(SC57) [Rivajima (Yajima Index)] Mata Kouhai ni Bloomer Kisasete Oshiri no Ana made... Senpai wa Mou Dame desu! (Amagami)
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 8-wa [Digital]
Rune Midgarts no Kouhai Jikken ~Archbishop Hen~
Koakuma Ishu Botai Soukan
Jibun ni dake Eroi Kao o Misete Kureru Kawaii Kouhai
(C87) [MONE Keshi Gum (Monety)] Meiling ga Ochite Shimau Hanashi K ~Koakuma Route~ (Touhou Project)
[Athome Shuka (Takunomi)] Enjo Kouhai Soushuuhen 1+ 5-11 [Chinese] [買動漫授權中文版-PUBU] [Digital]
[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [Digital]
[Kaiduka] Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo? [Digital]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [无毒汉化组]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai―3wa
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru.
Nandemo Iinari ni Naru Kouhai wa Suki desu ka?
Enjo Kouhai 12
(COMIC1☆11) [Water Garden (Hekyu)] Hiasobi (Fate/Grand Order) [English] {doujins.com}
Hatsujou Kouhai
(C78) [Koakuma sageha (sage joh)] Occult Nante Daikkkirai!! (Occult Academy)
Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku
Kouhai Futari ni Chinpo o Omocha ni Sareru Doutei-kun
[Blossom Sphere (Sakurayu Haru)] Koakuma ga Patchouli ni Biyaku Semen Sosoide Toriko ni Shichau Hon (Touhou Project) [English] [Doujins.com] [Digital]
(C93) [Yuzuya (Yuzuha)] Kouhai Maid ga Osewa o Shite Kureru You desu (Fate/Grand Order)
Kawaii Kouhai ni Itazura Shite Miru Hon
(C90) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 4 [Chinese] [夢之行蹤漢化組]
Kouhai no Amai Ryouhou
Shikkarimono no Inubashiri Kouhai ni "Shikatanai desu ne!" to Iinagara Shite morau Hon
Netorare Kouhai Kanojo 2 ~Kairaku ni Mi o Yudane Hoteru Shitai~
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 2 [English] [Juggernaut Santa]
(COMIC1☆6) [Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou [Chinese] [CE家族社]
Koakuma no Patchouli Kansatsuki
Boku no Kawaii Dekiru Kouhai
Succubus Koakuma to Icha Love Vacation Doutei-kun o Oishiku Itadaki desu
Daisuki na Kouhai no Do-S na Hikaru-chan ni Mechakucha Seieki Shiboritorareru Hanashi.
Do-S Kouhai no Sundome Seme
Shouganai naa Kono Hentai Uzai Kouhai | If you insist, Annoying and Perverted Kouhai
[Zenra QQ] Fellatio Kouhai, Otouto ni naru [English] [Yuuchen]
Etchi Etchi Kouhai-chan
[Misaki (Aoi Tiduru)] Ijiwaru de Amaama ~Kouhai Kanojo ni Tekoki de Aisarereru Ohanashi~
Enjo Kouhai 2
[Hoshii Nasake] Wanko-kei Kouhai-kun no Himitsu
Deisui Haitoku Onsen - Shufu Shinohara Yukie-san no Hiasobi
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order)
(COMIC1☆7) [KINOKONOMI (Kino)] Meshimase Amai Koakuma (Touhou Project)
(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]
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5
(C90) [AstroQube. (masha)] Kouhai no Tangan-chan #4
Hiasobi Zenpen | Playing With Fire - Part Two
Fuchou to Kouhai no Oshasei Jigoku
(C95) [R*kaffy (Aichi Shiho)] Astolfo Cos no Kouhai ni Kokuhaku Sarete Sex Shita Hanashi (Fate/Grand Order)
[Mitsunoho] Naburi Tokidoki Shasei ~Kouhai no Joshi ni Makete Shasei Saserareta Ore~ [Digital]
Uruwashiki Shangri-La de Kyousei Kouhai
(C89) [Nyankoromochimochi (Kotoba Ai)] Santa Koakuma no Present (Touhou Project)
Kouhai Bon
Touhou Suikan 7 Kouhai ni Itazura sarechatta Himekaidou Hatate
[Arakureta Monotachi (Arakure)] Shortcut de Megane no Niau Kawaii Beit no Kouhai no Heya ni Agarikonde Muriyari Hamedori shitatta [Digital]
Sotsugyou no Hi made Mainichi Bus-tei de Kouhai Joshi to Sex suru Hanashi
[Gelmaga.] Kouhai ga Bakunyuu de Ero Sugiru Ken ni Tsuite | 有關學妹的爆乳過於色情的這件事 [Chinese] [巨乳星人個人漢化]
Kouhai Danshi ni Netorare SEX 2
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 7-wa [Digital]
[AstroQube. (masha)] Kouhai no Tangan-chan #2 | Kouhai-chan the Mono-Eye Girl #2 [English] [Digital]
(C91) [Athome Shuka (Takunomi)] Enjo Kouhai
[Wadannoki (Dendoro Kakariya)] Boku wa Kouhai no Onahole [Chinese] [零食汉化组] [Digital]
Aotte Kuru Kouhai o Wakara Seru!
[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]
[Saegusa Kohaku] Hiasobi
Muramura Kouhai-chan | Hot and Bothered Junior
Enjo Kouhai 11
Kouhai no Tangan-chan #4
Patchouli ga Koakuma ni Shiborareru Hon
[Hanpera] Taifuu + Sake + Kouhai=♥♥♥ (Inshokukei Oneesan ga Shitaikoto) [Chinese] [黑条汉化]
Kouhai Servant ga Dosukebe na Ken
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [English] [Digital]
[Gelmaga.] Kouhai ga Bakunyuu de Ero Sugiru Ken ni Tsuite
[Ribons Nights (Kyouno Aki)] Kawaii Kouhai [Digital]
[Aimaitei (Aimaitei Umami)] Kasshoku Otokonoko DeliHeal no Erohon ~Yattekita Shimakaze-kun wa Daigaku no Charai Kouhai de――?! Hen (Kantai Collection -KanColle-) [Chinese] [沒有漢化] [Digital]
[Dibi] Otokonoko ga Kouhai ni Ijimenukareru Ero Manga[Chinese] [雷电将军汉化]
Koakuma de Hokentaiiku
Patchouli ga Koakuma ni Shiborareru Hon (Touhou Project) Spanish
(C79) [Koakuma Sageha (Sage Joh)] Haruka no Houkago Twuru Twuru Club (Amagami)