OL Kentauros to Kouhai-kun
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [English] [mysterymeat3] [Digital]
Namaiki na Kouhai ni Chiisaku Natte Itazurao
Fuchou to Kouhai no Oshasei Jigoku
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!)
Kouhai no Tangan-chan
Kouhai no Shitsukekata Nadametari Odoshitari ○○ shitari - | 对后辈的教育方法:可以亲切可以严厉也可以OO——
[Mda Starou] Shinjin Kouhai Kiriko-san (COMIC BAVEL 2018-09) [Chinese] [無邪気漢化組]
[Athome Shuka (Takunomi)] Enjo Kouhai Another View [Digital]
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]
Boku no Koe o Kiku dake de Hatsujou Shichau Yandere Kyonyuu Kouhai ni Karada o Irekaerarete Shimatta!
Ecchi na Kouhai-chan
Kouhai no Tangan-chan #4
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!? 1-2
Echi Echi Kouhai-chan!
Futanari Kouhai ni Onaho Tsukai Sareru ki ga Suru
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order) [English] [NHNL]
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order)
(C95) [R*kaffy (Aichi Shiho)] Astolfo Cos no Kouhai ni Kokuhaku Sarete Sex Shita Hanashi | A Story About My Astolfo Cosplaying Kouhai (♂) Confessing His Love and Having Sex. (Fate/Grand Order) [English] [EHCOVE]
Kouhai to!
Futaba Chiru
Kouhai no Bakunyuuko o Muriyari
(C95) [trueblue (Annie)] Cos Shite Shiyo! Kouhai Hen | Let's Do It With Cosplay! Kouhai Edition (Sanoba Witch) [English] {Doujins.com}
Kouhai Gatsu!
Daisuki na Kouhai no Do-S na Hikaru-chan ni Mechakucha Seieki Shiboritorareru Hanashi.
Shota Teitoku wa Senpai no Kouhai no Mono yo
Ore no Kouhai no Kyuuai ga Kawaisugiru Ken ni Tsuite.
Gakkou de Seishun! -Kouhai mo Issho- 3 + Omake Bon
Saenai Kouhai wa Bijin OL to Hitotsu ni Naru
[yogurt (bifidus)] Kouhai Tanetsuke Onsen - Nishimura Yuki-chan ni Marking [Digital]
(SC57) [Rivajima (Yajima Index)] Mata Kouhai ni Bloomer Kisasete Oshiri no Ana made... Senpai wa Mou Dame desu! (Amagami)
Ki ni Naru Kouhai no Karada
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [English] {Kizlan} [Digital]
[Shomu] Josou Kouhai-kun x Otokogirai-chan | Crossdressed Kouhai-kun x Man-Hater -chan (COMIC Shingeki 2016-06) [English] [N04H]