(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan)
Kitakami-san to Naisho no Naisho
Ellen-sensei no Houkago Tokubetsu Jugyou
[Kuku ya (ckj)] Naisho desu yo? Kald-san (Firis no Atelier)
[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}
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 3
Classmate to Ecchi Jugyou Ch. 9
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan [English] {Forbidden+Ranzu}
(HaruCC20) [Mikazuki Shokudou (Kurosawa Ayuki)] Aniki ni wa Naisho da yo? (Daiya no Ace)
[Syuuen] Delivery Love (Kagai Jugyou) [English] [StatisticallyNP] [Decensored]
Megane Loli Choukyou Jugyou!!
Girotin Konsoku Hoken no Jugyou
[Furuta kazuya] Jukujo no taiken otto niha naisho
[Kitani Sai] Himitsu Jugyou
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-)
(SUPER24) [Rolling box (Kanaru Tabito, Shiina Akira)] Kyosuke ni wa Naisho (THE IDOLM@STER SideM)
[Kamiya Ogawa] Mama ni Naisho Mama to Naisho (COMIC Penguin Club Sanzokuban 2018-11) [Digital]
[Mizuyuki] Futari no Naisho no ××× (COMIC HOTMILK 2016-06) [Chinese] [無邪気漢化組]
[Kitani Sai] Shitsuraku Aroma | Lost Aroma (Himitsu Jugyou) [English] {Fated Circle}
(C85) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Yousumi Ban (Various)
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 2
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho (Cutey Honey)
Joshi-kou de Sex Jugyou ~ Sensei, Ichigenme kara Irenaide!
[Gyuunyuu Rinda] Minami Sensei no Tadashii Seikyouiku Jugyou
(C85) [CHAGASHI SAIBAN (Yamabuki Mook)] Naisho no Roommate (Infinite Stratos)
[Hiyashi Asia (Agurecchi)] Lunasa Onee-chan no Naisho no Bansoukai (Touhou Project) [Digital]
Minako Sensei Saigo no Bakunyuu Jugyou
(C88) [Polinky Hiroba (Hori Hiroaki)] Kirari-Sensei no Hapi Hapi Jugyou (THE IDOLM@STER CINDERELLA GIRLS)
[Mama ni wa Naisho (Plasma Beach)] Hihou Caligulation (Bakemonogatari)
(SC49) [Baka to Hasami (Tsukai You)] Naisho no Tsuboeri Himitsu no Itsuki (Heart Catch Precure!)
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa)
(Seishun Cup 13) [Onigiriya (Omusubi)] Zunouha Kagai Lesson (Inazuma Eleven GO)
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
(C85) [Chagashi Saiban (Yamabuki Mook)] Naisho no Roommate | Secret Roommate (IS <Infinite Stratos>) [English] [RapidSwitch+Life4Kaoru]
[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]
(C72) [Super Flat Lolinitron (Focke Wolf)] Karada no Naisho. (Asatte no Houkou.) [English] [Kamikakushi]
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
Gaman Dekinai Kagai Jugyou
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
[Fireball Products] Seki Sensei No Kagai Jisshuu Ver1.5
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho
[Matsumoto Yuuka] Naisho no Cute Boy
[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]
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou- [Chinese] [战栗的玻璃棒个人汉化]
(Puniket 37) [Kouya ni Sakebu Aitsu no Heya (Balpanther)] Naisho no Koukai Nisshi (High School Fleet)
(C89) [TKSpower (Zekkyosyu)] ※Hoshuu Jugyou desu. (ToHeart2)
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara)
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch. 1 [English] [Digital]
[Leafy] Mama ni Naisho no Hatsujouki
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 1 (English)
(Puniket 12) [Soul Magic (Sudoo Kaoru)] Suki suki Aiko-chan Mayonaka no naisho (Ojamajo Doremi)
[Yanagawa Rio] Naisho no Wonderland | Wonderland of Secrets (GoGo! Girls) [English] {5 a.m.}
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou | Sexual Lessons of the Ripple Teacher (JoJo's Bizarre Adventure) [English] {doujin-moe.us}
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
(C85) [Tooku no Sora (UTAKATA Nagi)] Musashi-san no Kojin Jugyou (Kyoukai Senjou no Horizon)
(C90) [SAZ (Onsoku Zekuu)] Kudelia Sensee no Seiteki Jugyou (Mobile Suit Gundam Tekketsu no Orphans)
(C72) [C@T Slash (Kahama Youko)] Naisho no Jikan (Kodomo no Jikan)
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
(SUPER13) [Aireal, Teruo Haruo (Fuka, Kanekiyo Miwa)] Kagai Jugyou - Extracurricular Lesson (Yu-Gi-Oh!)
Tenshi no Houkago Jugyou Chapter 3
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]
(SC31) [P-Forest (Hozumi Takashi)] Otome no Naisho Tomoe-chan to Iroiro... (Mai-Otome)
(C54) [Studio Wallaby (Various)] VITAMIN-B5 1/2 Ruri Ruri Naisho no Arbeit Nikki (Martian Successor Nadesico)
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records)
Tenshi no Houkago Jugyou Chapter 2
(CCFukuoka33) [96。 (Kurokuma)] Naisho no Soudan (Free!)
[Hayake] Sensei to Himitsu no Jugyou | Secret Lessons with Sensei (COMIC LO 2021-07) [English] {Mistvern} [Digital]
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
[Root 12-hedron (Landolt Tamaki)] Zutto Naisho ni Shiteta kedo, Jitsu wa Watashi, Haeteru no. [Digital]
(COMIC1☆3) [Human High-Light Film (Shiosaba)] Naisho no Honey (Cutey Honey)
Tenshi no Houkago Jugyou Chapter 4
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou | Una lección privada y secreta con Futaba y Kawakami-sensei
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [English] [Digital]
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
[Yamano Kitsune] Injoku Jugyou
[Keno Yantarou] Hazukashii Kagai Jugyou | 害羞的課外授業 [Chinese]
[PLEIADES☆FORTUNE (Kaniyama Yusuke)] Natsuyasumi Hoshuu Jugyou
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS)
[Babymaker (Beco)] Naisho no Kozukuri [English] [MintVoid]
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
(brilliant days 3) [amuamu (Chimu)] Bokura no Naisho no (Ensemble Stars!)
[Shindou] Naisho no Yurine-san | Yurine's Secret (COMIC ExE 02) [Chinese] [我尻故我在個人漢化]
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project)
[Katsurai Yoshiaki] Kyou-sei Kagai Shidou | After School Obedience Coaching (COMIC Megastore 2010-02) [English] {doujin-moe.us}
(C93) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 6 - Dekichatta Hen
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI) [Chinese] [最愛大屁屁x漢化組漢化組]
[Oozora Kaiko (Kaiko)] Papa ni wa Naisho no Boshi no Fureai [English] {forbiddenfetish77/cocblockula}
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
(C81) [CIRCLE ENERGY (Imaki Hitotose)] Sister Maria Sensei no Hachimitsu Jugyou (Boku wa Tomodachi ga Sukunai)
Hajimete no Jugyou Sankan
[kedamono (Tori Hrami)] Naisho no Undoukai | 运动日的秘密 [Chinese] [本子社汉化] [Colorized] [Digital]
Houkago no Kojin Jugyou
[Oomichi Imuta] Naisho ni Shite ne | Keep this a Secret, okay (Futanarikko High!) [English] [UsagiTrans]
Hokentaiiku no Hoshuu Jugyou
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
[Aoji] Kagai Jugyou (Naruto)
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)