(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
[Koppe] Koboreru Naisho (COMIC Kairakuten BEAST 2015-11) [Chinese] [绅士仓库汉化]
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
(SUPER23) [Strawberry (Ichigo)] Tousan ni wa Naisho ni Shitete (Shingeki no Kyojin)
[Yukan high Zakura (Chieko)] Shashin-bu Kounai Roshutsu Satsueikai - Bijutsu Jugyou Dessin Model 2 [Digital]
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-) [Chinese] [花火汉化组]
[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. 1-5 [English] {Doujins.com}
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex
Tenshi no Houkago Jugyou Chapter 9
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]
(C92) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to Umi de Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
[Nico Pun Nise] Tenshi no Kagai Jugyou
[Koneko Gumi, Shounen Marionette (Poron, Kuonji Shutaka, Namao)] Naisho no Otogibanashi [English] {Shotachan}
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san (Touhou Project) [Digital]
[Minor Boy] Keiko Sensei no Kojin Jugyou - Keiko Sensei Series 2
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou (Complete)
Kirari-Sensei no Hapi Hapi Jugyou
(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]
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
Tenshi no Houkago Jugyou Chapter 4
[Murasame Maru] Ninpara ~Botehara XXgakusei no Tokubetsu Jugyou~ | Ninpara ~Preggo Elementary Schooler's Special Lession~ [English] [ATF]
(C70) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2
[Junk Center Kameyoko Bldg] Okaa-san ga Naisho de Hikikomori Musuko no Seishori no Aite o Shiteiru Hanashi.
[Matsumoto Katsuya] Naisho no Mio Sensei | The secret Mio sensei (COMIC Masyo 2017-02) [English] [desudesu] [Digital]
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck
[Yuzu Ramune] Yankee Musume o Ecchi de Kousei!? ~Jugyou de Ijirare Shitagi ga Gusshori~ 1
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou | Teacher Yomako's Temptation Teaching (Tengen Toppa Gurren Lagann) [English] [q91]
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(C78) [Angel☆Tear (Togo)] Hinata to Yui no Kagai Jugyou (Angel Beats!)
[Oozora Kaiko (Kaiko)] Papa ni wa Naisho no Boshi no Fureai [English] {forbiddenfetish77/cocblockula}
(CCFukuoka33) [96。 (Kurokuma)] Naisho no Soudan (Free!)
(C92) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 3
On'na kishi no kagai katsudō sample
[usi] Otto ni Naisho de Ajimi Shite 2 [Digital]
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
[Unno Hotaru, Natsumi Chiharu, Yoshizawa Kei, Otohiko] Himitsu no Renai Jugyou 45
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
[Anyakunin] Kagai Jugyou (Futa-On-Male)
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-)
[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]
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho (Cutey Honey)
Tenshi no Kagai Jugyou Ch. 4
(C91) [Kitsune (Tachikawa Negoro)] Jiiji ni wa Naisho ni Shite ne (Final Fantasy XV)
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san | 不为人知的咲夜 (Touhou Project) [Chinese] [sismvg英渣汉化] [Digital]
[MULTIVITAMIN] Jugyou Sankan DL ban (Original)
[Watanabe Wataru] Minako Sensei Saigo no Bakunyuu Jugyou [Digital]
[Irotsuki Sakari] Kanjiru Kagai Jugyou
(SC33) [Human High-Light Film (Shiosaba)] Honey no Naisho 3 (Cutey Honey)
Watanabe You Sensei no Tokubetsu Jugyou
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-