(C56) [Meirei Denpa (K. Maeda, Yamamoto Yoshifumi)] Meirei Denpa Zoukan for DOS V (Revolutionary Girl Utena, Sakura Wars)
[Inanaki Shiki] Houkago Kouhai Note | 放課後交配筆記本 [Chinese]
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5 [English] [Noraneko]
(C95) [trueblue (Annie)] Cos Shite Shiyo! Kouhai Hen (Sanoba Witch)
(SPARK10) [banG (Sundomeya] Yume no Mata Yume (Yowamushi Pedal)
Kouhai Feet
[Orgasm Slap (Ichino Milk)] Senpai ga Daisuki na Kouhai to senpai ga suki Kamo Shirenai Kouhai ga senpai to Hachamecha ecchi suru Hanashi (Genshin Impact)
[Kawady Max] Randoseru (COMIC XO Zetsu! Vol. 38) [Digital]
(C86) [VOLTCOMPANY. (Asahimaru)] Doshikoi (Nisekoi) [English] [Zero Translations] [Decensored]
(C78) [Hito no Hundoshi (Yukiyoshi Mamizu)] Occult Lover Girl no Junan | Occult Lover Girl's Suffering (Occult Academy) [English] {Crimson Leo}
[Can Do Now! (Minarai Zouhyou)] B.O.W. to Hito tono Kouhai Jikken Houkokusho (Resident Evil) [Chinese] [蛋铁个人汉化]
[Atelier Maso (doskoinpo)] Otokonoko Kanzen Haiboku Manual ~Soccer-bu Hen~ 丨男孩子完全敗北手冊~足球社篇~ [Chinese] [沒有漢化]
[Atelier Maso (doskoinpo)] Sekai kara Mahou ga Kieta Hi ~Zenpen~ | The Day Magic Disappeared from the World ~Part 1~ [English] [Sloppy Seconds]
[Kamitou Masaki] Fundoshi Youkai to Honoka Chan 1
(SC2018 Autumn) [ELHEART'S (Ibuki Pon)] Kawaii Kouhai ni Itazura Shite Miru Hon (Fate/Grand Order)
(C83) [Hito no Fundoshi (Yukiyoshi Mamizu)] Sakura Sou no Ecchi na Orihon. (Sakura Sou no Pet na Kanojo) [English] {asdkg}
Rune Midgarts no Kouhai Jikken ~Archbishop Hen~
Fundoshi Haha | Мама в Фундоси
[Oka Sundome] Hiyoku dori [Chinese] [不咕鸟汉化组]
(COMIC1☆12) [Yami ni Ugomeku (Dokurosan)] Shijou Takane no Fundoshi Dosukebe Muramatsuri with Miura Azusa + Omake Paper (THE IDOLM@STER) [Chinese] [臭鼬娘漢化組]
[Rivajima (Yajima Index)] Mata Kouhai ni Buruma Kisasete Oshiri no Ana made... Senpai wa Mou Dame desu! (Amagami)
Kawaii Kouhai ni Itazura Shite Miru Hon
Kouhai Channel
Gasshukujo no Senpai Manager-tachi to -Kyuubyoudai Chinpo no Kouhai-
[Oka Sundome] Mebina-tachi no Gogo [English] [desudesu]
Kouhai Sensou Kouhen | The Second Kouhai War
(SC2019 Autumn) [The Dungeon In Yarn (Yone Kinji)] Koukan☆Nikki Kiseki-chan no Hadaka Randoseru Shashinshuu | Koukan☆Nikki Kiseki-chan's Nude Randoseru Photobook [English]
Cos Shite Shiyo! Kouhai Hen | Let's Do It With Cosplay! Kouhai Edition
(C92) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 5
DoS Musume Rei-chan no Gohoushi Sakusei Seikatsu ~Anata wa Watashi no Dohentai Goshujin-sama~
Kawaii x Kouhai ch.1
Special Training
Tonari no JK ni Odosarete Iribitararetemasu (Naki 3
Kouhai Bon | 후배의 책
(C83) [Nekomikan Aruiwa Nekomikan (Nkedoshita)] Samplitude ANK-L2
Uchi no Kouhai ga Iroiro Yuushuu Sugite Komatteru.
Tawawa na Kouhai-chan 2 + Kaijou Gentei Omakebon
(C67) [Iihitoya Dosukoidou (Minor Boy)] Dorei Joou Soara vol. 1
[Athome Shuka (Takunomi)] Enjo Kouhai 3 [Digital]
(C93) [Killcy] Kouhai Servant ga Dosukebe na Ken (Fate/Grand Order) [Chinese] [CE家族社]
(C93) [Tuzi Laoda (Henrybird9)] Chaldea Shiki Seiyoku Shori System ~Kouhai to Seijo-tachi no Baai~ (Fate/Grand Order) [Chinese] [脸肿汉化组]
(C92) [Kanden Shoujo Chuuihou (Mafuyu)] Hentai Senpai to Yajuu Kouhai (Fate/Grand Order)
[Chateau le dos (S.SHIMIZU)] PIX SENSE (Macross Frontier)
Ganbaru Kouhai | Do Your Best, Kouhai
[Nagai Michinori] Fundoshi Shoujo
[Fundoshi] Misako-san...
[Usa Usa] Fundoshi Girl
[Obeccho] Junboku na Kouhai-kun ga Senpai-kun ni Datosaseru made no Hanashi [English] {Shotachan}
Charai Kouhai ga Kawaii Onna ni Me Sametara. ~Ba Bi Niku Tokkun wa Mitsu no Aji~
Enjo Kouhai - Oshiego ha Elf, Dragon, Mermaid, Werewolf
[SLW (Q1)] Aidorei Elf Senki 2 (Record of Lodoss War) [Digital]
[Hatomame(Ago)] Bitch Ikka no Imouto ga Futanari Kouhai no Fudeoroshi Shitara Shinikaketa Hanashi.
(C93) [Athome Shuka (Takunomi)] Enjo Kouhai 4 [Chinese] [嗶咔嗶咔漢化組]