[Leafy] Mama ni Naisho no Hatsujouki [Digital]
[Hirose Miho] Himitsu no Kagai Jugyou
(C79) [SHINING (Shaian)] Akari Yami Jugyou (Jewelpet Twinkle)
Megane Loli Choukyou Jugyou!!
[Nico Pun Nise] Tenshi no Kagai Jugyou
Classmate to Ecchi Jugyou 4~6
[Tukimi Daifuku] Mama ni wa Naisho
(C90) [Solid Air (Zonda)] Oshiete! Kaga-sensei ~Hajimete no Niana Jugyou~ (Kantai Collection -KanColle-)
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 1 | 女高中生ㄋㄟㄋㄟ全都露!? 健康教育全裸開課 [Chinese][變態浣熊漢化組][Decensored]
[Naisho (Mirai Shounen)] Jouyoku manin densha ★ Sensei... Okashite... (Full color version)
Naisho no Kagai Jugyou Nyuumonhen
[Horihone Saizou] Naisho [ENG]
[Keno Yantarou] Owaranai Kagai Jugyou
Kichiku-sensei no Kagai Jugyou
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Digital]
[Anthology] H na Kanojo to Naisho no Shutter Chance [Digital]
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo's Bizarre Adventure)
Classmate to Ecchi Jugyou
[Egawa Hiromi] Naisho ni Shitene - Please keep secret
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou [Chinese] [無邪気漢化組]
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
Tanoshii Kagai Jugyou | 즐거운 과외수업
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
[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]
(C90) [Death Para (Tamaki Kurou)] Kitakami-san to Ooicchi Naisho no Naisho (Kantai Collection -KanColle-)
[Junk Center Kameyoko Bldg] Okaa-san ga Naisho de Hikikomori Musuko no Seishori no Aite o Shiteiru Hanashi.
[Koneko Gumi, Shounen Marionette (Poron, Kuonji Shutaka, Namao)] Naisho no Otogibanashi [English] {Shotachan}
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
Muchimuchi Kanojo no NTR Hoshuu Jugyou
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (Pripara) [Chinese] [CE家族社]
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-8 [English] [Lazarus H]
(C90) [SAZ (Onsoku Zekuu)] Kudelia Sensee no Seiteki Jugyou (Mobile Suit Gundam Tekketsu no Orphans)
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
[PLEIADES☆FORTUNE (Kaniyama Yusuke)] Natsuyasumi Hoshuu Jugyou
(COMIC1☆6) [N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari)
[botibotiikoka (takku)] Joji Bitch JS wa Yuuwaku Shitagariya-san - Inokori Jugyou [Digital]
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou [English] [H-Konbini]
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Digital]
(C92) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to Umi de Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
Kyou-sei Kagai Shidou
[Keno Yantarou] Hazukashii Kagai Jugyou | 害羞的課外授業 [Chinese]
(C91) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Inokori Jugyou [English] [H-Konbini]
Taiiku no Inokori Jugyou
[TLB] Otousan to Naisho ~Aru Daikazoku no Chichi to Musume Yuku Toshi Kuru Toshi Himehajime~
[Iguchi Sentarou] Classmate to Ecchi Jugyou 1~3[Digital]
(C93) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to 3-kai Ecchi Shinai to Derarenai Heya de Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
[Goban] Iinchou no Kagai Jugyou | Class President's Extracurricular Lesson (Comic Megastore H 2012-05) [English] {numberkawshin} [Digital]
[Tsukino Jyogi] Minato-sensei no Kagai Jugyou (COMIC HOTMiLK 2015-09) [Chinese] [瓜皮汉化]
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!!
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [Digital]
[Phantom] Tsuya Ane ~Oneesan no Micchaku Jugyou~
(C73) [SUTE☆POTE (Kagura Soushi)] riri tama hoshuu jugyou! | Riritama Supplementary Lessons (Mahou Shoujo Lyrical Nanoha) [English]
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! (Kantai Collection -KanColle-) [Chinese] [BW个人汉化]
[ether] Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
(C71) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2+ Plus
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Chinese] [靴下漢化組] [Digital]
JK Yome Sakura no Kagai Jugyou
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1 [Digital]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [English] [QB Translations] [Decensored]
[Katsurai Yoshiaki] Kyou-sei Kagai Shidou | After School Obedience Coaching (COMIC Megastore 2010-02) [English] {doujin-moe.us}
Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
Gaman Dekinai Kagai Jugyou Ch. 1-9
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
Bijutsu Jugyou Dessin Model
Naisho no Kagai Jugyou Ouyou Hen
(COMIC1☆5) [Shimoyakedou (Ouma Tokiichi)] Naisho no Mahou (Puella Magi Madoka Magica)
Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu
Classmate to Ecchi Jugyou Ch. 11
Tenshi no Houkago Jugyou Chapter 10
(C78) [Angel☆Tear (Togo)] Hinata to Yui no Kagai Jugyou (Angel Beats!)
Kyou mo Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-7 [English] [Lazarus H]
[Fireball Products] Seki Sensei No Kagai Jisshuu
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project) [English] [CGrascal]
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-9
(C83) [Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [Chinese] [沒有漢化]
Secret lesson - Himitsu Jugyou
(Change More Naisho no Mahou II) [Honey Devil (Tsugumi Gumico)] MaElle-chan to <censored> (Grimoire ~Shiritsu Grimoire Mahou Gakuen~)
(C85) [CHAGASHI SAIBAN (Yamabuki Mook)] Naisho no Roommate (Infinite Stratos)
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! | Naked Swimming Class!! [English] =LWB= [Colorized] [Decensored]
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ | 女孩子補給品 性轉換之後保健的授業 [Chinese]
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [English] {Hennojin}
(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
(C83) [SHi's Laboratory (SHINGO)] Paizurina sensei no kagai koshu♪
(SUPERKansai19) [Kume (Minakami)] Kimi to Himitsu no Jugyou [English] {Shotachan}
Classmate to Ecchi Jugyou Ch. 7
Onnanoko Sapuri 〜Seitenkan Shite Hoken no Jugyou〜
[Mitsuba Minoru] Sakurako Sensei no Tokubetsu Jugyou (COMIC ExE 07) [Chinese] [黑条汉化] [Digital]
[Boss Chin (Esecool)] Naisho no Ota x Bitch (COMIC Shingeki 2012-10)
(COMIC1☆7) [Bakunyu Fullnerson (Kokuriu)] Naisho no Oshigoto (Bakemonogatari)
[Ponsuke] Naisho no Massage (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Conclusion (English)
Classmate to Ecchi Jugyou Ch. 8
(C74) [Naruho-dou (Naruhodo)] Sekaiichi Uketai Anko no Jugyou (NARUTO)
Rize Sensei to Himitsu no Jugyou
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! [Chinese] [沒有漢化]
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 2
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (PriPara)
Yume no Natsugai Jugyou
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
[Gyuunyuu Rinda] Minami Sensei no Tadashii Seikyouiku Jugyou
(SUPER24) [Rolling box (Kanaru Tabito, Shiina Akira)] Kyosuke ni wa Naisho (THE IDOLM@STER SideM)
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
[Momonosuke] Shirai-sensei no Hoshuu Jugyou | Shirai Sensei's Extra Lessons (Momoiro Otome Irony) [English] [Flatopia] [Digital]
(SPARK8) [Yu-cho (Pal)] Otona niwa Naisho (Free!)
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi [English] {Coff66 & Funeral of Smiles}
(C90) [Kaminari-neko (Eitarou)] Miho to Anzu no Naisho no Himegoto (Girls und Panzer) [English] [/u/ scanlations]
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
(C94) [Service Heaven (Azukiko)] Kawakami Sensei to Futaba no Himitsu Kojin Jugyou (Persona 5) [English] [CGrascal]
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [Decensored]
(COMIC1☆6) [MIX-ISM (Inui Sekihiko)] Naisho no ×××。 (Bakemonogatari)
(SC2015 Autumn) [Ame Usagi (Amedamacon)] Naisho no Hokenshitsu (Gochuumon wa Usagi desu ka?)