(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
Megane Loli Choukyou Jugyou!!
Tenshi no Kagai Jugyou Ch. 4
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS) [English]
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-4 [English] [Lazarus H]
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
[Phantom] Tsuya Ane ~Oneesan no Micchaku Jugyou~
(C76) [7 Men Zippo (Kamishima Akira)] Hokenshitsu de Jugyou Chu! | Class in the Nurse's Office! (Katekyo Hitman REBORN!) [English] [Lady Phantomhive]
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 3
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
Glenn Sensei no Rokudenashi Kagai Jugyou
(C70) [ENERGYA (Russia no Dassouhei)] Asahina Mikuru-sensei no Tokubetsu Jugyou (Suzumiya Haruhi no Yuuutsu)
[Matsumoto Katsuya] Naisho no Mio Sensei | The secret Mio sensei (COMIC Masyo 2017-02) [English] [desudesu] [Digital]
(C90) [Supurabi (Haruharu Haruto)] Futari de Naisho no Ohanashi (Granblue Fantasy)
Abunai Kagai Jugyou | 위험한 과외 수업
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
[Iguchi Sentarou] Classmate to Ecchi Jugyou 7 [Digital]
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
[FEI] Sensei's Secret Lesson Ch. 1-3 | Sensei no Himitsu Jugyou Ch. 1-3 [English] [Lazarus H]
(SC36) [from SCRATCH (Johnny)] SECRET LESSON ~Nanoha-sensei no Tokubetsu Jugyou~ (Mahou Shoujo Lyrical Nanoha) [Digital]
(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
Kagai Jugyou Sakuya Hen
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
[Kitani Sai] Secret lesson - Himitsu Jugyou [English]
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin] [Decensored]
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-5
Classmate to Ecchi Jugyou
(C92) [Macaron*Sketch (Yukatama)] Naisho no Cappuccino (Gochuumon wa Usagi desu ka?)
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)
Chiron Sensei no Seikou Jugyou
Tenkousei JK Elf -Houkago Choukyou Jugyou-
Classmate to Ecchi Jugyou Ch. 6
[Tachibanaya] Megmica-san to Kagai Katsudou (Meg and Seron)
(Seishun Cup 13) [Onigiriya (Omusubi)] Zunouha Kagai Lesson (Inazuma Eleven GO)
Ninshin Inokori Jugyou
(C86) [T.K.H.K (Hayami Aya)] Kare to Kanojo no Naisho na Natsu no Hi (Detective Conan)
[R-Deco (Yusa)] Youjo Senpai niwa Naisho! (Aikatsu!) [Digital]
Naisho no Kagai Jugyou
(SC5) [Studio Wallaby (Deep Purple '72, Kura Oh)] Doris no Naisho (D4 Princess)
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou | Teacher Yomako's Temptation Teaching (Tengen Toppa Gurren Lagann) [English] [q91]
[Oshii Rei] Kougyaku Jugyou [English] [CGrascal]
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
(SUPER24) [Rolling box (Kanaru Tabito, Shiina Akira)] Kyosuke ni wa Naisho (THE IDOLM@STER SideM)
(C93) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 6 - Dekichatta Hen [Chinese] [脸肿汉化组]
[Sirotateto] Naisho no Orusuban [Digital]
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
(Break Shot! 9) [Zawameki Jambo (Zawameki)] Naisho no Hanashi (Danganronpa)
[Ginto] Ure Niku Neburi Gakuenchou to Boku no Ero Hon Kagai Jugyou
Namaikikko ni Kyousei Ikiiki Jugyou
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
[Irotsuki Sakari] Kanjiru Kagai Jugyou
(Puniket 12) [England Peach (Eikokukan Momoha)] Papa to Naisho (Ojamajo Doremi)
[FEI] Sensei's Secret Lesson Ch. 1-2 | Sensei no Himitsu Jugyou Ch. 1-2 [English] [Lazarus H]
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [星野願個人漢化]
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
Kichiku-sensei no Kagai Jugyou
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
(C92) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 3
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex | 瞞著父母的離家SEX [Chinese] [亂交派對套子裡的殘渣翻譯] [Incomplete]
(SC30) [P-Forest (Hozumi Takashi)] Otome no Naisho Nina-chan to iro iro... (Mai Otome)
Musuko no Tameni Tannin to SEX… Jugyou Sankan de Ikasenaide!
(HaruCC20) [Mikazuki Shokudou (Kurosawa Ayuki)] Aniki ni wa Naisho da yo? (Daiya no Ace)
Bijutsu Jugyou Dessin Model
[Sasamori Tomoe] Yuutousei Ni Hitsuyou Na Jugyou (COMIC HOTMiLK 2014-05) [Chinese] [無毒気漢化組(無邪気X无毒)]
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
[Aoji] Kagai Jugyou (Naruto)(English)(yaoi)
[Hanpera] Nakadashi Tsuyudaku Kyonyuu Jugyou | 膣射出汁溢出 巨乳授業 [Chinese]
(C88) [Nachtzug (eko)] Ofuro de Naisho (Kantai Collection -KanColle-) [Chinese] [哲学狗汉化组]
[Leafy] Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期 [Chinese] [渣橙子個人單行本漢化]
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.1 [Chinese]
(C86) [Aienkien (Aito Matoko)] Mahoukakoukou no Kagai Jugyou (Mahoukakoukou no Rettousei)
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo's Bizarre Adventure) [Chinese] [瓜皮汉化]
[Yukan high Zakura (Chieko)] Bijutsu Jugyou Dessin Model [Digital]
[Kuku ya (ckj)] Naisho desu yo? Kald-san (Firis no Atelier)
Sekaiichi Uketai Anko no Jugyou
[Mimimimi (Narita Riuku)] Ati-sensei no Hachimitsu Jugyou Sairoku-ban (Summon Night 3) [Digital]
Joshi-kou de Sex Jugyou ~ Sensei, Ichigenme kara Irenaide!
[MULTIVITAMIN] Jugyou Sankan DL ban (Original)
Rize Sensei to Himitsu no Jugyou
[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]
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou (JoJo's Bizarre Adventure) [English] {DesuDesu}
Tenshi no Houkago Jugyou Chapter 10
[Anzaki Moral] Kanbyou Shite Ageru | Sinful Nursing (Hanjuku Yawaana Jugyou) [English] [ugliblawg]
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Digital]
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- [English]
(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]
Zenra de Suiei no Jugyou!! | Naked Swimming Class!! =LWB=
[Watanabe Wataru] Abunai Kojin Jugyou | Take private lessons in hazardous
[Kukuya (ckj)] Naisho desu yo? Kald-san | It's a Secret Kald-san, You Hear? (Atelier Firis) [English] [Springborn]
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou- | High School Elven Transfer Student -After School Sex Training Lessons- [English] [Tremalkinger]
Tenshi no Houkago Jugyou Chapter 11
(CR25) [Studio Wallaby (Kokuden Kadotake, Niiruma Kenji, Deep Purple '72)] Purikura no Naisho (Princess Crown)
(CSP5) [popular plus (Plus)] Boku to Hideyoshi to Naisho no Yorimichi (Baka to Test to Shoukanjuu)
[Tokunaga Poosaku] Himitsu no Kagai Jugyou
[Seiten no Hekireki (Toruneko)] Naisho no Tokkun (Jikkyou Powerful Pro Yakyuu)
[Kitani Sai] Himitsu Jugyou
[Shindou] Naisho no Yurine-san | Yurine's Secret (COMIC ExE 02) [Chinese] [我尻故我在個人漢化]
Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
[Jun&Yuri (Yuriko)] Tokubetsu Jugyou Shiyou! Kashima-chan! (Kantai Collection -KanColle-)
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
[Leafy] Mama ni Naisho no Hatsujouki
[ACTIVA (SMAC)] Yomako-sensei no Tokubetsu Jugyou (Tengen Toppa Gurren Lagann)
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(Gakuen Trial 1.5 Kagai Jugyou) [ZCC (Zakiko)] Hi ga Kurete (Super Danganronpa 2) [English]
Amatsuka Gakuen no Kaikan Jugyou
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]
Zenra de Suiei no Jugyou!!
(Change More Naisho no Mahou II) [Honey Devil (Tsugumi Gumico)] MaElle-chan to <censored> (Grimoire ~Shiritsu Grimoire Mahou Gakuen~)
(C93) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 6 - Dekichatta Hen
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Digital]
(C94) [Critical Hit! (Zetz)] Mutsuki no Naisho (Azur Lane)
[Misao.] Minamo no Naisho | Minamo's Secret (Hajimete Janai yo?) [English] [Rin]
[Konohana] Naisho no Jikan | Secret Times (COMIC Megastore 2009-04) [English] [Hentai from Hell]
Tenshi no Houkago Jugyou Chapter 7
Kirari-Sensei no Hapi Hapi Jugyou
Keiko Sensei no Chijoku Jugyou
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
(C94) [Kaiteinnu (Rajunnu)] Mary ni wa Naisho desu! (Fate/Grand Order)
[Studio Wallaby (Various)] VITAMIN-B5 1/3 Ruri Ruri Naisho no Gakuen Nikki (Kidou Senkan Nadesico)
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
(C78) [Human High-light Film (Shiosaba!)] Naisho no Asuka (Neon Genesis Evangelion)
(C59) [Chuuni+OUT OF SIGHT (Kim Chii)] Onee-chan to Naisho 01
[Urutsu] Teach Tea Songs (Shiroyuri Girls Love Paradise) [English] [yuriproject]
[Horihone Saizou] Naisho [ENG]
[Ochikochitei (Tadano Kushami)] Houkago no Kojin Jugyou