[Koppe] Koboreru Naisho (COMIC Kairakuten BEAST 2015-11) [Chinese] [绅士仓库汉化]
[Minor Boy] Keiko Sensei no Kojin Jugyou - Keiko Sensei Series 2
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [English] [QB Translations] [Decensored]
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! | A Secret Night Battle Practice With Big Sis Tenryuu!! (Kantai Collection -KanColle-) [English]
Classmate to Ecchi Jugyou Ch. 8
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project) [English] [CGrascal]
(C83) [SHi's Laboratory (SHINGO)] Paizurina sensei no kagai koshu♪
(C90) [SAZ (Onsoku Zekuu)] Kudelia Sensee no Seiteki Jugyou (Mobile Suit Gundam Tekketsu no Orphans)
[Amatarou] Futari de Jugyou wo Nukedashite ♡ | Sneaking out of Class Together [English] {YQII}
[774] Naisho no Hentai Sex
[FEI] Sensei no ♥ Himitsu Jugyou
[win win] Inwai Jugyou
(C91) [moriQ (Mori Airi)] Rem to Naisho na Koto Shimasen ka? (Re:Zero kara Hajimeru Isekai Seikatsu)
[FEI] Sensei's Secret Lesson Ch. 1-3 | Sensei no Himitsu Jugyou Ch. 1-3 [English] [Lazarus H]
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-7
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
[Nyoroman Shouji] Mucchimuchi Keiko Sensei no Chou Nikkan Dohentai Jugyou! "Muchimuchi Roshutsu Choukyou Aheahe Chigoku Hen" (Kekko Kamen)
[Hanpera] Katei Kyoushi no Kagai Jugyou (Ane Chichi) [Chinese] [黑条汉化]
[GoldenGoblins (Nekokan)] Kenpeitai ni wa Naisho da yo! (Kantai Collection -KanColle-) [Digital]
(Bokura no Love Live! 17) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu (Love Live! Sunshine!!)
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
Houkago no Kojin Jugyou
[Agata] Naisho no Kakurenbo | Hide And Seek With Friend's Mom (COMIC Megamilk Vol. 18) [English] [vaasi]
[BIG BOSS] Ichioku Sou Gyokusai╱Souko Sensei no Hachimitsu Jugyou (Rikujou Boueitai Mao-chan, Asagiri no Miko)
[Momonosuke] Shirai-sensei no Hoshuu Jugyou | Shirai Sensei's Extra Lessons (Momoiro Otome Irony) [English] [Flatopia] [Digital]
[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}
[Hayake] Sensei to Himitsu no Jugyou | Secret Lessons with Sensei (COMIC LO 2021-07) [English] {Mistvern} [Digital]
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
(SUPER13) [Aireal, Teruo Haruo (Fuka, Kanekiyo Miwa)] Kagai Jugyou - Extracurricular Lesson (Yu-Gi-Oh!)
(C90) [Solid Air (Zonda)] Oshiete! Kaga-sensei ~Hajimete no Niana Jugyou~ | Please teach us! Kaga-sensei's ~First DP lesson~ (Kantai Collection -KanColle-) [English] [JealousElvesTranslations]
(SC15) [Chuuni+OUT OF SIGHT (Kim Chii)] Onee-chan to Naisho 2 Ashita Biyori
(C73) [Omoshiro Burger (Tokuda Shinnosuke)] Watashi-tachi to Papa no Kagai Jugyou Album
Classmate to Ecchi Jugyou 4~6
Kichiku-sensei no Kagai Jugyou
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [Chinese] [CE家族社]
Paizurina sensei no kagai koshu♪
[Oohashiya (Oohashi Hikaru)] 3-nen A-gumi Kagai Jugyou (Mahou Sensei Negima!)
Rokujou Junko no Haisetsu Kagai Jugyou
(Seishun Cup 13) [Onigiriya (Omusubi)] Zunouha Kagai Lesson (Inazuma Eleven GO)
[Katsurai Yoshiaki] Amatsuka Gakuen no Kaikan Jugyou (COMIC X-EROS#37) [Chinese] [空気系☆漢化]
(C77) [Zi, 66 no Oka (Mutsuki Ginji, Mu Mu Munou)] Naisho no Zange Shitsu 1 (Kannagi)
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [English] [Digital]
[(Yuu)Adashino Suisan (Isshi Taira)] oshiete! ongon no hachimitushu jugyou
[Kamiya Ogawa] Mama ni Naisho Mama to Naisho (COMIC Penguin Club Sanzokuban 2018-11) [Digital]
[Ochikochitei (Tadano Kushami)] Houkago no Kojin Jugyou
Musuko no Tameni Tannin to SEX… Jugyou Sankan de Ikasenaide!
Classmate to Ecchi Jugyou Ch. 11
Oshiete! Kaga-sensei ~Hajimete no Niana Jugyou~
(C90) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Yagai Jugyou [Chinese] [無邪気漢化組]
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project) [Chinese]
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [English] [Amateur-Troya-Scans]
[Ue ni Aru Mikan (Reitou Mikan, Amulai)] Dennou Sekai ni Torawarete ~Onna Avatar de Seihoushi Jugyou, Uketemasu~[Digital]
[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]
[FEI] Sensei no Himitsu Jugyou Ch. 1-5
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsueikai (THE IDOLM@STER MILLION LIVE!) [Chinese] [MISO个人汉化]
[MIKARIN] Okaasan ni Naisho
Classmate to Ecchi Jugyou 8
(Break Shot! 9) [Zawameki Jambo (Zawameki)] Naisho no Hanashi (Danganronpa)
[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]
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou + Futaket Paper (Danganronpa) [English] [N04H]
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
(C88) [Fetism (Tanaka Ginji)] Takao-san no Naisho! (Kantai Collection -KanColle-)
(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Naisho no Nail (Aikatsu!) [2nd Edition]
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON)
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou | Una lección privada y secreta con Futaba y Kawakami-sensei
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
[Jingrock] Kokuhaku | Confession (Shougakusei Koukan Jugyou) [English] [Yoroshii]
[Melancolic Hyodo] Hoken no Tokubetsu Jugyou
(C90) [Death Para (Tamaki Kurou)] Kitakami-san to Ooicchi Naisho no Naisho (Kantai Collection -KanColle-)
[Kukuya (ckj)] Naisho desu yo? Kald-san | It's a Secret Kald-san, You Hear? (Atelier Firis) [English] [Springborn]
Kore mo Jugyou no Ikkan desu 2
[Takase Yuu] Hajimete no Jugyou Sankan (Naisho no Jiyuuchou) [English] [Raknnkarscans]
[Maekawa Hayato] Onee-chan Sensei no Himitsu Jugyou [Chinese] [篆儀通文書坊漢化]
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan [English] {Forbidden+Ranzu}
(Gakuen Trial 1.5 Kagai Jugyou) [ZCC (Zakiko)] Hi ga Kurete (Super Danganronpa 2) [English]
On'na kishi no kagai katsudō sample
Glenn Sensei no Rokudenashi Kagai Jugyou
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
[Matsumoto Yuuka] Naisho no Cute Boy
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-4 [English] [Lazarus H]
(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]
Girotin Konsoku Hoken no Jugyou
[sho-tan] Taiiku no Jugyou
[Studio Wallaby (Deep Purple '72)] Arashi no Naisho, Aiko no Himitsu (Gad Guard)
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu)
Rika Sensei no Kagai Jugyou | Rika Sensei's Extracurricular Lesson
Ninshin Inokori Jugyou
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 1 (English)
(C91) [Utaneya (Shion)] Naisho no Djeeta Onee-chan (Granblue Fantasy)
[Syuuen] Kagai Jugyou
(SC3) [Studio Wallaby (Deep Purple '72, Jacky Knee de Ukashite Punch x2 Summer de GO!)] Naisho no Azuki (Azuki-chan)
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [Digital]
Rize Sensei to Himitsu no Jugyou♪
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.1 [Chinese]
[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]
Kaoru Sensei no Tokubetsu Jugyou
[Nekomaru Rentarou] Naisho no Omajinai (Puni Pedo!!) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch. 1 [English] [Digital]
[Morishima Kon] Naisho No Gohoushi (COMIC Tenma 2016-04) [Chinese] [漢化組漢化組]
[Sada Ko-ji] Onnakyoushi Ryoujoku Jugyou Burn & Freeze