(C81) [Morimiyakan (Morimiya Masayuki)] Suzu to Gutei to Baka Ane to | Suzu and a Stupid Younger Brother and Older Sister (Kyoukai Senjou no Horizon) [English] [life4Kaoru]
(C81) [Clesta (Cle Masahiro)] CL-orz 20 (Kyoukai Senjou no Horizon) [English] {Fated Circle} [Decensored]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 7-wa [Digital]
(C81) [Gakuen Yuushabu (Tsurugi Yasuyuki)] Suki Suki Mitotsu-san (Kyoukai Senjou no Horizon)
Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~
Kouhai-chan ni Eroi Koto Sareru Hon 6
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Digital]
(C84) [clesta (Cle Masahiro)] CL-jud Soushuuhen (Kyoukai Senjou no Horizon)
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 4-wa
[ぴすたちお] Futanari Senpai x Rugby-bu Kouhai-kun
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2
(C72) [Nakamatachi (Asami Asami, Expert, Alpha)] G Senjou no Kaikan. (G Senjou no Maou)
Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo? ch.6
(C93) [Aoi Frasco (Alpini)] Senpai-kun to Kouhai-kun.
(C85) [Tenjou Renge (Amane Hasuhito)] Kogare shimono (Touhou Project)
Ano Yoru no Kouhai ~Kanotorare~
[Tenjo Kakuhen (Ash Yokoshima, Mitsugi, Soine)] PUSH (Cinderella Blade, Hihouden, Sister Quest)
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni Sarechau Hon [Chinese] [绅士仓库汉化] [2018-08-26]
(C93) [MARCH (Minakuchi Takashi)] Boku no Mash no Kouhai Ryoku (Fate/Grand Order)
[Athome Shuka (Takunomi)] Enjo Kouhai IF | Mating Assistance IF [English] [SDATranslation] [Digital]
(C93) [Labomagi! (Takeda Aranobu)] Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~
Enjo Kouhai 8
[Ninokoya (Ninoko)] Enjo Kousai
(C81) [Kotonosha] U3 (Kyoukai Senjou no Horizon)
(C84) [ENJOY MIX (Tokiai Haya)] Suika no Iru Aida ni (Touhou Project)
Dokuzetsu Kouhai DK wa Ore Senyou Kanojo
[Shomu] Josou Kouhai-kun x Otokogirai-chan | Crossdressed Kouhai-kun x Man-Hater -chan (COMIC Shingeki 2016-06) [English] [N04H]
Senpai Kouhai Danjo Jijou
Kouhai Sensou Zenpen | Kouhai War First Part
(COMIC1☆6) [Morimiyakan (Morimiya Masayuki)] Suzu to Gutei to Asamachi to (Kyoukai Senjou no Horizon)
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [Digital]
(C81) [SAZ (soba)] Konoha na Sakuya (Kyoukai Senjou no Horizon)
Enjo Kouhai Swimming Costume
(C82) [Clesta (Cle Masahiro)] CL-ev 08 (Kyoukai Senjou no Horizon) [Decensored]
(Dai 4 Kai Chikashiki Shinkou no tame no Doujinshi Kouzu Kai) [ABLISS (Mei)] Masaka no Seijunsha (Kyoukai Senjou no Horizon) [Chinese] [脸肿汉化组]
[Clesta (Cle Masahiro)] CL-orz 25 (Kyoukai Senjou no Horizon) [English] {doujin-moe.us}
Kouhai Sensou Zenpen
Kouhai Servant ga Dosukebe na Ken
(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]
[Sennomori Maitake] Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 1 | ~ Ghost Mating Tales ~ The Hot Seed That Penetrates Your Stomach 1 [English] [desudesu] [Digital]
Kouhai Kanojo no Ijiwaru de Amaama na Tekoki Hon
Kojin Satsuei 19-sai Kareshi Mochi Kouhai-kei Kyonyuu Layer
(C95) [Asanebou Crisis (Akaneman)] Kouhai Nanpa Beach Luluhawa (Fate/Grand Order)
Otonashisou na Rikujoubu no Kouhai o Kousoku Shite Kairaku Choukyou
(C84) [ABLISS (Mei)] Asama Tomo no Junjou (Kyoukai Senjou no Horizon)
(C81) [ANGYADOW (Shikei)] Nate Ijiri (Kyoukai Senjou no Horizon) [English]
(C81) [Viento Campanilla (Suzuhane Suzu)] Hatsujou Nate ga Kyaon to Naite | Neito Howls in Heat (Kyoukai Senjou no Horizon) [English] [Chocolate]
(COMIC1☆11) [Novia (Labui)] Tsukiatteyo Kenjou (Kirakira PreCure a la Mode)
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [English] [biribiri]
Chibiusa ~Enjo Kousai Hen~
[Mda Starou] Shinjin Kouhai Kiriko-san [English] [Hentai_Doctor] [Decensored] [Digital]
[Kikunosukemaru] Senpai Kouhai Danjo Jijou | Senpai Kouhai a Man and Woman's Circumstances (COMIC Anthurium 024 2015-04) [English] [Danicco]
(C84) [Shikishima GunTool (Shikishima Tenki, Shikishima Shoutarou)] Himegoto Techou II (Kyoukai Senjou no Horizon)
(Unison In 3) [ENJOY MIX (Tokiai Haya)] Otona no Asobi Oshiete Kudasai (Mahou Shoujo Lyrical Nanoha)
Kouhai Channel
Senpai-kun to Kouhai-chan
(C79) [Iron Plate (Yaki Ohagi)] Ore no Kouhai ga Konna ni Eroi (Fate/stay night)