(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
Minato-sensei no Kagai Jugyou
Jugyou Chuu Ni You Kya Joshi Ga Omorashi
(C80) [milkberry (Kisaragi Miyu)] Minna ni wa Naisho da yo (Puella Magi Madoka Magica)
(C82) [Spice Style Company (Kabutogani)] Naisho no Hanashi (Bakemonogatari)
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 -Houkago Yagai Jugyou- | High School Elven Transfer Student -After School Outdoor Lessons- [English] [Tremalkinger]
(C78) [Titokara 2nd Branch (Manami Tatsuya)] Ookami-san to Naisho no Doku Ringo (Ookami-san to Shichinin no Nakama-tachi)
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Digital]
[Keno Yantarou] Tanoshii Kagai Jugyou - Happy Extracurricular Lesson [Chinese]
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto [Chinese] [嗶咔嗶咔漢化組]
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ [Chinese] [沒有漢化]
Zenra de Suiei no Jugyou!! | Naked Swimming Class!!
Houkago no Kojin Jugyou
(C73) [Omoshiro Burger (Tokuda Shinnosuke)] Watashi-tachi to Papa no Kagai Jugyou Album
[Taiyoukei Kaihatsu Kikou (Marubayashi Shumaru)] Setsuna-sensei no Hachimitsu Jugyou (Bishoujo Senshi Sailor Moon) [Digital]
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya | Secret Side of Ririn-san and Her Precious Room (COMIC HOTMILK 2018-07) [English] [Stupid Beast] [Digital]
[Keno Yantarou] Abunai Kagai Jugyou
(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]
Tenshi no Houkago Jugyou Chapter 2
Sensei Daa~isuki!! Houkago no Ikenai kedo Ikechau Hoshuu Jugyou
Kagai Jugyou Sakuya Hen
Glenn Sensei no Rokudenashi Kagai Jugyou
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan - Secret of the Lovely Eyepatch)
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-7 [English] [Lazarus H]
[Chinzuriina] Sensei to Kotzukuri LOVE Jugyou (Otokonoko Heaven Vol. 11) [English] {Mysterymeat3}
Raku Pera vol.8 Jugyou sankan
(COMIC1☆4) [Human High-Light Film (Shiosaba!)] Naisho no Makinami (Rebuild of Evangelion)
[Oohashiya (Oohashi Hikaru)] 3-nen A-gumi Kagai Jugyou (Mahou Sensei Negima!)
[Koshou Shoushou] Kagai Jugyo ha Houkago ni
[Rivajima (Yajima Index)] Isuzu no Naisho Banashi (Amagi Brilliant Park) [Digital]
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-2
[Shunjou Shuusuke] Kojin Jugyou | Private Lesson (COMIC MUJIN 2012-08) [English] [darknight]
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
(COMIC1☆6) [N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari)
(C88) [Gadget (Chobariki Mitsuo)] Naisho no Beit no Susume (Yama no Susume)
[Circle Roman Hikou (Taihei Tengoku)] Sekaiichi Uketai Kojin Jugyou (Quiz Magic Academy)
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou -
Rize Sensei to Himitsu no Jugyou♪
[Henreader] Naisho no Date Plan (COMIC X-EROS #37) [Chinese] [想抱雷妈汉化组]
[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}
Naisho no Kagai Jugyou Nyuumonhen
[FEI] Sensei's Secret Lesson Ch. 1-2 | Sensei no Himitsu Jugyou Ch. 1-2 [English] [Lazarus H]
(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
[Murasame Maru] Ninpara ~Botehara XXgakusei no Tokubetsu Jugyou~
[Tridisaster (Saida Kazuaki)] Class no Minna ni wa Naisho Dayo! (Puella Magi Madoka Magica) [Digital]
(C79) [Human High-light Film (Shiosaba)] Naisho no Ayanami (Neon Genesis Evangelion) [English] [CGrascal]
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
[Pin-13 (Juusangatsu)] Futari no Naisho (Kizuato) [Digital]
(COMIC1)[Alpha to Yukaina Nakamatachi] Naisho no Oshioki (Quiz Magic Academy)
(C90) [Shinobi-Rocket (Sasamashin)] Lady to Naisho no Yoru Sanpo (Kantai Collection -KanColle-)
Classmate to Ecchi Jugyou
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project) [English] [CGrascal]
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion) [English] [CGrascal]
(SUPER23) [Dogfes (sio)] Kagai Jugyou (Ansatsu Kyoushitsu)
(SC49) [Baka to Hasami (Tsukai You)] Naisho no Tsuboeri Himitsu no Itsuki (Heart Catch Precure!)
(Futaket 4) [Domestic animals (Murasame Maru)] Yan-sensei no Tokubetsu Jugyou [English] =SW & Ero Manga Girls=
[Kitani Sai] Shitsuraku Aroma | Lost Aroma (Himitsu Jugyou) [English] {Fated Circle}
(C79) [Human High-light Film (Shiosaba)] Naisho no Ayanami (Neon Genesis Evangelion)
Onnanoko Sapuri 〜Seitenkan Shite Hoken no Jugyou〜
Classmate to Ecchi Jugyou Ch. 11
(SC30) [P-Forest (Hozumi Takashi)] Otome no Naisho Nina-chan to iro iro... (Mai Otome)
(C74) [Naruho-dou (Naruhodo)] Sekai Ichi Uke Tai Anko no Jugyou (Naruto) [English] {doujin-moe.com}
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi [Chinese] [佳奈助汉化]
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- | It's a Secret! [English] [DKN117 & laguiole]
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [English] {Hennojin}
(C90) [Solid Air (Zonda)] Oshiete! Kaga-sensei ~Hajimete no Niana Jugyou~ (Kantai Collection -KanColle-) [Chinese] [空気系☆漢化]
Kagai Choukyou
[Musenmai] Naisho (COMIC AUN 2017-01) [Chinese]
Girotin Konsoku Hoken no Jugyou
(SC36) [from SCRATCH (Johnny)] SECRET LESSON ~Nanoha-sensei no Tokubetsu Jugyou~ (Mahou Shoujo Lyrical Nanoha) [Digital]
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
[Mitarashi Kousei] Seikou Jugyou (teaching sex)
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS) [Chinese] [脸肿汉化组]
Kitakami-san to Ooicchi Naisho no Naisho
[Mitsuba Minoru] Zoku Sakurako Sensei no Tokubetsu Jugyou (COMIC ExE 09) [Chinese] [黑条汉化] [Digital]
Tenshi no Kagai Jugyou Ch. 2
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [Chinese] [黑条汉化]
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
(C86) [T.K.H.K (Hayami Aya)] Kare to Kanojo no Naisho na Natsu no Hi (Detective Conan)