(Angel Time 3) [Syunkan Saidaihusoku, Night FUCKERS (Pony R, Mitsugi)] Phantom Challenge! ~Futari no Domannaka Itadakimasu!~ (Kaitou Tenshi Twin Angel)
(C86) [Rodiura. (Rage)] Kouhai-chan ni Eroi Koto sareru Hon [English] [Crystalium]
[にょろぺでぃあ] カラレスファンタシィ しょくわた ~アップルビットの触手姫~ バフレンシア編
Onee-chan... Sennou Sarechatta: Mazomesu Kaizou Akuochi-Hen
[Eroquis! (Butcha-U)] Delightfully Fuckable and Unrefined!! + Bonus Booklet *Anal* Fuck-Day! [English] [Digital]
[Arakure] Jelly Multiplication (Naedoko ni Sareta Shoujo-tachi no Ishukan Kouhai Kiroku Vol. 2) [English] [biribiri] [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
[Ijou Nouryoku Kenkyuukaihatsu Kikou (Various)] Inousha Shoujo Kesson Goudou [Digital]
Sample H0539 Kouhai Report
[Anthology] 2D Comic Magazine - Shikyuudatsu Heroine ni Nakadashi Houdai! Vol. 2 [Digital]
[Ikameshi] Tiana vs Dark Reiz (2D Comic Magazine Nipple Fuck de Acme Jigoku! Vol. 1) [English] {darknight} [Digital]
Kanojo to Boku no Kouhai no Hanashi.
Hatsujou Kouhai
(SC60) [NIGHT FUCKERS (Mitsugi)] Komachi-san no Eroi Tokoro ni Yagai de Chucchu Suru Hanashi (Touhou Project)
[Akuten Soushin (Kokutou Nikke)] Kanmusu Chakunin Inazuma Kyousei Ishu Kouhai (Kantai Collection -KanColle-) [English] [Doujins.com] [Digital]
Fujun Isei Kouhai no Susume
(SC2017 Summer) [NIGHT FUCKERS (Mitsugi)] Ikenai! Christina-sensei (Kyoukai Senjou no Horizon)
Pote Kouhai
Kurogyaru Kouhai Otokono Musumederihero~Gyakuanarukoosu
Cover + illustration
Astolfo Cos no Kouhai ga Satsueikaigo ni Mousou Onanie Suru Hanashi
[Ikameshi Shokudou (Ikameshi)] Seisenki Iris ~Sennou Kaizou Sareru Otome no Nikutai~ [Digital]
Byleth Sensei ga Mune de Shite kureru Hon | A book where Byleth-sensei gives a titfuck
Parasitized Giant Slugs V.S. Sorceress of the Black Hair as Aura
Kouhai Sensou Zenpen | Kouhai War First Part
(C93) [MARCH (Minakuchi Takashi)] Boku no Mash no Kouhai Ryoku (Fate/Grand Order)
(C87) [Aroma Terrace (Niki)] Kouhai-chan to Asa kara Nyan Nyan
Enjo Kouhai In The Closet
Shinchou 175cm no Rikujou Shoujo wa Kouhai Danshi no Seishi o Nomitagaru
(C90) [Tiramisu Tart (Kazuhiro)] Inran Elf Haha to Roper [English] [constantly]
Kouhai-chan ni Eroi Koto sareru Hon
(C94) [Athome Shuka (Takunomi)] Enjo Kouhai Different Clothes [Chinese] [Decensored]
[Hakujira Uminekodan (Shimuu)] BotePara (PriPara) [Chinese] [贝尔西行寺个人汉化] [Digital]
(C83) [Draw Go (Watanabe Souichi)] Chouzetsu Namadashi Jaero Fuck | Super High-Speed Creampie Gyro-Fucker (Chousoku Henkei Gyrozetter) [English] [doujin-moe.us]
(COMIC1☆13) [Akapenguin (Asahina Hikage)] Tawawa na Kouhai-chan 2 + Tawawa na Omakebon (Getsuyoubi no Tawawa)
Boku wa Kouhai no Onahole
(C93) [kulmov_ (Kurowa)] Kouhai Channel (Fate/Grand Order) [Chinese] [上野联邦汉化组]
(ComiComi14) [Pintsize (Hozumi Touzi)] Dashoku Densetsu ~Maetsu ni Kuruu Kazehime Riesz~ (Seiken Densetsu 3) [English] [desudesu]
[Egoistic Honey, Allegro Mistic, Kuroneko-kan (Hadumi Rio, Takano Yuki, Muririn)] Kouhai ni ♥♥ Sarechau Hon [2018-08-26]
[Akitarainu (Chakkaman)] Touhou Chara ga Doubutsu to no Akachan o Umu tame ni Kouhai Saserareru Juukan Hon (Touhou Project) [Digital]
Muttsuri Kouhai Mash ni Misetuketai