(C99) [Onabe no Naka. (Niboshi)] Tenshi to Onsen Date (Tenshi Nano)
[Tsukemayuge (Yuzugin)] "Kouhai no Ashi o Mae ni Gaman Dekinakatta" nado to Kyoujutsu Shite Ori [Digital]
[NARUHO-Dou (Naruhodo)] Yobai OK BakoBako Onsen!! (Naruto) [Digital]
(C92) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan (Getsuyoubi no Tawawa) [English] [cc0dykid]
[Arakure] Jelly Multiplication (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] [biribiri] [Digital]
(C96) [Akaneko (Sakura Siro)] Dokuzetsu Kouhai DK wa Ore Senyou Kanojo [Chinese] [瑞树汉化组]
[Ousawa Kanata] Succubus to Yume no Tanezuke H! (2D Comic Magazine Yuri Ninshin Vol. 2) [Chinese] [沒有漢化] [Digital]
[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
(C96) [Shinshunshantonshou (Bukatsu)] Micchaku!! Chaldea Cosplay Sex 24-ji!!! ~Hitozuma Rider Namahame Onsen Hen~ (Fate/Grand Order) [Chinese] [不咕鸟汉化组]
Kouhai-san. To no Natsuyasumi
kouhai rapes senpai [himawari no tane] (short version)
[Shiba 4-choume] Kouhai wa Mita!
[Ginto] Haha wa Kouhai no Niku Benki
[Himawari no Tane] Yuri Couple no Youji Taikou Junyuu Omorashi Amayakashi H + Bukatsu no Senpai o Seiteki ni Amayakasu Kouhai-chan
Choukyou Kanochi Zumi Dosukebe Kouhai Servant
[Anthology] Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol.1 [Digital]
[Hatomame] Futanari Kouhai ni Onaho Tsukai Sareru ki ga Suru
Ganbaru Kouhai
(C93) [Omoshiro Burger (Tokuda Shinnosuke)] Pote Kouhai [Chinese]
(COMIC1☆11) [Athome Shuka (Takunomi)] Enjo Kouhai 2 [Chinese] [CE家族社]
(C88) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon2 [Chinese] [夢之行蹤漢化組]
Kouhai ni Odosarete
[Sameno Soft Cream] Kyonyu Aniyome to Mei to Hito Tanetsuke Onsen Oyako-chu Dashi Hodai Onsen Ryoko
Echi Echi Kouhai-chan!
[Aosagi no Mizuumi] Mesu Ochi Eigyou Kachou Kouhai Shain wa, Echiechi Otokonoko
Kouhai-chan ni Eroi Koto sareru Hon2
Kouhai Sensou Zenpen | Kouhai War First Part
Hora Hora Senpai Koko ni Kawaii Kouhai-chan ga Imasu yo? ch.6
Shortcut de Megane no Niau Kawaii Beit no Kouhai no Heya ni Agarikonde Muriyari Hamedori shitatta
[Rokumonsen (Tamahagane)] Roshutsu Shoujo Itan 6 Hen [Digital]
(C93) [Labomagi! (Takeda Aranobu)] Netorare Kouhai Kanojo ~Shiranu Ma ni Ubaware Okasareta Shitai~ [Chinese] [无毒汉化组]
(C99) [Kajishima Onsen (Kajishima Masaki)] Omatsuri Zenjitsu no Yoru Tenchi Ban 21.12
[DPg] Senpai ga Uchikomu Kouhai no Hanashi (Senpai ga Uzai Kouhai no Hanashi)
[Smokin’ Sick Style (Rokumonsen Kako)] Jikuu no Hazama no Homura-san | Homura-san’s Space-Time Loophole (Puella Magi Madoka Magica) [English]
Fukkou!? Ishu Kouhai -Mazoku to Ningen no Kyousei Jidai- 4-wa
Enkou JK to Tanezuke Oji-san
Kouhai no Amai Ryouhou
Gudako to Dosukebe Kouhai no Futanari Jijou
(SPARK9) [Dolce Einsatz (Tomoe Kiko)] Kouhai Therapy (Free!)
[Rokumonsen (Tamahagane)] Roshutsu Shoujo Itan 2.5 Hen [Digital]
Yarechau Onsen Ryokan | Doing it at a Hotspring Hoe-tel
Kouhai-chan ni Eroi Koto Sareru Hon3
[Yamada Jirushi] Beit Saki no Charai Kouhai ni Kanojo o Netorareta Hanashi [Chinese]
Zenra Roshutsu Haikai Onanie ni Dohamari Shita Hentai Kouhai Mash Kyrielight
(COMIC1☆15) [Namashoku de Hara Kowasu Tami (Kirino Kyousuke)] Samo-san to Onsen Yado de. (Fate/Grand Order)
(C89) [Shimanto Seiryuu (Shimanto Youta)] Senpai-kun to Kouhai-chan
(COMIC1☆6) [Alpha to Yukaina Nakamatachi (Alpha)] Kawaii Kouhai ni Otosaresou
Koukoku no Kouhai Kono Issen ni Ari, Kakuin Issou Bokki Doryoku Seyo
Hadaka Apron no Bou Kouhai to Ichaicha Suru Hon
(C87) [AstroQube. (masha)] Kouhai no Tangan-chan
[Shomu] Josou Kouhai-kun x Otokogirai-chan | Crossdressed Kouhai-kun x Man-Hater -chan (COMIC Shingeki 2016-06) [English] [N04H]
(C94) [Hitsuji Kikaku (Muneshiro)] C94 Omakebon Uzai Kouhai wa Pakoritai! (Uzaki-chan wa Asobitai!) [English] {Hennojin}
[Koishikawa Renzu, Aka Hige] Dorodoro massāji onsen ~ onegai… Iku made yamenaide!~ [Full Color] (ch.7/8) (Uncompleted)