(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Secret Nails | Naisho no Nail (Aikatsu!) [English] {/u/ scanlations}
(C94) [Kaiteinnu (Rajunnu)] Mary ni wa Naisho desu! (Fate/Grand Order)
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto [Chinese] [嗶咔嗶咔漢化組]
[Pin-13 (Juusangatsu)] Futari no Naisho (Kizuato) [Digital]
(C72) [SimaSima System (Nagisawa You)] Naisho no Hokentaiiku (Cardcaptor Sakura)
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho
[SHINING (Shaian)] Akari Yami Jugyou (Jewelpet Twinkle) [Digital]
Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu
(C85) [Chagashi Saiban (Yamabuki Mook)] Naisho no Roommate | Secret Roommate (IS <Infinite Stratos>) [English] [RapidSwitch+Life4Kaoru]
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
Tenshi no Kagai Jugyou Ch. 7
(SUPER23) [Strawberry (Ichigo)] Tousan ni wa Naisho ni Shitete (Shingeki no Kyojin)
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi
(C90) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Umi no Iedex [Chinese] [偷偷看著海邊亂交趴後在太平洋上射了殘渣翻譯]
(C90) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Umi no Iedex
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-)
[Keno Yantarou] Gaman Dekinai Kagai Jugyou
(Puniket 35) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
[Sasamori Tomoe] Yuutousei Ni Hitsuyou Na Jugyou (COMIC HOTMiLK 2014-05) [Chinese] [無毒気漢化組(無邪気X无毒)]
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~
(C94) [Critical Hit! (Zetz)] Mutsuki no Naisho (Azur Lane)
Kagai Jugyou Netsu Shisen
Kimi to Himitsu no Jugyou
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou (Complete)
(C92) [Kodukuejou (Kodukue)] Fushou Akiyama Yukari no Enkou Kouza II ~Akiyama Rihatsuten Naisho no Souten Taikenkai~ (Girls und Panzer)
(C90) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Yagai Jugyou [Chinese] [無邪気漢化組]
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian
[Oozora Kaiko] Papa ni wa Naisho no Boshi no Fureai
[Nyoroman SHouji] Mucchimuchi Keiko Sensei no Chou Nikkan Dohentai Jugyou! "Kutsujoku no Kuro Mask Hentai Dorei Kamen Kanochi Hen" (Kekko Kamen)
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-7
[Oshii Rei] Kougyaku Jugyou
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsueikai (THE IDOLM@STER MILLION LIVE!) [Chinese] [MISO个人汉化]
[Musashimaru] Touzen, Imouto ni wa Naisho de [Digital]
[Nyoroman Shouji] Mucchimuchi Keiko Sensei no Chou Nikkan Dohentai Jugyou! "Muchimuchi Roshutsu Choukyou Aheahe Chigoku Hen" (Kekko Kamen)
[Yamano Kitsune] Injoku Jugyou
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
(C55) [Studio Wallaby (Deep Purple '72, Takana Yu-ki, Niiruma Kenji)] Iincho no Naisho (To Heart)
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
[Takase Yuu] Naisho no Jiyuuchou
(C83) [Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou
Kagai Jugyou | Delivery love
(CSP5) [popular plus (Plus)] Boku to Hideyoshi to Naisho no Yorimichi (Baka to Test to Shoukanjuu)
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [Chinese]
(HaruCC19) [Harench-noon (Inao Maasa)] Naisho Na Karada (DRAMAtical Murder)
(C85) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Yousumi Ban (Various)
[Yamamichi] Naisho ni Shimasho | Let's Do It In Secret (COMIC Tenma 2015-06) [English] [desudesu]
[Studio Wallaby (Various)] Vitamin-B5 1/4 Ruri Ruri Naisho no Maid Nikki (Martian Successor Nadesico)
Naisho no Kagai Jugyou Ouyou Hen
[Yanagi] Oshioki Kojin Jugyou (COMIC ExE 02) [Chinese] [今天又是懶覺懶覺的巨篇]
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[Oohashiya (Oohashi Hikaru)] 3-nen A-gumi Kagai Jugyou (Mahou Sensei Negima!)
[Babymaker (Beco)] Naisho no Kozukuri
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
(C82) [Natsu no Umi (Natsumi Akira)] Mama ni wa Naisho no XXX (Smile PreCure!)
[Horihone Saizou] Naisho-Yoo
(C88) [Fetism (Tanaka Ginji)] Takao-san no Naisho! (Kantai Collection -KanColle-)
Kagai Katsudou
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-5
(C85) [Majimadou (Matou)] Enoshima Sensei no Chou Zetsubouteki Zecchou Jugyou (Danganronpa) [English] {Less Censored Version}
[Kamiya Ogawa] Mama ni Naisho Mama to Naisho (COMIC Penguin Club Sanzokuban 2018-11) [Digital]
[Oshii Rei] Kougyaku Jugyou [English] [CGrascal]
Hajimete no Jugyou Sankan
(C94) [MottoCompany (FLIPPER)] Senshadou Musume no Ikenai Kojin Jugyou (Girls und Panzer)
[Babymaker (Beco)] Naisho no Kozukuri 2
Tsuya Ane ~Onee-san no Micchaku Jugyou~
[Studio Wallaby (Various)] Tron no Naisho (Mega Man Legends)
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-)
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [Chinese] [CE家族社]
(C90) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Yagai Jugyou [English] [H-Konbini]
[Keno Yantarou] Hageshii Kagai Jugyou [Chinese]
Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
[Melancolic Hyodo] Hoken no Tokubetsu 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. 1-8
(C90) [Supurabi (Haruharu Haruto)] Futari de Naisho no Ohanashi (Granblue Fantasy)
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-
[Taiyoukei Kaihatsu Kikou (Marubayashi Shumaru)] Setsuna-sensei no Hachimitsu Jugyou (Bishoujo Senshi Sailor Moon) [Digital]
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho 2 (Cutey Honey)
[Hasemi box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti)
[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. 1-3 [English] {Doujins.com}
[Coffee Maker (Asamine Tel)] Naisho desu yo (Fate/Grand Order) [Chinese] [胸垫汉化组] [Digital]
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi [Chinese] [佳奈助汉化]
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-5 [English] [Lazarus H]
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo's Bizarre Adventure) [English] {DesuDesu}
[Kukuya (ckj)] Naisho desu yo? Kald-san | It's a Secret Kald-san, You Hear? (Atelier Firis) [English] [Springborn]
[Fuusen Club] Naisho no Ehon
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae [Chinese] [想吸大尾巴个人汉化]
(CR31) [Studio Wallaby (Deep Purple '72)] Su no Naisho!! -The secret of Su- (Vampiyan Kids)
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project) [English] [desudesu]
(ComicLive in Nagoya) [Konekopan (rie)] Naisho no Mashimaro Heart! (Ensemble Stars!)
[Light Pink] Yes! Kagai Katsudou (Yes! Precure 5)
[Karakuchi Choucream] Minarai Succubus Himitsu no Jugyou (COMIC Mangekyo 2015-07) [Chinese] [绅士仓库汉化]
[Ue ni Aru Mikan (Reitou Mikan, Amulai)] Dennou Sekai ni Torawarete ~Onna Avatar de Seihoushi Jugyou, Uketemasu~ [Chinese] [脸肿汉化组] [Digital]
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~
(CiNDERELLA ☆ STAGE 6 STEP) [Rokata Aruki (Akino Komichi)] Naisho no Ohanashi o (THE IDOLM@STER CINDERELLA GIRLS)
[Root 12-hedron (Landolt Tamaki)] Zutto Naisho ni Shiteta kedo, Jitsu wa Watashi, Haeteru no. [Digital]
Rika Sensei no Kagai Jugyou
[Babymaker (Beco)] Naisho no Kozukuri [English] [MintVoid]
[Kitani Sai] Himitsu Jugyou
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto
Kichiku-sensei no Kagai Jugyou
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya | Ririn-san's Secret Expression and Her Precious Room (COMIC HOTMILK 2018-07) [English] [Stupid Beast] [Digital]
(COMIC1☆11) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou♪ (Gochuumon wa Usagi desu ka?)
Kaoru Sensei no Tokubetsu Jugyou act2 Hikari to Kaoru
Chakui Shasei no Susume Sensei no Kagai Jugyou
(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]
Taiiku no Inokori Jugyou
(C86) [Hyogetsu (Momonoki Fum)] Riko no Kagai Jugyou (To LOVE-Ru)
[Nico Pun Nise] Tenshi no Kagai Jugyou
(Shotaket 11) [Sorairo March (Narusawa Sora)] SECRET FILE (Naisho no Yorimichi)
[Oyama Yasunaga] Kahanshin Jugyou - Teaching About the Lower Half of the Body
[Asahina Makoto] Naisho no Wareme Lesson
[R-Deco (Yusa)] Youjo Senpai niwa Naisho! (Aikatsu!) [Digital]
Sensei Daa~isuki!! Houkago no Ikenai kedo Ikechau Hoshuu Jugyou
[Natsume Benkei] Nichijou-teki ni Okaa-san ni Dasu Seikatsu - Otou-san ni Naisho no Nakadashi Ecchi Hen