[C.R's NEST (C.R)] Hofuku? Hofuku? Soushuuhon (Kyoukai Senjou no Horizon)
[Zenra QQ] Fellatio Kouhai, Otouto ni naru
(C81) [ANGYADOW (Shikei)] Nate Ijiri (Kyoukai Senjou no Horizon) [English] [For The Halibut]
Choukyou Kanochi Zumi Dosukebe Kouhai Servant
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
Enjo Kouhai In The Closet
(C83) [Viento Campanilla (Suzuhane Suzu)] Moshimo Horizon ga do M nara Choukyou Sumi demo Shikatanai...yo ne!? (Kyoukai Senjou no Horizon)
(C75) [Otomekibun (Sansyoku Amido.)] Gakkou de Seishun! -Kouhai mo Issho-
[Shinozuka Atsuto] Muramura Kouhai-chan | Hot and Bothered Junior (COMIC HOTMILK 2018-12) [English] {NecroManCr} [Digital]
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4 [English] [Noraneko]
Enjo Kousai Wa Wase Mizuzeme Suru Ohanashi
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Digital]
(Dai 10 Kai Chikashiki Shinkou no Tame no Doujinshi Kouzu Kai) [Angyadow (Shikei)] Onegai! Masazumi Sensei (Kyoukai Senjou no Horizon)
(COMIC1☆8) [ABLISS (Mei)] Slowly but Surely (Kyoukai Senjou no Horizon)
(SC53) [Clesta (Cle Masahiro)] CL-orz19 (Kyoukai Senjou no Horizon)
Kurage Musume-chan no Amaama Aigan Kouhai Nikki
(C84) [ENJOY MIX (Tokiai Haya)] Suika no Iru Aida ni (Touhou Project)
(C84) [Clesta (Cle Masahiro)] CL-orz 30 (Kyoukai Senjou no Horizon)
Kouhai-chan ni Eroi Koto Sareru Hon 5
Kouhai Missed Memories | Kouhai's Missed Memories
Lunch Time no Kouhai
(COMIC1☆8) [Onechinchi (Onechin)] Yome ga Genryou wo Ketsui shimashite (Kyoukai Senjou no Horizon)
(SC53) [Clesta (Cle Masahiro)] CL-orz19 (Kyoukai Senjou no Horizon) [English]
[STUDIO HUAN (Raidon)] J● no Aida de Inmon Sokuiki Hayattete Mecha Enjo Shita!! (Mahou Shoujo Lyrical Nanoha) [Digital]
[Habezamurai, Tenjo Ryuka, Tsubuki] Hamerare Saimin Seikatsu ~Minna de Iinari Ecchi~ Vol. 3-4
(C84) [Parin to Wareru (Neyonsan)] Ore wa Tada PeroPero shitai dake nanda (Kyoukai Senjou no Horizon)
Kouhai Channel | 후배 채널
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai Different Clothes
[Ninokoya (Ninoko)] Enjo Kousai
Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai
[Athome Shuka (Takunomi)] Enjo Kouhai 12 [Chinese] [Digital]
(C95) [trueblue (Annie)] Cos Shite Shiyo! Kouhai Hen | Let's Do It With Cosplay! Kouhai Edition (Sanoba Witch) [English] {Doujins.com}
(C85) [ANGYADOW (Shikei)] Asama Ijiri 2 (Kyoukai Senjou no Horizon)
(C85) [NIGHT FUCKERS (Mitsugi)] Water lily III (Kyoukai Senjou no Horizon)
(Dai 14 Kai Chikashiki Shinkou no tame no Doujinshi Kouzu Kai) [C.R's Nest (C.R)] Hofuku? Hofuku? 7 (Kyoukai Senjou no Horizon) [English] [Doujins.com]
(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)
Kouhai Sensou Zenpen
Kanojo to Boku no Kouhai no Hanashi. | 女友與我的交配淫事。
Kanojo to Boku no Kouhai no Hanashi.
[Yuunagi no Senryokugai Butai (Nagi Ichi)] Kouhai-kun wa, Oreiro Hiyake Shounen! [Chinese] [Digital]
[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [Digital]
[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]
(Dai 6 Kai Chikashiki Shinkou no tame no Doujinshi Kouzu Kai) [Yuasa Rengou (Jean Louis)] France Hitozuma Midnight (Kyoukai Senjou no Horizon)
(C93) [Tsukino Chikake Ikoku (Chikake)] Ore to Megami to Kouhai to (Fate/Grand Order)
(COMIC1☆13) [ENJOY MIX (Tokiai Haya)] Akashi Daisuki nya! (Azur Lane)
(COMIC1☆14) [Moe Hime Rengou (xin, obiwan)] FGO Carnival 19 - Kyuukyoku no C.C.C. Namaiki Kouhai-chan to Nama Lesson (Fate/Grand Order) [Chinese] [三日月TS私人漢化翻譯]
(Hinamizawa Sonmin Shuukai tetra) [ENJOY MIX (Tokiai Haya)] Rika-chan to Issho (Higurashi no Naku Koro ni)
(C79) [Mystic Chord (Gyro Amarume)] Ore no Kouhai ga... (ry (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [Chinese] [沒有漢化] [Digital]
[Tomato Rice] Bakunyuu de Kouhai no JK to Paizuri Suru dake
[Athome Shuka (Takunomi)] Enjo Kouhai 12 [Digital]
[Noise] Stop! Enjo Kousai! | Don't be an Escort! (COMIC LO 2014-02) [English] {5 a.m.}
Enjo Kousai Akira to Anii no Seikatsu Kiroku | Record Of Akira's Paid Dating With Her "Older Brothers"
Ossan ga Kyonyuu Bitch JK to Enjo Kousai Shimakuru Ohanashi
(C81) [Clesta (Cle Masahiro)] CL-orz20 (Kyoukai Senjou no Horizon) [Decensored]
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)