Echi Echi Kouhai-chan!
[Kihiru] Hatsujou Kanojo Kinpatsu Kanojo [Chinese]
(SC58) [Crazy☆Crazy (Hoshiume, Uta Matsuri)] Mayonaka Demo Shuraba Sugiru (Ore no Kanojo to Osananajimi ga Shuraba Sugiru)
(SC58) [Nama Cream Biyori (Nanase Meruchi)] Ore no Kanojo ga ○○ Sugiru! (Ore no Kanojo to Osananajimi ga Shuraba Sugiru)
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order) [Chinese] [花火汉化组]
Seiteki Kachikan Gyakuten Series "Tobiori Jisatsu Shisou na Kouhai o Ecchi de Yamesaseru Hanashi"
Kouhai Danshi ni Netorare SEX
Ayakashi Kouhai Kitan ~ Onaka ni Shimi Wataru Atsui Tane ~ 1
Sekkyokuteki na Kanojo
[Masamune Kokichi (Matsu Takeshi)] Dekkai Kouhai Chicchai Senpai | 大后辈小前辈 [Chinese] [黑夜汉化组] [Digital]
Fuchou to Kouhai no Oshasei Jigoku
Shikkarimono no Inubashiri Kouhai ni "Shikatanai desu ne!" to Iinagara Shite morau Hon
(C83) [Hito no Fundoshi (Yukiyoshi Mamizu)] Sakura Sou no Ecchi na Orihon. (Sakura Sou no Pet na Kanojo) [English] {asdkg}
(COMIC1☆11) [Nijigen Shoujo (Nizimoto Hirok)] Saitei Senpai to Demi Kouhai-chan (Fate/Grand Order)
[Chiba Tetsutarou] Wadatsumi-sama (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [Chinese] [翠星石汉化] [Digital]
(COMIC1☆13) [Athome Shuka (Takunomi)] Enjo Kouhai 5 [English] [biribiri]
Kyuukyoku Heiki Kanojo - Ultimate Weapon Kanojo
Ganbaru Kouhai
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Digital]
Kanojo ga ore ni kureta mono. Ore ga kanojo ni ageru mono. ILLUSTRATIONS
[Nounai Kanojo (Kishiri Toworu)] Hinamizawa Teishoku <B Lunch> (Higurashi no Naku Koro ni)
[Athome Shuka (Takunomi)] Enjo Kouhai 7 [Digital] [Chinese] [无毒汉化组]
Goumon Onna Kyoushi - Shisshin Zekkyou Kahanshin! Kouhai Onna Kyoushi Akumu no Seikyouiku
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Digital]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa [English] [FC] [Digital]
Gasshukujo no Senpai Manager-tachi to -Kyuubyoudai Chinpo no Kouhai-
Kouhai Futari ni Chinpo o Omocha ni Sareru Doutei-kun
[Itou Eight] Kouhai Missed Memories | Kouhai's Missed Memories (COMIC Anthurium 020 2014-12) [English] [TripleSevenScans]
Netorare Kouhai Kanojo 2 ~Kairaku ni Mi o Yudane Hoteru Shitai~
Kouhai Sensou Zenpen | Kouhai War First Part
(C79) [Asaki Blog Branch Office (Asaki Takayuki)] Love Urabe+ (Nazo no Kanojo X) [English] [Chocolate]
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho (Resident Evil) [Chinese] [蛋铁个人汉化]
Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
Enjo Kouhai School Festival
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru.
(SC45) [Nounai Kanojo (Kishiri Toworu)] Cirno ga Ouchi ni Yattekita! | Cirno Showed Up at My House (Touhou Project) [English] [UMAD]
H na Kanojo to Kanojo no Hanashi. 1
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
Kouhai no Bakunyuuko o Muriyari
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [Chinese] [沒有漢化] [Digital]
[Popochichi (Yahiro Pochi)] Rental Kanojo Osawari Shimasu 06 (Kanojo, Okarishimasu) [Chinese] [空気系☆漢化] [Digital]
Pote Kouhai
Enjo Kouhai
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 6-wa [Digital]
[Kosuke Haruhito] Are Suki na Kanojo Souji suki na Kanojo [Chinese] [沒有漢化] [Digital]
Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon
Kouhai Kanojo no Ijiwaru de Amaama na Tekoki Hon
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~
(C88) [Kakitsubata no Yashiro (Kakitsubata Kanae)] Kanojo ga Boku no Kanojo nara. (Oshiete! Galko-chan)
Fujun Isei Kouhai no Susume
Enjo Kouhai 10
Kouhai Danshi ni Netorare SEX ~Sourou Kareshi ja Monotarinai~
[Tsuda Hitokuchi] Kanojo no Iru Danshi to Kanojo no Inai Dnashi no Seiseikatsu no Chigai
[Inanaki Shiki] Houkago Kouhai Note | After School Mating Notes
[Ogawa Eru] "Imouto no Karada no Kanojo" to "Kanojo no Karada no Imouto", Docchi no Naka ga Kimochi Ii? 1
[Kihiru] Hatsujou Kanojo Kinpatsu Kanojo
(C89) [Shimanto Seiryuu (Shimanto Youta)] Senpai-kun to Kouhai-chan [English] [BSN]
Enjo Kouhai 8
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [English] [Digital]
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 5-wa [Digital]
[Sennomori Maitake] Ayakashi Kouhai Kitan ~Onaka ni Shimi Wataru Atsui Tane~ 3
[Inanaki Shiki] Houkago Kouhai Note | 放課後交配筆記本 [Chinese]
(SC58) [Crazy☆Crazy (Hoshiume, Uta Matsuri)] Mayonaka Demo Shuraba Sugiru (Ore no Kanojo to Osananajimi ga Shuraba Sugiru) [English] [Fateburn Family]
[cai] Kanojo ga Goshujin-sama to Deau to Kareshi wa Kanojo to Deaenai
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [English] [biribiri] [Digital]
Boku no Kanojo ga Fuzaichuu ni, Kanojo no Shinyuu no AV Joyuu to Hamemakutta Hibi no Danpen Ch.1-2
Kouhai Nanpa Beach Luluhawa
[Milk Server (Kurikama)] Zenkoku Kusshi no Ace de Nonke no Ore ga Kouhai no Namaiki Kozou-tachi ni Dildo to Chinpo ni Kusshi Milk Shashutsu Nikubenki ni Kanraku | 全国屈指可数的棒球王牌教练被小屁孩调教成肉便器 [Chinese] [蓝调个人汉化]
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5 [Chinese] [夢之行蹤漢化組]
(C79) [Nounai Kanojo (Kishiri Toworu)] Kirisame Marisa no Yuuutsu | The Melancholy of Marisa Kirisame (Touhou Project) [English] [UMAD]
(SC2018 Autumn) [ELHEART'S (Ibuki Pon)] Kawaii Kouhai ni Itazura Shite Miru Hon (Fate/Grand Order)
Astolfo Cos no Kouhai ga Satsueikaigo ni Mousou Onanie Suru Hanashi
"Imouto no Karada no Kanojo" to "Kanojo no Karada no Imouto", Docchi no Naka ga Kimochi Ii? 2
Kanojo to Boku no Kouhai no Hanashi.