(C82) [Cocotto (Mizusawa Mimori)] Naisho no xx dake Hon
Rean Kyoukan no Tokubetsu Kagai Jugyou
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project) [English] [CGrascal]
Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou
(C54) [Studio Wallaby (Various)] VITAMIN-B5 1/2 Ruri Ruri Naisho no Arbeit Nikki (Martian Successor Nadesico)
(Shota Scratch 31) [Koneko no Marionette (Kuonji Shutaka, Poron, Namao)] Naisho no Otogibanashi 2 [English] {Shotachan}
(C90) [Shinobi-Rocket (Sasamashin)] Lady to Naisho no Yoru Sanpo (Kantai Collection -KanColle-)
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS)
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
(C83) [Shinobi Rocket (Sasamashin)] HinaNagi Tokubetsu Jugyou (Hayate no Gotoku!)
[SHINING (Shaian)] Akari Yami Jugyou (Jewelpet Twinkle) [Digital]
[Kitani Sai] Shitsuraku Aroma | Lost Aroma (Himitsu Jugyou) [English] {Fated Circle}
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo's Bizarre Adventure) [Chinese] [瓜皮汉化]
Asahina Mikuru-sensei no Tokubetsu Jugyou
(C82) [Circle Ohigetan (Ohigetan)] Ohigebon-32 Classmate Manko Note 7-kame Joukan Taiiku no Jugyou no Ato Classmate no Onnanoko-tachi ni Onnanoko ya Ase no Nioi de Munmun Muremure no Joshi Kouishitsu e Shoutai Saremashita
[(Yuu)Adashino Suisan (Isshi Taira)] oshiete! ongon no hachimitushu jugyou
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (PriPara)
[Takase Yuu] Naisho no Jiyuuchou
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! (Kantai Collection -KanColle-) [Chinese] [BW个人汉化]
[Shunjou Shuusuke] Kojin Jugyou | Private Lesson (COMIC MUJIN 2012-08) [English] [darknight]
[Majo Saiban (Mion_orz)] Naisho no Omajinai [Digital]
[Seki Sabato (Tsukuru)] Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi [English] [Otokonoko Scans] [Digital]
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho 2 (Cutey Honey)
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [English] [QB Translations] [Decensored]
Abunai Kojin Jugyou
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
[Keno Yantarou] Owaranai Kagai Jugyou
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsueikai (THE IDOLM@STER MILLION LIVE!) [Chinese] [MISO个人汉化]
[Morishima Kon] Naisho no Gohoushi + Bangaihen (Oneshota Dish) [English] {Hennojin}
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 1
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-2
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [English] [AlphaYang]
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-)
Tenshi no Houkago Jugyou Chapter 4
[FEI] Sensei's Secret Lesson Ch. 1-3 | Sensei no Himitsu Jugyou Ch. 1-3 [English] [Lazarus H]
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project)
Chiron Sensei no Seikou Jugyou
(C78) [Human High-light Film (Shiosaba!)] Naisho no Asuka (Neon Genesis Evangelion)
(C81) [Mama ni wa Naisho (Purukogi Beach)] Fukkin! (King of Fighters)
[Noise] Tobibako no Jugyou (COMIC LO 2013-05 Vol.110) [English] [Facedesk]
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! - Youmu's Secret (Touhou Project) [English]
(SC59) [Marked-two (Maa-kun)] Mikan no Naisho (To LOVE-Ru)
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
[Oshii Rei] Kougyaku Jugyou
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
[Q] Kagai Lesson (Fujouri na Nyotai Kousoku) [Digital]
[Kawamura Tsukasa] Naisho ni Shitai Juu no Monogatari [Digital]
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [Chinese] [沒有漢化]
[Monogusa Wolf] Naisho no Telephone Date
Classmate to Ecchi Jugyou Ch. 7
[774] Naisho no Hentai Sex
[MoonRevenge (Miyuma Subaru)] Futari no Naisho
(SC5) [Studio Wallaby (Deep Purple '72, Kura Oh)] Doris no Naisho (D4 Princess)
(C81) [CIRCLE ENERGY (Shin Shunkashuutou)] Sister Maria Sensei no Hachimitsu Jugyou (Boku wa Tomodachi ga Sukunai) [Digital]
Minato-sensei no Kagai Jugyou
(C65) [Naisho no Tsubomi (Unazuki Renge)] Naisho no Tsubomi (Various)
[Ookami Uo] Yuutousei | The Honor Student ([Ryuushutsu] JSJC Naisho no Jian) [English]
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou (Danganronpa)
Mystery House 2 Densha Chikan-hen & Kyoushitsu Jugyou-hen zen 20P-ban
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [Digital]
(SC49) [Baka to Hasami (Tsukai You)] Naisho no Tsuboeri Himitsu no Itsuki (Heart Catch Precure!)
[Oshii Rei] Kougyaku Jugyou [English] [CGrascal]
[Yuzuponz (Kikira)] Inumimi Seikatsu ~Hatsujouki no Itoko Namahame Tokubetsu Jugyou~ [English] {JUSTICE} [Digital]
[FEI] Sensei no ♥ Himitsu Jugyou Ch.1-3
Hinata to Yui no Kagai Jugyou
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-8
[Tokunaga Poosaku] Himitsu no Kagai Jugyou
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [English] [Amateur-Troya-Scans]
[Iguchi Sentarou] Classmate to Ecchi Jugyou 1~3[Digital]
[Yamano Kitsune] Injoku Jugyou
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Digital]
Rika Sensei no Kagai Jugyou
(C90) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Yagai Jugyou [English] [H-Konbini]
[Torajima-shi Kouhouka (Torajimaneko)] Builder to Fighter no Naisho Banashi (Gundam Build Fighters) [English] {Shotachan} [Digital]
[Ika Client] Girotin Konsoku Hoken no Jugyou
[Q] Kagai Lesson (Fujouri na Nyotai Kousoku) [Chinese] [村长个人汉化] [Digital]
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ | Welcome graduate ~AV Actress's Extracurricular lesson~
[bomubomuburin (Tooyama Burin)] Jitsuen Koukai Hoken no Jugyou de Shiofuki Renzoku Zecchou
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records) [Chinese] [oo君個人漢化]
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
[Katsurai Yoshiaki] Amatsuka Gakuen no Kaikan Jugyou (COMIC X-EROS#37) [Chinese] [空気系☆漢化]
[Netoraru!] Gakkou no Jugyou de Sex Surun dakedo Matome 2 [English] [desudesu]
Sensei Daa~isuki!! Houkago no Ikenai kedo Ikechau Hoshuu Jugyou
[Aichi Shiho] Okaa-san ni wa Naisho (Otokonoko HEAVEN Vol. 25 DMM Tokubetsu Ban) [Chinese] [瑞树汉化组] [Digital]
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu No Naisho (The Legend of Zelda)
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
[Nedaore (Ayane)] Onnanoko Naisho Space (Puella Magi Madoka Magica) [Digital]
Abunai Kagai Jugyou | 위험한 과외 수업
[ether] Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
Onna Kishi no Kagai Katsudou
Naisho no Kagai Jugyou Nyuumonhen
(C70) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2
[Aimaitei (Aimaitei Umami)] Futanari Osananajimi to Ore to Hajimete no Gyaku Anal Kagai Jugyou | Me and My Futanari Childhood Friend's First Extracurricular Lesson in Reverse Anal [English] [JasmineTea] [Digital]
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS) [English]
(C90) [Upagoya (Endori)] Senpai ni wa Naisho ssu yo? (Granblue Fantasy)
Tenshi no Houkago Jugyou Chapter 8
[Ningen tte Iina (Ningen)] Onee-sama ni wa Naisho desu yo? (Kantai Collection -KanColle-) [Digital]
[Gyuunyuu Rinda] Minami Sensei no Tadashii Seikyouiku Jugyou | 美波老師的正確的性教育授業 [Chinese]
[FEI] Sensei no Himitsu Jugyou Ch. 1-5
[Light Pink] Yes! Kagai Katsudou (Yes! Precure 5)
[Yukan high Zakura (Chieko)] Shashin-bu Kounai Roshutsu Satsueikai - Bijutsu Jugyou Dessin Model 2 [Digital]
[Aoji] Kagai Jugyou (Naruto)
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
(C85) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Yousumi Ban (Various)
(C78) [Studio Wallaby (Haruhonya)] Onee-chan Sensei Zenbu to Hoshuu Jugyou
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-) [Chinese] [花火汉化组]
Kitakami-san to Naisho no Naisho
(C89) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Toshikoshi-hen
(Magical Royale) [Kuromori-ya (Morii Fuzuki)] Onna Kishi no Kagai Katsudou (Mahou Shoujo Ikusei Keikaku)
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- [English]
Kagai Katsudou
[Shinokage] Taiiku no Inokori Jugyou
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou + Futaket Paper (Danganronpa) [English] [N04H]
[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}
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! | Naked Swimming Class!! [English] =LWB= [Colorized] [Decensored]
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae [Chinese] [想吸大尾巴个人汉化]
(C69) [Renai Mangaka (Naruse Hirofumi)] Otome Chikku Kagai Jugyou (Mai-Otome)
[Inomoto Rikako] Naisho no Onnanoko
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 2 | Hadakanbo Education - Schoolgirls' Breasts are Exposed!? Naked Health Lesson 2 [English] [Decensored] [artfish]
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 -Houkago Yagai Jugyou- | High School Elven Transfer Student -After School Outdoor Lessons- [English] [Tremalkinger]
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama | The Princess' Secret (Dragon Quest XI) [English] =TLL + mrwayne=
[Murasame Maru] Ninpara ~Botehara XXgakusei no Tokubetsu Jugyou~
[Mori Hiromi] Onee-san no Kagai Jugyou
[Junai Meringue-don (Kijima Hyougo)] Saisho no, Naisho no. + Natsu no Kedamono (Haikyuu!!)
[BIG BOSS] Ichioku Sou Gyokusai╱Souko Sensei no Hachimitsu Jugyou (Rikujou Boueitai Mao-chan, Asagiri no Miko)
[usi] Otto ni Naisho de Ajimi Shite 2 [Digital]
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
[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]
(C71) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2+ Plus
[Root 12-hedron (Landolt Tamaki)] Zutto Naisho ni Shiteta kedo, Jitsu wa Watashi, Haeteru no. | I've always kept this a secret, but the truth is, I have one [English] [UsagiTrans] [Digital]
[Mitarashi Kousei] Seikou Jugyou (teaching sex)
[Phantom] Tsuya Ane ~Oneesan no Micchaku Jugyou~
Kirari-Sensei no Hapi Hapi Jugyou
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch. 5 [English] [TSHH] [Digital]
[Iguchi Sentarou] Classmate to Ecchi Jugyou 7 [Digital]
(SC32) [Tololinco (Tololi)] Markl to Sophie no Naisho no Ohanashi | Secret Story of Markl and Sophie (Howl's Moving Castle) [English] [Fated Circle]
[Asahina Makoto] Naisho no Wareme Lesson
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
Tenshi no Houkago Jugyou Chapter 9
(COMIC1☆11) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou♪ (Gochuumon wa Usagi desu ka?)
(SC26) [PLUM (Kisaragi Kanna)] Naisho! (Sukatto Golf Pangya)