[Usi] Otto ni Naisho de Ajimi Shite Ch.1-7
[Nekomaru Rentarou] Naisho no Omajinai (Puni Pedo!!) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
[Minor Boy] Keiko Sensei no Chijoku Jugyou
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou (Tengen Toppa Gurren Lagann)
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate / hollow ataraxia)
[Nyoroman SHouji] Mucchimuchi Keiko Sensei no Chou Nikkan Dohentai Jugyou! "Kutsujoku no Kuro Mask Hentai Dorei Kamen Kanochi Hen" (Kekko Kamen)
(C58) [Studio Wallaby (Deep Purple '72, Kaneko Toshiaki, Kura Oh)] Oukoku No Naisho (Puppet Princess of Marl's Kingdom)
[Koutarou] Ritsuko-Sensei no Kojin Jugyou | Big Breasts Teacher, Children's Virginity Hunting Expert. (COMIC Bazooka 2011-12) [English]
[hcom] Jugyou ni Kyousei Rape Time ga Dounyuu Saremashita ~ Suki na Ko wo Hame Houdai! Kyousei Hame Jikan Start!
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
Kagai Jugyou Sakuya Hen
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-)
(C79) [Kirimochi Texture (Kyuu Yoyoyoyou)] Naisho no Milky Time (Tantei Opera Milky Holmes)
(C94) [Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order)
(COMIC1☆4) [Human High-Light Film (Shiosaba!)] Naisho no Makinami (Rebuild of Evangelion)
Yuutousei ni Hitsuyou na Jugyou
[Keno Yantarou] Hageshii Kagai Jugyou
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English] [magiclamp]
Kagai Jugyou | Extracurricular Activity
Onee-chan Sensei no Himitsu Jugyou
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [English] {Less Censored Version}
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? | Don't Tell Dad OK! (Brave Beats) [English] [Digital]
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]
[Monogusa Wolf] Naisho no Telephone Date
[Seina] Saisho no, Naisho no. + Natsunokedamono [Raw]
Classmate to Ecchi Jugyou Ch. 3
[Mimimimi (Narita Riuku)] Ati-sensei no Hachimitsu Jugyou Sairoku-ban (Summon Night 3) [Digital]
(C91) [Kitsune (Tachikawa Negoro)] Jiiji ni wa Naisho ni Shite ne (Final Fantasy XV)
(COMIC1☆6) [N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari)
(COMIC1☆5) [Shimoyakedou (Ouma Tokiichi)] Naisho no Mahou (Puella Magi Madoka Magica)
Zerogumi Kagai Jugyou
[sho-tan] Taiiku no Jugyou
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou [English] [H-Konbini]
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan [English] {Forbidden+Ranzu}
Houkago no Kojin Jugyou
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
(C92) [Suteuka no Koya (Komone Ushio)] Watanabe You Sensei no Tokubetsu Jugyou (Love Live! Sunshine!!)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsueikai (THE IDOLM@STER MILLION LIVE!) [Chinese] [MISO个人汉化]
Yume no Natsugai Jugyou
[Tridisaster (Saida Kazuaki)] Class no Minna ni wa Naisho Dayo! (Puella Magi Madoka Magica) [Digital]
(Seishun Cup 13) [Onigiriya (Omusubi)] Zunouha Kagai Lesson (Inazuma Eleven GO)
Ottori Kyoushi no Nettori Jugyou
(C94) [Service Heaven (Azukiko)] Kawakami Sensei to Futaba no Himitsu Kojin Jugyou (Persona 5)
(C87) [NextPreview (MIA)] Sugoku ViVid na Seikyouiku Jugyou (Mahou Shoujo Lyrical Nanoha)
(C74) [Naruho-dou (Naruhodo)] Sekai Ichi Uke Tai Anko no Jugyou (Naruto) [English] {doujin-moe.com}
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
[Q] Kagai Lesson | Extracurricular Torture [Lesson] (Fujouri na Nyotai Kousoku) [English] [Risette] [Digital]
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
(SC36) [from SCRATCH (Johnny)] SECRET LESSON ~Nanoha-sensei no Tokubetsu Jugyou~ (Mahou Shoujo Lyrical Nanoha) [Digital]
[Agata] Naisho no Kakurenbo | Hide And Seek With Friend's Mom (COMIC Megamilk Vol. 18) [English] [vaasi] [Decensored]
Tokubetsu Jugyou Shiyou! Kashima-chan!
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Digital]
Kyou-sei Kagai Shidou
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [English]
Onna Kishi no Kagai Katsudou
[Morishima Kon] Naisho no Gohoushi (Oneshota Dish) [English] [Kusojiji] [Digital]
[Sangatsu Usagi] Naisho no Teatime - The Secret Teatime
[Kamiya Ogawa] Mama ni Naisho Mama to Naisho (COMIC Penguin Club Sanzokuban 2018-11) [Digital]
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
(C89) [Tatsumaki Koutei (Takei Tsukasa)] Lecia no Naisho Naisho no Chitsujo (Granblue Fantasy) [English] {Hennojin}
[Aichi Shiho] Okaa-san ni wa Naisho (Otokonoko HEAVEN Vol. 25 DMM Tokubetsu Ban) [Chinese] [瑞树汉化组] [Digital]
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI) [Chinese] [最愛大屁屁x漢化組漢化組]
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! (Kantai Collection -KanColle-)
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
(C85) [Mama ni wa Naisho (Plasma Beach)] Hoshokukei Joshi (GOD EATER)
[FEI] Sensei's Secret Lesson Ch. 1-3 | Sensei no Himitsu Jugyou Ch. 1-3 [English] [Lazarus H]
Yomako Sensei no Yuuwaku Jugyou | Teacher Yomako's Temptation Teaching
(Puniket 37) [Kouya ni Sakebu Aitsu no Heya (Balpanther)] Naisho no Koukai Nisshi (High School Fleet)
Sekaiichi Uketai Anko no Jugyou
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
Classmate to Ecchi Jugyou Ch. 13
Kitakami-san to Ooicchi Naisho no Naisho
[HATENA-BOX (Oda Kenichi)] Hokentaiiku no Hoshuu Jugyou (Baka to Test to Shoukanjuu) [Digital]
[Koari] Naisho no Hokenshitsu (Seifuku Musou Houkago Tokubetsu Koushuu Hen) [Decensored]
[Keno Yantarou] Owaranai Kagai Jugyou
(C87) [Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-)
(C72) [MURDERHOUSE (Workaholic)] Boku to Mama no Naisho (Keroro Gunsou)
[Natsume Benkei] Nichijou-teki ni Okaa-san ni Dasu Seikatsu - Otou-san ni Naisho no Nakadashi Ecchi Hen
Sensei Daa~isuki!! Houkago no Ikenai kedo Ikechau Hoshuu Jugyou
(C93) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to 3-kai Ecchi Shinai to Derarenai Heya de Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou (Complete)
(C90) [Upagoya (Endori)] Senpai ni wa Naisho ssu yo? (Granblue Fantasy)
[Melancolic Hyodo] Hoken no Tokubetsu Jugyou
Classmate to Ecchi Jugyou Ch. 9
(C92) [megalodon (Mezashi Gohan)] Albion Gakuen Himitsu no Jugyou (Granblue Fantasy)
Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou
(C90) [Mama ni wa Naisho (Plasma Beach)] Kinniku Bokujou (THE IDOLM@STER)
(Reitaisai 9) [Hannama (Soine)] Kasen-chan Jugyou Desu-yo (Touhou Project) [English] {Pesu}
(C92) [Retasuya (Retasu)] Kaiboukan to Naisho no Asobi (Kantai Collection -KanColle-)
Zoku Sakurako Sensei no Tokubetsu Jugyou
Mama ni Naisho Mama to Naisho
(C76) [Human High-Light Film (Shiosaba)] Naisho no Honey 2 (Cutey Honey)
(C78) [Titokara 2nd Branch (Manami Tatsuya)] Ookami-san to Naisho no Doku Ringo (Ookami-san to Shichinin no Nakama-tachi)
[Studio Wallaby (Deep Purple '72)] Licca no Naisho (Super Doll Licca-chan)
(C69) [Renai Mangaka (Naruse Hirofumi)] Otome Chikku Kagai Jugyou (Mai-Otome)
[Ruku-Pusyu] Quistis Sensei no Kojin Jugyou (Final Fantasy VIII)
[Alde Hyde] Ottori Kyoushi no Nettori Jugyou (ANGEL Club 2012-04) [Chinese] [cqxl自己汉化] [Digital]
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
[Haiiro Ookami] Jokyoushi no Roshutsu Jugyou
[Yamano Kitsune] Injoku Jugyou
Keiko Sensei no Chijoku Jugyou - Keiko Sensei Series 4
[Yanagi] Oshioki Kojin Jugyou (COMIC ExE 02) [Chinese] [今天又是懶覺懶覺的巨篇]
[HIGH RISK REVOLUTION] Shiori Vol.11 Inya no Kagai Jugyou (Tokimeki Memorial)
[Tukimi Daifuku] Mama ni wa Naisho
(COMIC1☆11) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou♪ (Gochuumon wa Usagi desu ka?)