[Oozora Kaiko (Kaiko)] Papa ni wa Naisho no Boshi no Fureai [Chinese] [某三人汉化组]
[Anthology] Megane Loli Choukyou Jugyou!! ~Otonashii Megane Lolikko ni Muriyari Dekachin Sounyuu~ | The Loli In Glasses' Training Lesson!! ~Force Fucking a Timid Glasses Wearing Loli With My Big Cock~ Ch. 1-3 [English] {Doujins.com}
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou- [Chinese] [战栗的玻璃棒个人汉化]
Tenshi no Houkago Jugyou Chapter 5
[Wakaba Circle] Jugyou o Sabotta Shoujo ga Tannin ni Hokenshitsu de Okasareru
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.2 [Chinese]
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-6 [English] [Lazarus H]
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-9
(COMIC1☆4) [Human High-Light Film (Shiosaba!)] Naisho no Makinami (Rebuild of Evangelion) [English]
[Activa (SMAC)] Yomako Sensei no Tokubetsu Jugyou (Tengen Toppa Gurren Lagann) [English] {fzid4}
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
[Koshou Shoushou] Kagai Jugyo ha Houkago ni
[Hard Chrome (hardcrom)] Naisho no Step (THE IDOLM@STER CINDERELLA GIRLS)
[fourthcape (Misaki Takahiro)] Sena to Naisho no Houkago (Boku wa Tomodachi ga Sukunai) [Digital]
Abunai Kojin Jugyou
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae [Chinese] [想吸大尾巴个人汉化]
(COMIC1☆5) [Mama ni wa Naisho (Purukogi Beach)] GIGANTIC DIVA (King of Fighers)
(Shota Scratch 31) [Koneko no Marionette (Kuonji Shutaka, Poron, Namao)] Naisho no Otogibanashi 2 [English] {Shotachan}
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san (Touhou Project) [Digital]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
[ARI] Naisho No Hokenshitsu (COMIC Penguin Celeb 2015-03) [Chinese] [上古勤受荣誉呈献]
Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~
(C90) [Supurabi (Haruharu Haruto)] Futari de Naisho no Ohanashi (Granblue Fantasy)
[Leafy] Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期 [Chinese] [渣橙子個人單行本漢化]
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou [Chinese] [無邪気漢化組]
[Rokkaku Yasosuke] Naisho Zuma (Comic Shitsurakuten 2013-02) [English] [Facedesk]
(C90) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Umi no Iedex
(C90) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Yagai Jugyou [Chinese] [無邪気漢化組]
Rean Kyoukan no Tokubetsu Kagai Jugyou
Glenn Sensei no Rokudenashi Kagai Jugyou
(C54) [Tange Kentou Club (Yokota Mamoru)] Clone Doll Kagai Jugyou / My Favorite Full Colour Gengashuu
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou | Una lección privada y secreta con Futaba y Kawakami-sensei
[sugarBt] Hajimete no Jugyou | First lesson (COMIC Koh 2016-09) [Chinese]
[XX-ya tte koto wa Naisho da. (Naisho da.)] Doremi-sama Doremi-sama Doremi-sama (Ojamajo Doremi)
Ellen-sensei no Houkago Tokubetsu Jugyou
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]
[Kinako Gyuu Nyuu (Tomoharu)] Naisho ni Shiyou ne (Summer Wars) [Raw]
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
[Sirotateto] Naisho no Orusuban [Digital]
[Morishima Kon] Naisho no Gohoushi (COMIC Tenma 2016-04) [English] [Kusojiji]
(C70) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2
(C81) [Mama ni wa Naisho (Purukogi Beach)] Fukkin! (King of Fighters)
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho
Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou
(COMIC1☆6) [N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari)
[Sasamori Tomoe] Yuutousei Ni Hitsuyou Na Jugyou (COMIC HOTMiLK 2014-05) [Chinese] [無毒気漢化組(無邪気X无毒)]
[Yuzuponz (Kikira)] Inumimi Seikatsu ~Hatsujouki no Itoko Namahame Tokubetsu Jugyou~ [Digital]
[Katsurai Yoshiaki] Kyou-sei Kagai Shidou | After School Obedience Coaching (COMIC Megastore 2010-02) [English] {doujin-moe.us}
[Irotsuki Sakari] Kanjiru Kagai Jugyou
Kagai Jugyou Sakuya Hen
[Tukimi Daifuku] Mama ni wa Naisho
(C94) [Aimaitei (Aimaitei Umami)] Futanari Osananajimi to Ore to Hajimete no Gyaku Anal Kagai Jugyou 丨扶她青梅竹馬和我第一次的反向小穴做愛課外授課 [Chinese] [沒有漢化]
(C77) [Punipuni Doumei (Mizuki Gyokuran)] Naisho no Wankoro Mochi (Anyamaru Tantei Kiruminzoo)
Tenkousei JK Elf 3 -Houkago Yagai Jugyou- | High School Elven Transfer Student -After School Outdoor Lessons-
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou (Tengen Toppa Gurren Lagann)
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-)
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck
[Kino Hitoshi] Kojin jugyou
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (PriPara)
(Futaket 4) [Domestic animals (Murasame Maru)] Yan Sensei no Tokubetsu Jugyou
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!!
[Konohana] Naisho no Jikan | Secret Times (COMIC Megastore 2009-04) [English] [Hentai from Hell]
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou (Kantai Collection -KanColle-) [Chinese] [空気系☆漢化] [Digital]
(C81) [Sukapon-Do (Kagawa Tomonobu, Yano Takumi)] Zerogumi Kagai Jugyou (Final Fantasy Type-0)
[Hanpera] Katei Kyoushi no Kagai Jugyou (Ane Chichi) [Chinese] [黑条汉化]
[Watanabe Wataru] Abunai Kojin Jugyou | Take private lessons in hazardous
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ [Chinese] [沒有漢化]
(C94) [MottoCompany (FLIPPER)] Senshadou Musume no Ikenai Kojin Jugyou (Girls und Panzer)
[MIKARIN] Okaasan ni Naisho
[Hirose Miho] Himitsu no Kagai Jugyou
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! [Chinese] [沒有漢化]
(COMITIA123) [Yukan high Zakura (Chieko)] Bijutsu Jugyou Dessin Model
[FEI] Sensei's Secret Lesson Ch. 1-3 | Sensei no Himitsu Jugyou Ch. 1-3 [English] [Lazarus H]
[Seiten no Hekireki (Toruneko)] Naisho no Tokkun (Jikkyou Powerful Pro Yakyuu)
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [English] {Less Censored Version}
(C83) [Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou
[Melancolic Hyodo] Hoken no Tokubetsu Jugyou
[Unknown (Unknown)] Taiiku Kyoushi 2 ~Bokura no Kagai Jugyou~
(C69) [Renai Mangaka (Naruse Hirofumi)] Otome Chikku Kagai Jugyou (Mai-Otome)
(Shota Scratch 25) [Yabure Kabure (Agemon)] Ogibo-san niwa Naisho desu. (Fullmetal Alchemist) [English] {Shotachan}
[Watanabe Wataru] Minako Sensei Saigo no Bakunyuu Jugyou [Digital]
[Fireball Products] Seki Sensei No Kagai Jisshuu Ver1.5
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
(C78) [Titokara 2nd Branch (Manami Tatsuya)] Ookami-san to Naisho no Doku Ringo (Ookami-san to Shichinin no Nakama-tachi)
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 1 | Hadakanbo Education - Schoolgirls' Breasts are Exposed!? Naked Health Lesson 1 [English] [Decensored] [artfish]
(SC33) [Human High-Light Film (Shiosaba)] Honey no Naisho 3 (Cutey Honey)
[Keno Yantarou] Hazukashii Kagai Jugyou | 害羞的課外授業 [Chinese]
Abunai Kagai Jugyou | 위험한 과외 수업
(Puniket 12) [Soul Magic (Sudoo Kaoru)] Suki suki Aiko-chan Mayonaka no naisho (Ojamajo Doremi)
[Morishima Kon] Naisho no Gohoushi + Bangaihen (Oneshota Dish) [English] {Hennojin}
Classmate to Ecchi Jugyou Ch. 7
(C94) [Service Heaven (Azukiko)] Kawakami Sensei to Futaba no Himitsu Kojin Jugyou (Persona 5)
[Gyuunyuu Rinda] Minami Sensei no Tadashii Seikyouiku Jugyou
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
[Iguchi Sentarou] Classmate to Ecchi Jugyou 1~3[Digital]
Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness)
[Ginto] Ure Niku Neburi Gakuenchou to Boku no Ero Hon Kagai Jugyou
[MULTIVITAMIN] Jugyou Sankan DL ban (Original)
[(Yuu)Adashino Suisan (Isshi Taira)] oshiete! ongon no hachimitushu jugyou
[Nanami Shizuka] Naoko-san no Naisho
(C76) [Human High-Light Film (Shiosaba)] Naisho no Honey 2 (Cutey Honey)
[Keno Yantarou] Hageshii Kagai Jugyou
[Itou Nanami] Naisho no Houkago (COMIC Potpourri Club 2014-07) [Chinese] [黑条汉化]
Sabotte Hamatte Hoshuu Jugyou | 偷懶♡上癮♡補習課程
(C76) [7 Men Zippo (Kamishima Akira)] Hokenshitsu de Jugyou Chu! | Class in the Nurse's Office! (Katekyo Hitman REBORN!) [English] [Lady Phantomhive]
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi)
(C78) [Nekoneko Panchu! (Nekoneko Panchu)] Sanshimai Choukyou Yuugi [Yukari Hen] Yukari-chan no Butabana Kachiku Choukyou [Anal Higyaku Jugyou]
On'na kishi no kagai katsudō sample
Hajimete no Jugyou Sankan
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
Tenshi no Kagai Jugyou Ch. 7
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [English] {Hennojin}
[Kuku ya (ckj)] Naisho desu yo? Kald-san (Firis no Atelier)
Secret lesson - Himitsu Jugyou
Kitakami-san to Naisho no Naisho
Kagai Jugyou Netsu Shisen
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke) [English]
(C82) [Cocotto (Mizusawa Mimori)] Naisho no xx dake Hon
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-)