[Hasemi box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti)
[Musashimaru] Touzen Imouto ni wa Naisho de | Keep It A Secret From My Sister Of Course [English]
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou - [Chinese] [无毒汉化组]
(SC3) [Studio Wallaby (Deep Purple '72, Jacky Knee de Ukashite Punch x2 Summer de GO!)] Naisho no Azuki (Azuki-chan)
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records) [Chinese] [oo君個人漢化]
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? (Brave Beats) [Digital]
Secret lesson - Himitsu Jugyou
[Activa (SMAC)] Yomako Sensei no Tokubetsu Jugyou (Tengen Toppa Gurren Lagann) [English] {fzid4}
(C78) [Titokara 2nd Branch (Manami Tatsuya)] Ookami-san to Naisho no Doku Ringo (Ookami-san to Shichinin no Nakama-tachi)
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-8 [English] [Lazarus H]
[Oshii Rei] Kougyaku Jugyou
[Light Pink] Yes! Kagai Katsudou (Yes! Precure 5)
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex | 瞞著父母的離家SEX [Chinese] [亂交派對套子裡的殘渣翻譯] [Incomplete]
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [Chinese] [沒有漢化]
(SUPER23) [Dogfes (sio)] Kagai Jugyou (Ansatsu Kyoushitsu)
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
[Kino Hitoshi] Kojin jugyou
Kagai Jugyou Sakuya Hen
[HATENA-BOX (Oda Kenichi)] Hokentaiiku no Hoshuu Jugyou (Baka to Test to Shoukanjuu) [Digital]
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
Yume no Natsugai Jugyou
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
[Amatarou] Futari de Jugyou wo Nukedashite ♡ | Sneaking out of Class Together [English] {YQII}
[Hamasei (Tetsukui)] Houman Juku Koushi ~Kojin Juku no Oppai Sensei to Inwai Jugyou~
(COMIC1☆11) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou♪ (Gochuumon wa Usagi desu ka?)
Kobetsu Hoshuu Jugyou Ajitani Hifumi Hen
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
(C88) [Mama ni wa Naisho (Plasma Beach)] Chan nana no Shokutaku (GOD EATER)
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Digital]
(C82) [Cocotto (Mizusawa Mimori)] Naisho no xx dake Hon
[Asahina Makoto] Naisho no Wareme Lesson
Naisho no Kagai Jugyou {Hennojin}
Yuutousei ni Hitsuyou na Jugyou | A Class an Honor Student Needs
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
[MIRAGE CAT (Suika Soda)] Naisho Banashi Vol. 1-2 (Gintama) [Digital]
Mystery House 2 Densha Chikan-hen & Kyoushitsu Jugyou-hen zen 20P-ban
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]
(CR31) [Studio Wallaby (Deep Purple '72)] Suu no Naisho!! -The secret of Su- (Vampiyan Kids)
Jugyou ni Kyousei Rape Time ga Dounyuu Saremashita ~ Suki na Ko wo Hame Houdai! Kyousei Hame Jikan Start!
[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. 1-4 [English] {Doujins.com}
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
Hageshii Kagai Jugyou
[774] Naisho no Hentai Sex
Abunai Kojin Jugyou
[Morishima Kon] Naisho no Gohoushi + Bangaihen (Oneshota Dish) [English] {Hennojin}
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Secret Nails | Naisho no Nail (Aikatsu!) [English] {/u/ scanlations}
[Noise] Tobibako no Jugyou (COMIC LO 2013-05 Vol.110) [English] [Facedesk]
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ [Digital]
Tobibako no Jugyou
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
[Tokunaga Poosaku] Himitsu no Kagai Jugyou
[Pija] Kanojo no Naisho (COMIC Megastore Alpha 2015-11) [Chinese] [脸肿汉化组]
[Torajima-shi Kouhouka (Torajimaneko)] Builder to Fighter no Naisho Banashi (Gundam Build Fighters) [Chinese] [黑夜汉化组] [Digital]
(SC33) [Human High-Light Film (Shiosaba)] Honey no Naisho 3 (Cutey Honey)
[Ginto] Ure Niku Neburi Gakuenchou to Boku no Ero Hon Kagai Jugyou
[Aimaitei (Aimaitei Umami)] Futanari Osananajimi to Ore to Hajimete no Gyaku Anal Kagai Jugyou [Digital]
(CR31) [Neko to Hato (Hatoya Mameshichi)] Himitsu no Tokubetsu Jugyou (Onegai Teacher)
[(Yuu)Adashino Suisan (Isshi Taira)] oshiete! ongon no hachimitushu jugyou
(COMIC1☆7) [CARAMEL CRUNCH! (Rikatan)] Naisho no Houkago Idol (Love Live!)
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
[Ue ni Aru Mikan (Reitou Mikan, Amulai)] Dennou Sekai ni Torawarete ~Onna Avatar de Seihoushi Jugyou, Uketemasu~ [Chinese] [脸肿汉化组] [Digital]
Gaman Dekinai Kagai Jugyou Ch. 1-9
[Babymaker (Beco)] Naisho no Kozukuri 2
[Higashino Mikan] Kareshi ni Naisho de ❤ | Behind My Boyfriend's Back ❤ (COMIC Koh Vol. 3) [English] [sureok1]
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
[Circle Roman Hikou (Taihei Tengoku)] Sekaiichi Uketai Kojin Jugyou (Quiz Magic Academy)
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Digital]
[Ningen tte Iina (Ningen)] Onee-sama ni wa Naisho desu yo? (Kantai Collection -KanColle-) [Digital]
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
[Aoji] Kagai Jugyou (Naruto)(English)(yaoi)
(SC30) [P-Forest (Hozumi Takashi)] Otome no Naisho Nina-chan to iro iro... (Mai Otome)
[Taiyoukei Kaihatsu Kikou (Marubayashi Shumaru)] Setsuna-sensei no Hachimitsu Jugyou (Bishoujo Senshi Sailor Moon) [Digital]
Classmate to Ecchi Jugyou 4~6
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
Tokubetsu Jugyou Shiyou! Kashima-chan!
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
[Keno Yantarou] Hageshii Kagai Jugyou
(COMIC1☆5) [Shimoyakedou (Ouma Tokiichi)] Naisho no Mahou (Puella Magi Madoka Magica)
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu no Naisho (The Legend of Zelda) [English] =SW=
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson [English] [Lazarus H]
Kaoru Sensei no Tokubetsu Jugyou act2 Hikari to Kaoru
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-
Kyou mo Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[Mitsuba Minoru] Zoku Sakurako Sensei no Tokubetsu Jugyou (COMIC ExE 09) [Chinese] [黑条汉化] [Digital]
[Henreader] Naisho no Date Plan (COMIC X-EROS #37) [Chinese] [想抱雷妈汉化组]
[Jingrock] Kokuhaku | Confession (Shougakusei Koukan Jugyou) [English] [Yoroshii]
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]
(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
Minato-sensei no Kagai Jugyou
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(C65) [Naisho no Tsubomi (Unazuki Renge)] Naisho no Tsubomi (Various)
[Goban] Iinchou no Kagai Jugyou | Class President's Extracurricular Lesson (Comic Megastore H 2012-05) [English] {numberkawshin} [Digital]
Tenshi no Houkago Jugyou Chapter 7
Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
[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]
Sensei to Kozukuri LOVE Jugyou
[sugarBt] Hajimete no Jugyou | First lesson (COMIC Koh 2016-09) [Chinese]
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou (Danganronpa)