(C57) [Studio Wallaby (Kokuden Kadotake, Shijuukara, Hontai Bai)] Shinobu no Naisho Love Hina Books (Love Hina)
[(Yuu)Adashino Suisan (Isshi Taira)] oshiete! ongon no hachimitushu jugyou
[Anzaki Moral] Nama Hanjuku Yawaana Jugyou - Fresh Soft-boiled, Sweet Hole Lesson.
(C91) [Utaneya (Shion)] Naisho no Djeeta Onee-chan (Granblue Fantasy)
Tokubetsu Jugyou Shiyou! Kashima-chan!
(SUPER23) [Dogfes (sio)] Kagai Jugyou (Ansatsu Kyoushitsu)
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
(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]
[Sakamata Nerimono] Sexual Fall (Megane Loli Choukyou Jugyou!! ~Otonashii Megane Lolikko ni Muriyari Dekachin Sounyuu~) [English] {Doujins.com}
[Q] Kagai Lesson (Fujouri na Nyotai Kousoku) [Digital]
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan)
Megane Loli Choukyou Jugyou!!
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou (Kantai Collection -KanColle-) [Digital]
(C81) [Mama ni wa Naisho (Purukogi Beach)] Fukkin! (King of Fighters)
Tenshi no Kagai Jugyou Ch. 5
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [Chinese] [夜願漢化]
[Babymaker (Beco)] Naisho no Kozukuri
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu no Naisho (The Legend of Zelda) [English] =SW=
Classmate to Ecchi Jugyou Ch. 6
[Pija] Kanojo no Naisho (COMIC Megastore Alpha 2015-11) [Chinese] [脸肿汉化组]
[GoldenGoblins (Nekokan)] Kenpeitai ni wa Naisho da yo! (Kantai Collection -KanColle-) [Digital]
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou [Chinese] [無邪気漢化組]
(CR31) [Studio Wallaby (Deep Purple '72)] Suu no Naisho!! -The secret of Su- (Vampiyan Kids)
(C90) [Death Para (Tamaki Kurou)] Kitakami-san to Ooicchi Naisho no Naisho (Kantai Collection -KanColle-)
[Light Pink] Yes! Kagai Katsudou (Yes! Precure 5)
[Alde Hyde] Ottori Kyoushi no Nettori Jugyou (ANGEL Club 2012-04) [Chinese] [cqxl自己汉化] [Digital]
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou (Kantai Collection -KanColle-) [Chinese] [空気系☆漢化] [Digital]
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project)
[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. 1-2 [English] {Doujins.com}
[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]
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-7
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI) [Chinese] [最愛大屁屁x漢化組漢化組]
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [Chinese] [黑条汉化]
[Studio Wallaby (Kokuden Kadotake, Shijuukara, Leopard)] Shaorin no Naisho (Mamotte Shugogetten!)
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [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. 1-5 [English] {Doujins.com}
Keiko Sensei no Chijoku Jugyou
[Kanzaki Shirou] Yume no Kuni no Naisho Banashi
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-8
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho
Tenshi no Kagai Jugyou Ch. 2
Gaman Dekinai Kagai Jugyou Ch. 1-9
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [星野願漢化WEI嵌字]
[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]
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
[sho-tan] Taiiku no Jugyou
[Keno Yantarou] Tadashii Kagai Jugyou [Chinese]
Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [English] [Amateur-Troya-Scans]
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- (Kuttsukiboshi)
[Tokunaga Poosaku] Himitsu no Kagai Jugyou [Chinese] [cqxl自己汉化]
Paizurina sensei no kagai koshu♪
(C91) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Inokori Jugyou [English] [H-Konbini]
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-2
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
[Iguchi Sentarou] Classmate to Ecchi Jugyou 1~3[Digital]
(C85) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Yousumi Ban (Various)
[Keno Yantarou] Gaman Dekinai Kagai Jugyou
(C73) [SUTE☆POTE (Kagura Soushi)] riri tama hoshuu jugyou! | Riritama Supplementary Lessons (Mahou Shoujo Lyrical Nanoha) [English]
[Urutsu] Teach Tea Songs (Shiroyuri Girls Love Paradise) [English] [yuriproject]
(C87) [Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-)
[Mitsuba Minoru] Zoku Sakurako Sensei no Tokubetsu Jugyou (COMIC ExE 09) [Chinese] [黑条汉化] [Digital]
[Monogusa Wolf] Naisho no Telephone Date
[Rorerore-ya (Roreru)] Shoujo to Gozen Jugyou [Chinese] [輝夜漢化]
Kitakami-san to Naisho no Naisho
Futanari Tokubetsu Jugyou
[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}
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 2 (English)
[Musenmai] Naisho (COMIC AUN 2017-01) [Chinese]
Classmate to Ecchi Jugyou Ch. 2
[Natsuyasumi] Kagai Jugyou (Tamako Market)
Sensei no ♥ Himitsu Jugyou
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
[Pavington (Takahara Sea-Gull, Marukido Sado)] Narashite Naisho no Concerto
(C88) [Polinky Hiroba (Hori Hiroaki)] Kirari-Sensei no Hapi Hapi Jugyou (THE IDOLM@STER CINDERELLA GIRLS)
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-8
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion) [English] [CGrascal]
[FEI] Sensei no Himitsu Jugyou Ch. 1-5
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-)
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-) [Chinese] [花火汉化组]
(C79) [Kirimochi Texture (Kyuu Yoyoyoyou)] Naisho no Milky Time (Tantei Opera Milky Holmes)
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou (Complete)
[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~ [English] {Doujins.com}
[Asahina Makoto] Naisho no Natsuyasumi Ch. 1-2
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou | Teacher Yomako's Temptation Teaching (Tengen Toppa Gurren Lagann) [English] [q91]
Onnanoko Sapuri 〜Seitenkan Shite Hoken no Jugyou〜
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
Yuutousei ni Hitsuyou na Jugyou
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
Hinata to Yui no Kagai Jugyou
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san | 不为人知的咲夜 (Touhou Project) [Chinese] [sismvg英渣汉化] [Digital]
Asahina Mikuru-sensei no Tokubetsu Jugyou
(Shota Scratch 25) [Yabure Kabure (Agemon)] Ogibo-san niwa Naisho desu. (Fullmetal Alchemist)
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
(C82) [THE FLYERS (Naruse Mamoru)] Ako-chan to Naisho no XX + plus (Saki Achiga-hen)
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou + Futaket Paper (Danganronpa)
Girotin Konsoku Hoken no Jugyou
[Light Pink] YES! Yes! Kagai Katsudou 2 (Yes! Precure 5)
[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]
(C94) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to Producer ga Otsukiai Shihajimete Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
[Oomichi Imuta] Naisho ni Shite ne | Keep this a Secret, okay (Futanarikko High!) [English] [UsagiTrans]
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
Kyou mo Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
[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]
Naisho no Kagai Jugyou
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo's Bizarre Adventure) [English] {DesuDesu}
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ | Health and Physical Education Practice Lesson ~Girls' Anatomy~ [English]
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
Kagai Jugyou | Extracurricular Activity
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-7
Kaoru Sensei no Tokubetsu Jugyou act2 Hikari to Kaoru
[Kuro Fn] Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu (Pakorare Award) [Chinese] [Digital]
(Shota Scratch 25) [Yabure Kabure (Agemon)] Ogibo-san niwa Naisho desu. (Fullmetal Alchemist) [English] {Shotachan}
Sensei to Kozukuri LOVE Jugyou
Riritama Hoshuu Jugyou! - Riritama Supplementary Lessons!
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
[Egawa Hiromi] Naisho ni Shitene - Please keep secret
[Mitsuba Minoru] Sakurako Sensei no Tokubetsu Jugyou (COMIC ExE 07) [Chinese] [黑条汉化] [Digital]
[Jun&Yuri (Yuriko)] Tokubetsu Jugyou Shiyou! Kashima-chan! (Kantai Collection -KanColle-)
[Sasamori Tomoe] Yuutousei Ni Hitsuyou Na Jugyou (COMIC HOTMiLK 2014-05) [Chinese] [無毒気漢化組(無邪気X无毒)]
(C85) [Tooku no Sora (UTAKATA Nagi)] Musashi-san no Kojin Jugyou (Kyoukai Senjou no Horizon)
[Kitani Sai] Himitsu Jugyou
[N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari) [Digital]
[Leafy] Mama ni Naisho no Hatsujouki
[Yanagi] Oshioki Kojin Jugyou (COMIC ExE 02) [Chinese] [今天又是懶覺懶覺的巨篇]
[Nedaore (Ayane)] Onnanoko Naisho Space (Puella Magi Madoka Magica) [Digital]
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou | Sexual Lessons of the Ripple Teacher (JoJo's Bizarre Adventure) [English] {doujin-moe.us}
[Irotsuki Sakari] Kanjiru Kagai Jugyou
[Ponsuke] Naisho no Massage | Secret Massage (COMIC LO 2016-03) [English] {5 a.m.}
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu No Naisho (The Legend of Zelda)
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [English] [AlphaYang]
[Koneko Gumi, Shounen Marionette (Poron, Kuonji Shutaka, Namao)] Naisho no Otogibanashi [English] {Shotachan}
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan [English] {Forbidden+Ranzu}