banana)] Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight (Fate/Grand Order)
Enjo Kouhai 5 | 원조교배5
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!?
Kaisha no Kawaii Kouhai ~Ima wa Ore no Oku-san desu~
(C84) [ANGYADOW (Shikei)] Asama Ijiri (Kyoukai Senjou no Horizon)
Shoutengai Hitozuma Enjo Baishun
Kouhai Sensou Zenpen | Kouhai War First Part
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4
Enjo Kouhai 1-10
(CT22) [ABLISS (Mei)] crush on you! (Kyoukai Senjou no Horizon)
Senpai and Kouhai + Extra
(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)
(C89) [ABLISS (Mei)] Zutto, Kore Kara (Kyoukai Senjou no Horizon) [Chinese] [脸肿汉化组]
(C83) [Parin to Wareru (Neyonsan)] Hinjuushi PeroPero (Kyoukai Senjou no Horizon) [English] [desudesu]
(C93) [Nounai PG (NEO Kusano)] Maryoku Enjo ~How do i live on such a field?~ (Fate/stay night)
"Kojin Satsuei" Danshiryou Doushitsu no Doutei Houkei Kouhai o Kyousei Onanie Kyousei Shasei Satsuei Kirokushuu
(SC53) [Clesta (Cle Masahiro)] CL-orz19 (Kyoukai Senjou no Horizon) [Decensored]
(C72) [Nakamatachi (Asami Asami, Expert, Alpha)] G Senjou no Kaikan. (G Senjou no Maou)
(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]
[Cyber F] Kaizou Gakuen 「Kouhai」| Modification Academy 5 "Kouhai" [English]
[Inanaki Shiki] Houkago Kouhai Note | 放課後交配筆記本 [Chinese]
(Reitaisai 9) [Enjoy Mix (Tokiai Haya)] Suikachan Hirotta. (Touhou Project) [English] =TV=
(C83) [Take Out (Zeros)] Avalon Youkoso (Kyoukai Senjou no Horizon)
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
[Tsukemayuge (Yuzugin)] "Kouhai no Ashi o Mae ni Gaman Dekinakatta" nado to Kyoujutsu Shite Ori [Digital]
Joushiki Henkan Switch: Namaiki na Kouhai
(C90) [High Tech Pen Case (Tam-U)] Kouhai Bon (Natsu) [Chinese] [绅士仓库汉化]
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [English] [Doujins.com] [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon 4
Juukan Hitoduma Kasumi -korean-
[Athome Shuka (Takunomi)] Enjo Kouhai Swimming Costume [Digital]
(C80) [Mano-ya (Nagisa Manoa)] Marking -Dear my King- (Kyoukai Senjou no Horizon) [English] [Chocolate]
(Dai 14 Kai Chikashiki Shinkou no tame no Doujinshi Kouzu Kai) [Koori Ame (Hisame Genta)] Yuya Gayoi (Kyoukai Senjou no Horizon)
(COMIC1☆6) [viento campanilla (Suzuhane Suzu)] Asama Tomo no Kannazuki wa Dokumi Eroge de Trip wo (Kyoukai Senjou no Horizon) [3rd Edition 2012-08-10]
(C82) [KAMINENDO.CORPORATION (Akazawa RED)] Ichigo Enjo Ako-chan (Saki Achiga-hen)
(C84) [JUDGEMENT (Shino)] Sugary! (Kyoukai Senjou no Horizon)
(C82) [Katamimi Buta (Kan Koromoya)] Yousei Shimai no Hanazono Yuugi (Kyoukai Senjou no Horizon)
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]
Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~
Kouhai-chan ni Eroi Koto sareru Hon2
(C84) [Shikishima GunTool (Shikishima Tenki, Shikishima Shoutarou)] Himegoto Techou II (Kyoukai Senjou no Horizon)
(C95) [Contamination (eigetu)] Kouhai ga Yuuwaku Shite Kurunda ga (Fate/Grand Order)
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!? [English] [desudesu]
Shinjin Kouhai Kiriko-san
(C82) [Clesta (Cle Masahiro)] CL-orz24 (Kyoukai Senjou no Horizon)
(SC54) [Clesta (Cle Masahiro)] CL-orz 21 (Kyoukai Senjou no Horizon) [English] [RyuuTama] [Decensored]
Dosukebe Kouhai no Nenmaku Houshi Ryokan
(CT21) [NIGHT FUCKERS (Mitsugi)] Water lily (Kyoukai Senjou no Horizon)
(COMIC1☆6) [Ar Da Coda (Zinan)] E Senjou no Horizon (Kyoukai Senjou no Horizon)
(C95) [Nekokaburi (Kuronomiki)] Lust Order ~Beast-kei Marshmallow Kouhai~ (Fate/Grand Order)
[FallinMoon (Gauu!?)] Nuruneba!? (Kyoukai Senjou No Horizon)
(Dai 8 Kai Chikashiki Shinkou no tame no Doujinshi Kouzu Kai) [ABLISS (Mei)] NORIKIYO! (Kyoukai Senjou no Horizon)