(Reitaisai 10) [Maruiro Kikou (846gou)] OL Megane Yuugi to Kouhai ga Zukkon Bakkon Suru Hon (Touhou Project)
Houkago no Kyoushitsu de Kouhai to Ge
(C75) [Otomekibun (Sansyoku Amido.)] Gakkou de Seishun! -Kouhai mo Issho-
[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [English] [ARMAE] [Digital]
(C90) [Shimanto Seiryuu (Shimanto Youta)] Kouhai-chan Ki o Tsukete! [English] [BSN]
[Masamune Kokichi (Matsu Takeshi)] Dekkai Kouhai Chicchai Senpai | 大后辈小前辈 [Chinese] [黑夜汉化组] [Digital]
[Omoshiro Burger (Tokuda Shinnosuke)] POTE KO-HAI [Digital]
Bakunyuu de Kouhai no JK to Paizuri Suru dake
[Nakamine Hiroshi] Ane Kano | 姐姐女友 [Chinese]
(C85) [Sekai Kakumei Club (Ozawa Reido)] Koukoku no Kouhai Kono Issen ni Ari, Kakuin Issou Bokki Doryoku Seyo (Kantai Collection -KanColle-)
[Okunoha] Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 3-wa [Digital]
(C93) [LOFLAT (Prime)] Maid to Kouhai Dochira ga Okonomi? (Fate/Grand Order)
[Rodiura. (Rage)] Kouhai-chan ni Eroi Koto Sareru Hon 3 [English] [Doujins.com] [Digital]
kouhai rapes senpai [himawari no tane] (short version)
(C89) [Shiawase Kyouwakoku (Shiawase no Katachi)] Shiawase no Katachi no Guruguru Netachou 83R - Kouhai Jikken Hito x Saru Ninshin Shussan Satsuei [Chinese] [屏幕髒了漢化]
Ore no Kouhai to Imouto ga Neoki ni Osotte Kuru.
(C95) [Time-Leap (Aoiro Ichigou)] NFF Service Ura Menu Cojanskaya Sanhenge 2018 Fuyu Time-Leap Kaijou Genteibon (Fate/Grand Order) [Chinese] [肉包汉化组]
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——
Kouhai Danshi ni Netorare SEX 3
[Kamepotel (Izuki Jirou)] ○Gakusei wa Saikou daze! Ni (Ro-Kyu-Bu!) [Digital]
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order) [English] [NHNL]
Boku wa Kouhai no Onahole
[Triangle! (Maple, Yami Satori)] Kurage Musume-chan no Amaama Aigan Kouhai Nikki [Digital]
Enjo Kouhai In The Closet
[Nigiri Usagi] Senpai ni Jibun ga Mesu de Aru Koto o Wakarasareru Kouhai Zoku [Zenpen] | 被前輩教做人認清自己是雌性的後輩·續【前編】[Chinese] [天帝哥個人漢化]
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni Sarechau Hon [Chinese] [佐倉七海个人翻訳] [2018-08-26]
[Applecat (Potekoro)] Zetsubou no Saki [2001-09-07]