(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order) [English] [constantly]
(C92) [Makuu Gundan (Shinozuka Atsuto)] Ganbaru Kouhai (Fate/Grand Order) [Chinese] [黑锅汉化组]
Kouhai Servant ga Dosukebe na Ken
Enjo Kouhai Interlude
Sports danshi no junan charakei basketball danshi reokun no e-chi na igaku jikken
Nino-san to Kaze to Yarichin Kouhai
Ecchi na Kouhai-chan
Bitch mo Sokuochi!? Doutei Chinpo wa Zetsurin Chinpo! Futago no Kouhai to Yarimakuri! Hamemakuri!!
(C93) [Tsukino Chikake Ikoku (Chikake)] Ore to Megami to Kouhai to (Fate/Grand Order)
(C87) [Aroma Terrace (Niki)] Kouhai-chan to Asa kara Nyan Nyan
[Somejima] Ishu Kan Kouhai Bokujou | Interracial Rape Breeding Farm (Bessatsu Comic Unreal Ningen Bokujou Hen Vol. 2) [Colorized] [Digital]
Tawawa na Omakebon 2018 summer
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [Digital]
Kouhai de Himatsubushi | Killing Time with the Freshman
Machikirenai Kouhai Kanojo Tsujinaka-Chan
Enjo Kouhai In The Closet
Kouhai Nanpa Beach Luluhawa
Sousakan Saya Zombie tono Kouhai Jikken
You are My Experimental Dragon | Kimi wa Boku no Jikken Ryu
(C93) [Labomagi! (Takeda Aranobu)] Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~
kouhai rapes senpai
Saenai Heroine Series Vol. 6 Saenai Kouhai Shoujo no Sodachikata
Kouhai Kanojo no Seiteki na Jikken ~Futago wa Eroi Koufun ga Kyoumei shichau?~
[Tohgarashi Hideyu] Dokidoki Jikken Note Ch. 1-4
[Neko Sensei] Saimin Gakuen Ono Kyouju no Choukyou Jikken ~Okasarete Kanjiru Karada~ 1-2
[Kitto Daiji na Otoshimono (Ogami Kazuki)] Jikken! Ika Musume (Shinryaku! Ika Musume)
Enjo Kouhai 11
Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen
Shinchou 175cm no Rikujou Shoujo wa Kouhai Danshi no Seishi o Nomitagaru
[Sakusaku Kangen Noushuku (Matashita Kintama)] Hentai Hakase to Boku no Goukan dai Jikken!
Kouhai-chan ni Eroi Koto sareru Hon2
Otonashisou na Rikujoubu no Kouhai o Kousoku Shite Kairaku Choukyou
Muttsuri Kouhai Mash ni Misetuketai
Kaisha no Kawaii Kouhai ~Ima wa Ore no Oku-san desu~
Ki ni Naru Kouhai no Karada
Kouhai-chan to Houkago Ecchi!
Majo Serene to Abunai Hiyaku Jikken 2
(C77) [Otomekibun (Sansyoku Amido.)] Gakkou de Seishun! -Kouhai mo Issho- 3 + Omake Bon
[Kanbotan] Aru Hi no Dekigoto ~ Saimin Jikken ~ | A Certain Day's Incident ~Hypnotism Experiment~ [English] =LWB=
Kanojo to Boku no Kouhai no Hanashi. | 女友與我的交配淫事。
[Naiyori alpha Zaidan (Kimotani)] Fudangi ga Opai de BIKINI wa Yariman nanoka? Yoko de Taiman Jikken (Tengen Toppa Gurren Lagann)
[Aimaitei (Aimaitei Umami)] Kurogal Kouhai Otokonoko DeliHeal ~ Gyaku Anal Course [Chinese] [沒有漢化] [Digital]
[MOZUKUYA (Hayasaka Natsuki)] Kaizou Jikken In Succession (Tokimeki Memorial)
[Sennomori Maitake] Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 1 [Digital]
Tomodachi to Jikken Shite Miru Hon. Zenpen
[Itou Eight] Kouhai Missed Memories | Kouhai's Missed Memories (COMIC Anthurium 020 2014-12) [English] [TripleSevenScans]
[Kanbotan (Yuchi)] Aru Hi no Dekigoto ~Saimin Jikken~
Kouhai ga Bakunyuu de Ero Sugiru Ken ni Tsuite | 有關學妹的爆乳過於色情的這件事
Netorare Kouhai Kanojo 2
Kouhai Danshi ni Netorare SEX
(C90) [High Tech Pen Case (Tam-U)] Kouhai Bon (Natsu) [Chinese] [绅士仓库汉化]
[Himawari no Tane] Yuri Couple no Youji Taikou Junyuu Omorashi Amayakashi H + Bukatsu no Senpai o Seiteki ni Amayakasu Kouhai-chan
"Kojin Satsuei" Danshiryou Doushitsu no Doutei Houkei Kouhai o Kyousei Onanie Kyousei Shasei Satsuei Kirokushuu
Shouganai naa Kono Hentai Uzai Kouhai | If you insist, Annoying and Perverted Kouhai
(C64) [Studio Kyawn (Murakami Masaki, Sakaki Shigeru)] Jikken Ningyou ~SRW α II Kusuha Mizuha~ (Super Robot Wars)
[Kaname (Siina Yuuki)] Jikken Jikken (Toaru Majutsu no Index) [Digital]
[Hokkyoku Kikaku] Otonashii Kouhai no Onnanoko
(C68) [Studio Kyawn (Murakami Masaki, Sakaki Shigeru)] Jikken Ningyou ~Lacus Clyne & Meer Campbell~ (Mobile Suit Gundam SEED DESTINY)
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [English] [cc0dykid]
Hime Injo Jikken Ringokuhen Etsu
Uchi no Megane no Niau Tayoreru Kouhai ga Totemo Kawaii!
Maid to Kouhai Dochira ga Okonomi? | MAID vs KOUHAI: Which Do You Prefer?
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order)
OL Kentauros to Kouhai-kun
Senpai-kun to Kouhai-chan
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai | Ship Girls Pregnancy - Inazuma's Forced Crossbreeding (Kantai Collection -KanColle-) [English] [Digital]
Bukatsu no kouhai wa otoko no musume
Kouhai-kun no Okazu ni Naru Onnanoko
✦Kakusi Hikyou✦ Kouhai Suraimu no Doukutu
[Rivajima (Yajima Index)] Mata Kouhai ni Buruma Kisasete Oshiri no Ana made... Senpai wa Mou Dame desu! (Amagami)
Gendai Succubus no Osex Kenshuu -Namaiki Kouhai to Majime Senpai Hen-
[Ue ni Aru Mikan (Reitou Mikan, Amuai)] Shisshoku Shita Ore ga Seitai Tenkan Sochi de Kouhai no Jijo ni!?
[Pin-Point] [Full Color seijin ban] Ijou Chitai ~Kanojo wa Boku no Jikken Dorei~ Kanzenban
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa [Digital]
(C69) [PLECO (Chikiko)] Yokushu Shokushu ~Jikken~ (BLOOD+)
Hitokui Nezumi no Jintai Jikken
[B-side Swindle (Nonoki)] Yakubutsu Jikken Shippai Kanmusu Data Kakko Kari (Kantai Collection -KanColle-) [Digital]
[Hatomame(Ago)] Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
Kouhai no Tangan-chan
[Sennomori Maitake] Ayakashi Kouhai Kitan ~Onaka ni Shimi Wataru Atsui Tane~ 3 [Chinese] [瑞树汉化组] [Digital]
Riyuu wa Fumei daga Ecchi Shite Kureru Kouhai 2
[Risei] Sennyo Kyousei Jutai ~Kotodama Iinari Koubi Jikken~ (2D Dream Magazine Vol. 113) [Chinese] [紫苑汉化组] [Digital]
Kouhai-chan ni Eroi Koto Sareru Hon3
Houkago Kouhai Note | 放課後交配筆記本
Yuu Yami Miruku -Nonoka no Jikken Kiroku-
Fuchou to Kouhai no Oshasei Jigoku
Kouhai-chan ni Eroi Koto Sareru Hon 6
[Shinozuka Atsuto] Muramura Kouhai-chan | Hot and Bothered Junior (COMIC HOTMILK 2018-12) [English] {NecroManCr} [Digital]
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 2 [English] [Doujins.com]
Kouhai Bon | 후배의 책