[Koneko Gumi, Shounen Marionette (Poron, Kuonji Shutaka, Namao)] Naisho no Otogibanashi [English] {Shotachan}
[Nico Pun Nise] Tenshi no Kagai Jugyou [English] [Brolen]
[Nekoya] Kyokutou no Naisho (Kyoukai Senjou no Horizon) [Digital]
Naisho no Kagai Jugyou Nyuumonhen
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
[Watanabe Wataru] Naisho ni Shite ne | Make it secret (English)
(Futaket 4) [Domestic animals (Murasame Maru)] Yan Sensei no Tokubetsu Jugyou
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
Classmate to Ecchi Jugyou Ch. 8
(C92) [Kodukuejou (Kodukue)] Fushou Akiyama Yukari no Enkou Kouza II ~Akiyama Rihatsuten Naisho no Souten Taikenkai~ (Girls und Panzer)
(C94) [Service Heaven (Azukiko)] Kawakami Sensei to Futaba no Himitsu Kojin Jugyou (Persona 5) [English] [CGrascal]
[Oozora Kaiko] Papa ni wa Naisho no Boshi no Fureai
Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou {Less Censored Version}
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-8
(C91) [Utaneya (Shion)] Naisho no Djeeta Onee-chan (Granblue Fantasy)
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
[Boss Chin (Esecool)] Naisho no Ota x Bitch (COMIC Shingeki 2012-10)
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou [Chinese] [無邪気漢化組]
Tenshi no Kagai Jugyou Ch. 5
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
[Momonosuke] Shirai Sensei no Hoshuu Jugyou (Momoiro Otome Irony) [Chinese] [黑条汉化] [Digital]
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 3
[ACTIVA (SMAC)] Yomako-sensei no Tokubetsu Jugyou (Tengen Toppa Gurren Lagann)
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
(C93) [The Seventh Sign (Kagura Yuuto)] Rean Kyoukan no Tokubetsu Kagai Jugyou (The Legend of Heroes: Trails of Cold Steel) [Chinese] [Ciel@M-No-Tamashii×無毒漢化組]
Classmate to Ecchi Jugyou Ch. 13
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON)
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu)
[AKIRA] Eve no Naisho Banashi 1
Naisho no Kagai Jugyou {Hennojin}
Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson
Onna Kishi no Kagai Katsudou
(SC15) [Chuuni+OUT OF SIGHT (Kim Chii)] Onee-chan to Naisho 2 Ashita Biyori
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou - [Chinese] [无毒汉化组]
[BOSS Chin] Naisho no Ota x Bitch (COMIC Shingeki 2012-10) [English] [desudesu] [Digital]
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck [English] {doujins.com}
[Aoji] Kagai Jugyou (Naruto)
[Shouji Ayumu] Naisho desu yo | It's a secret! (Chiccha-na Onaka) [English] [Rin]
[DL Mate] Saimin Jugyou
(C90) [SAZ (Onsoku Zekuu)] Kudelia Sensee no Seiteki Jugyou (Mobile Suit Gundam Tekketsu no Orphans)
(COMIC1☆7) [Bakunyu Fullnerson (Kokuriu)] Naisho no Oshigoto (Bakemonogatari)
(C85) [Chagashi Saiban (Yamabuki Mook)] Naisho no Roommate | Secret Roommate (IS <Infinite Stratos>) [English] [RapidSwitch+Life4Kaoru]
(C73) [Omoshiro Burger (Tokuda Shinnosuke)] Watashi-tachi to Papa no Kagai Jugyou Album
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.1 [Chinese]
[Babymaker (Beco)] Naisho no Kozukuri 2
Classmate to Ecchi Jugyou
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu No Naisho (The Legend of Zelda)
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
[Horitomo] Lamia no Tokubetsu Jugyou (Kininaru Anoko wa Monster Musume) [Chinese] [CE家族社]
[Tsukino Jyogi] Minato-sensei no Kagai Jugyou (COMIC HOTMiLK 2015-09) [Chinese] [瓜皮汉化]
[Takase Yuu] Naisho no Jiyuuchou
Classmate to Ecchi Jugyou Ch. 9
(SC24) [Naisho No Usagi Koya (Usakun)] Gohoubi Suimingu
[Konohana] Naisho no Jikan | Secret Times (COMIC Megastore 2009-04) [English] [Hentai from Hell]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
(C81) [CIRCLE ENERGY (Shin Shunkashuutou)] Sister Maria Sensei no Hachimitsu Jugyou (Boku wa Tomodachi ga Sukunai) [Digital]
(C82) [Cocotto (Mizusawa Mimori)] Naisho no xx dake Hon
(C90) [Mama ni wa Naisho (Plasma Beach)] Kinniku Bokujou (THE IDOLM@STER)
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
[R-Deco (Yusa)] Youjo Senpai niwa Naisho! (Aikatsu!) [Digital]
[Shindou] Naisho no Yurine-san | Yurine's Secret (COMIC ExE 02) [Chinese] [我尻故我在個人漢化]
[Koshou Shoushou] Kagai Jugyo ha Houkago ni
(C77) [Punipuni Doumei (Mizuki Gyokuran)] Naisho no Wankoro Mochi (Anyamaru Tantei Kiruminzoo)
[Oomichi Imuta] Naisho ni Shite ne | Keep this a Secret, okay (Futanarikko High!) [English] [UsagiTrans]
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [Chinese] [沒有漢化]
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-7
Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-9
Bijutsu Jugyou Dessin Model