Yuutousei ni Hitsuyou na Jugyou | A Class an Honor Student Needs
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
(C89) [16kenme (Sato-satoru)] Naisho no Love Situation (THE IDOLM@STER CINDERELLA GIRLS)
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica)
(C88) [Crybaby Method (Hissui)] Kawaii Kawaii Lulu-chan no Choppiri H de Naisho na Himitsu (League of Legends)
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou + Futaket Paper (Danganronpa) [English] [N04H]
Sensei no ♥ Himitsu Jugyou
(C91) [moriQ (Mori Airi)] Rem to Naisho na Koto Shimasen ka? (Re:Zero kara Hajimeru Isekai Seikatsu)
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! (Touhou Project)
[Ponsuke] Naisho no Massage | Secret Massage (COMIC LO 2016-03) [English] {5 a.m.}
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
(SC3) [Studio Wallaby (Deep Purple '72, Jacky Knee de Ukashite Punch x2 Summer de GO!)] Naisho no Azuki (Azuki-chan)
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! | Naked Swimming Class!! [English] =LWB=
(COMIC1☆5) [Mama ni wa Naisho (Purukogi Beach)] GIGANTIC DIVA (King of Fighers)
Mizuho no Ecchi na Hoshuu Jugyou
[Matsumoto Yuuka] Naisho no Cute Boy
[Chinzuriina] Sensei to Kotzukuri LOVE Jugyou (Otokonoko Heaven Vol. 11) [English] {Mysterymeat3}
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex
(CR31) [Neko to Hato (Hatoya Mameshichi)] Himitsu no Tokubetsu Jugyou (Onegai Teacher)
[Nekoya] Kyokutou no Naisho (Kyoukai Senjou no Horizon) [Digital]
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [一匙咖啡豆汉化组]
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records)
Taiiku Kyoushi 2 ~Bokura no Kagai Jugyou~
(C58) [Studio Wallaby (Deep Purple '72, Kaneko Toshiaki, Kura Oh)] Oukoku No Naisho (Puppet Princess of Marl's Kingdom)
[Guglielmo] Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ (Shishunki Marudashi!) [English] [Azzei]
(C72) [MURDERHOUSE (Workaholic)] Boku to Mama no Naisho (Keroro Gunsou)
[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]
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan)
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS)
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan [English] {Forbidden+Ranzu}
(SC34) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi 2 (Zero no Tsukaima)
(CR31) [Studio Wallaby (Deep Purple '72)] Su no Naisho!! -The secret of Su- (Vampiyan Kids)
Rean Kyoukan no Tokubetsu Kagai Jugyou
[Ichiko] Naisho no Naka - The Secret Forest (COMIC Kairakuten Beast 2016-12) [Chinese] [绅士仓库汉化]
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
[Yamamichi] Naisho ni Shimasho | Let's Do It In Secret (COMIC Tenma 2015-06) [English] [desudesu]
[Studio Wallaby (Various)] VITAMIN-B5 1/3 Ruri Ruri Naisho no Gakuen Nikki (Kidou Senkan Nadesico)
[Saeki Takao] Asa Made Kojin Jugyou
[Shunjou Shuusuke] Naisho no Jouji | Secret Affair (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
Lecia no Naisho Naisho no Chitsujo
(C77) [Zi, 66 no Oka (Mutsuki Ginji, Mu Mu Munou)] Naisho no Zange Shitsu 1 (Kannagi)
Hokenshitsu de Jugyou Chu! | Class in the Nurse's Office!
[TTSY (Kurogane)] Shougatsu Gyouji Naisho no Oshiire Sex
[Kamiya Ogawa] Mama ni Naisho Mama to Naisho (COMIC Penguin Club Sanzokuban 2018-11) [Digital]
[Ika Client] Girotin Konsoku Hoken no Jugyou
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu no Naisho (The Legend of Zelda) [English] =SW=
Raku Pera vol.8 Jugyou sankan
Classmate to Ecchi Jugyou 1~3
[Jingrock] Kokuhaku | Confession (Shougakusei Koukan Jugyou) [English] [Yoroshii]
[Fireball Products] Seki Sensei No Kagai Jisshuu
(C91) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Inokori Jugyou
Classmate to Ecchi Jugyou Ch. 5
(C91) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Inokori Jugyou [English] [H-Konbini]
[Goban] Iinchou no Kagai Jugyou | Class President's Extracurricular Lesson (Comic Megastore H 2012-05) [English] {numberkawshin} [Digital]
[Sankuro] Himitsu no Jugyou Sankan | Secret of the Classroom Visit (COMIC LO 2011-01) [English] [Mistvern]
Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou