(C90) [SAZ (Onsoku Zekuu)] Kudelia Sensee no Seiteki Jugyou (Mobile Suit Gundam Tekketsu no Orphans)
[Shunjou Shuusuke] Kojin Jugyou | Private Lesson (COMIC MUJIN 2012-08) [English] [darknight]
(SPARK8) [Yu-cho (Pal)] Otona niwa Naisho (Free!)
(Puniket 12) [Soul Magic (Sudoo Kaoru)] Suki suki Aiko-chan Mayonaka no naisho (Ojamajo Doremi)
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
[MULTIVITAMIN] Jugyou Sankan DL ban (Original)
Classmate to Ecchi Jugyou Ch. 2
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
(SC2016 Winter) [GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? (Brave Beats)
(C57) [Studio Wallaby (Kokuden Kadotake, Shijuukara, Hontai Bai)] Shinobu no Naisho Love Hina Books (Love Hina)
[botibotiikoka (takku)] Joji Bitch JS wa Yuuwaku Shitagariya-san - Inokori Jugyou [Digital]
Taiiku Kyoushi 2 ~Bokura no Kagai Jugyou~
(C88) [Nachtzug (eko)] Ofuro de Naisho (Kantai Collection -KanColle-)
Owaranai Kagai Jugyou
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]
(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]
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | 四宮同學的秘密 [Chinese] [夢之行蹤漢化組]
Ninshin Inokori Jugyou
Kobetsu Hoshuu Jugyou Ajitani Hifumi Hen
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
Yomako Sensei no Yuuwaku Jugyou | Teacher Yomako's Temptation Teaching
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan)
(C92) [megalodon (Mezashi Gohan)] Albion Gakuen Himitsu no Jugyou (Granblue Fantasy)
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
Kagai Katsudou
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi
[Yanagi] Oshioki Kojin Jugyou (COMIC ExE 02) [Chinese] [今天又是懶覺懶覺的巨篇]
[HIGH RISK REVOLUTION] Shiori Vol.11 Inya no Kagai Jugyou (Tokimeki Memorial)
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
(COMIC1☆5) [Shimoyakedou (Ouma Tokiichi)] Naisho no Mahou (Puella Magi Madoka Magica)
[Oozora Kaiko] Papa ni wa Naisho no Boshi no Fureai
[Taiyoukei Kaihatsu Kikou (Marubayashi Shumaru)] Setsuna-sensei no Hachimitsu Jugyou (Bishoujo Senshi Sailor Moon) [Digital]
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou-
[Dorachefu] Naisho no Zupohame Shinkon Life (ANGEL Club 2018-11) [Digital]
[(Yuu)Adashino Suisan (Isshi Taira)] oshiete! ongon no hachimitushu jugyou
(C82) [Cocotto (Mizusawa Mimori)] Naisho no xx dake Hon
Rika Sensei no Kagai Jugyou
(C91) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Inokori Jugyou [Chinese] [無邪気漢化組]
[Morishima Kon] Naisho no Gohoushi + Bangaihen (Oneshota Dish) [English] {Hennojin}
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho (Cutey Honey)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-9
Classmate to Ecchi Jugyou Ch.1
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
[Asai Kikaku (Satou Masa)] Suki Suki! Bokura no Mucchiri Ona-Hole Sensei! Zenryoku Nakadashi Kojin Jugyou [Digital]
[Ruku-Pusyu] Quistis Sensei no Kojin Jugyou (Final Fantasy VIII)
[Nekoya] Kyokutou no Naisho (Kyoukai Senjou no Horizon) [Digital]
Kagai Jugyou | Delivery love
[Rivajima (Yajima Index)] Isuzu no Naisho Banashi (Amagi Brilliant Park) [Digital]
(COMIC1☆6) [N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari)
Gaman Dekinai Kagai Jugyou
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
[Shindou] Naisho no Yurine-san | Yurine's Secret (COMIC ExE 02) [English] =TLL + CW=
[SAS] Kagai Jugyou ni Youkoso!(COMIC Penguin Club Sanzokuban 2011-12)
(Gakuen Trial 1.5 Kagai Jugyou) [ZCC (Zakiko)] Hi ga Kurete (Super Danganronpa 2) [English]
[Anthology] MoeStar BEAST Vol.3 [Digital]
[Hasemi box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti)
[Keno Yantarou] Tanoshii Kagai Jugyou - Happy Extracurricular Lesson [Chinese]
Shiroki senkō howaitopansā ~ haiboku kagai jugyō ~
[MoonRevenge (Miyuma Subaru)] Futari no Naisho
(C58) [Studio Wallaby (Fuu)] Reiko no Naisho! (Comic Party)
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness)
Rean Kyoukan no Tokubetsu Kagai Jugyou
[usi] Otto ni Naisho de Ajimi Shite 2 [Digital]
Tenshi no Kagai Jugyou Ch. 3
[Fireball Products] Seki Sensei No Kagai Jisshuu Ver1.5
(C69) [Renai Mangaka (Naruse Hirofumi)] Otome Chikku Kagai Jugyou (Mai-Otome)
Minato-sensei no Kagai Jugyou
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
Ikinari Yashuu Kyouju An An Jugyou
[Keno Yantarou] Tanoshii Kagai Jugyou
[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]
[Abe Inori] Ninshin Inokori Jugyou (ANGEL Club 2016-09) [English] [xinsu] [Digital]
[Momonosuke] Shirai-sensei no Hoshuu Jugyou | Shirai Sensei's Extra Lessons (Momoiro Otome Irony) [English] [Flatopia] [Digital]
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami)
[Yuzu Ramune] Yankee Musume o Ecchi de Kousei!? ~Jugyou de Ijirare Shitagi ga Gusshori~ 1
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [English]
Jugyou Chuu Ni You Kya Joshi Ga Omorashi
[FEI] Sensei no ♥ Himitsu Jugyou
(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
(COMIC1☆3) [Human High-Light Film (Shiosaba)] Naisho no Honey (Cutey Honey)
Hageshii Kagai Jugyou
(C92) [Kodukuejou (Kodukue)] Fushou Akiyama Yukari no Enkou Kouza II ~Akiyama Rihatsuten Naisho no Souten Taikenkai~ (Girls und Panzer)
[Musenmai] Naisho (COMIC AUN 2017-01) [Chinese]
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [Digital]
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
[Kanzaki Shirou] Yume no Kuni no Naisho Banashi
(SUPER23) [Strawberry (Ichigo)] Tousan ni wa Naisho ni Shitete (Shingeki no Kyojin)
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho
(C82) [Natsu no Umi (Natsumi Akira)] Mama ni wa Naisho no XXX (Smile PreCure!)
Sabotte Hamatte Hoshuu Jugyou | 偷懶♡上癮♡補習課程
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou | Katori-sensei's Field Training (Kantai Collection -KanColle-) [English] {doujin-moe.us} [Digital]
[HONOYURARA (Mitsuhabotan)] Kagai Jugyou Netsu Shisen (Kill la Kill) [Digital]
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
[Babymaker (Beco)] Naisho no Kozukuri [English] [MintVoid]
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English]
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
Glenn Sensei no Rokudenashi Kagai Jugyou
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara)
(C89) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Toshikoshi-hen [Chinese] [肥宅除夕依舊只能看著衛生紙上的殘渣翻譯]
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [Chinese] [夜願漢化]
(C95) [horonaminZ (horonamin)] Ochikobore Succubus to Sex Hoshuu Jugyou
[ether] Sennyuu Shita Joshikou no Jugyou ga Erosugiru Ken! - Irechae! Shirumamire Momikucha Dessin Jugyou
[Leafy] Mama ni Naisho no Hatsujouki
(C88) [Mama ni wa Naisho (Plasma Beach)] Chan nana no Shokutaku (GOD EATER)
[Ponsuke] Naisho no Massage (COMIC LO 2016-03) [Chinese] [想抱雷妈汉化组] [Digital]
[PLEIADES☆FORTUNE (Kaniyama Yusuke)] Natsuyasumi Hoshuu Jugyou
Rize Sensei to Himitsu no Jugyou♪
[Ika Client] Girotin Konsoku Hoken no Jugyou
[Sasamori Tomoe] Yuutousei ni Hitsuyou na Jugyou | A Class an Honor Student Needs (COMIC HOTMiLK 2014-05) [English] [Facedesk]
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
(C73) [SUTE☆POTE (Kagura Soushi)] riri tama hoshuu jugyou! (Mahou Shoujo Lyrical Nanoha)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica) [English]
(C78) [Nekoneko Panchu! (Nekoneko Panchu)] Sanshimai Choukyou Yuugi [Yukari Hen] Yukari-chan no Butabana Kachiku Choukyou [Anal Higyaku Jugyou]
(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
[Guglielmo] Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ (Shishunki Marudashi!) [English] [Azzei]
Naisho no Kagai Jugyou Ouyou Hen
[Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou [Digital]
(SC24) [Naisho No Usagi Koya (Usakun)] Gohoubi Suimingu
(COMIC1☆6) [Mama ni wa Naisho (Purukogi Beach)] Tetsu Momo MANEATER (Tekken)
[Takase Yuu] Naisho no Jiyuuchou
[N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari) [Digital]
(C80) [Shirakaba Doori (DRY)] Fuyuko Sensei no Hachimitsu Jugyou (Cerberus)
[Keno Yantarou] Abunai Kagai Jugyou
[Sada Ko-ji] Onnakyoushi Ryoujoku Jugyou Burn & Freeze
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~
Onna Kishi no Kagai Katsudou
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 -Houkago Yagai Jugyou- | High School Elven Transfer Student -After School Outdoor Lessons- [English] [Tremalkinger]
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ [Digital]
[Takase Yuu] Hajimete no Jugyou Sankan (Naisho no Jiyuuchou) [English] [Raknnkarscans]
Naisho no Kagai Jugyou Nyuumonhen
(C54) [Tange Kentou Club (Yokota Mamoru)] Clone Doll Kagai Jugyou / My Favorite Full Colour Gengashuu
(C73) [Omoshiro Burger (Tokuda Shinnosuke)] Watashi-tachi to Papa no Kagai Jugyou Album
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 2 (English)
(C54) [Studio Wallaby (Kokuden Kadotake, Deep Purple '72, Leopard)] Mana no Naisho (White Album)
(C82) [Circle Ohigetan (Ohigetan)] Ohigebon-32 Classmate Manko Note 7-kame Joukan Taiiku no Jugyou no Ato Classmate no Onnanoko-tachi ni Onnanoko ya Ase no Nioi de Munmun Muremure no Joshi Kouishitsu e Shoutai Saremashita
[Alde Hyde] Ottori Kyoushi no Nettori Jugyou (ANGEL Club 2012-04) [Chinese] [cqxl自己汉化] [Digital]
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
[Jun&Yuri (Yuriko)] Tokubetsu Jugyou Shiyou! Kashima-chan! (Kantai Collection -KanColle-)
[Sangatsu Usagi] Naisho no Teatime - The Secret Teatime
[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}
(C88) [Fetism (Tanaka Ginji)] Takao-san no Naisho! (Kantai Collection -KanColle-)