(C58) [Studio Wallaby (Deep Purple '72, Kaneko Toshiaki, Kura Oh)] Oukoku No Naisho (Puppet Princess of Marl's Kingdom)
(COMIC1☆5) [Shimoyakedou (Ouma Tokiichi)] Naisho no Mahou (Puella Magi Madoka Magica)
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
Classmate to Ecchi Jugyou
[Oshii Rei] Kougyaku Jugyou [Digital]
[Junai Meringue-don (Kijima Hyougo)] Saisho no, Naisho no. + Natsu no Kedamono (Haikyuu!!)
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
Yuutousei ni Hitsuyou na Jugyou
[Shindou] Naisho no Yurine-san | Yurine's Secret (COMIC ExE 02) [English] =TLL + CW=
[SeriharaZ] Campus x Foot
(C88) [nothingfades (Amane Nekoko)] Naisho no Hajimete Kouhen (PriPara)
Sensei Daa~isuki!! Houkago no Ikenai kedo Ikechau Hoshuu Jugyou
[Urutsu] Teach Tea Songs (Shiroyuri Girls Love Paradise) [English] [yuriproject]
[Circle Roman Hikou (Taihei Tengoku)] Sekaiichi Uketai Kojin Jugyou (Quiz Magic Academy)
Sakurako Sensei no Tokubetsu Jugyou
[Nyoroman SHouji] Mucchimuchi Keiko Sensei no Chou Nikkan Dohentai Jugyou! "Kutsujoku no Kuro Mask Hentai Dorei Kamen Kanochi Hen" (Kekko Kamen)
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON)
[Babymaker (Beco)] Naisho no Kozukuri
[ISOTONIX (Nixinamo:Lens)] Natsuki As You Like Naisho no Ura-Video
Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu
[Hanpera] Katei Kyoushi no Kagai Jugyou (Ane Chichi) [Chinese] [黑条汉化]
[Torajima-shi Kouhouka (Torajimaneko)] Builder to Fighter no Naisho Banashi (Gundam Build Fighters) [English] {Shotachan} [Digital]
[Horitomo] Lamia no Tokubetsu Jugyou (Kininaru Anoko wa Monster Musume) [Chinese] [CE家族社]
[Yanagi] Oshioki Kojin Jugyou (COMIC ExE 02) [Chinese] [今天又是懶覺懶覺的巨篇]
[Iguchi Sentarou] Classmate to Ecchi Jugyou 1~3[Digital]
Owaranai Kagai Jugyou
[Yuzuponz (Kikira)] Inumimi Seikatsu ~Hatsujouki no Itoko Namahame Tokubetsu Jugyou~ [Digital]
Tsuya Ane ~Onee-san no Micchaku Jugyou~
(C89) [Tatsumaki Koutei (Takei Tsukasa)] Lecia no Naisho Naisho no Chitsujo (Granblue Fantasy) [English] {Hennojin}
Kagai Jugyou Sakuya Hen
[sho-tan] Taiiku no Jugyou
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
(SUPER23) [Strawberry (Ichigo)] Tousan ni wa Naisho ni Shitete (Shingeki no Kyojin)
(C90) [Mama ni wa Naisho (Plasma Beach)] Kinniku Bokujou (THE IDOLM@STER)
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin]
[Taiyoukei Kaihatsu Kikou (Marubayashi Shumaru)] Setsuna-sensei no Hachimitsu Jugyou (Bishoujo Senshi Sailor Moon) [Digital]
[Junk Center Kameyoko Bldg] Okaa-san ga Naisho de Hikikomori Musuko no Seishori no Aite o Shiteiru Hanashi.
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou + Futaket Paper (Danganronpa) [English] [N04H]
Sensei no ♥ Himitsu Jugyou
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 1 | 女高中生ㄋㄟㄋㄟ全都露!? 健康教育全裸開課 [Chinese][變態浣熊漢化組][Decensored]
[fourthcape (Misaki Takahiro)] Sena to Naisho no Houkago (Boku wa Tomodachi ga Sukunai) [Digital]
[XX-ya tte koto wa Naisho da. (Naisho da.)] Doremi-sama Doremi-sama Doremi-sama (Ojamajo Doremi)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou | Sexual Lessons of the Ripple Teacher (JoJo's Bizarre Adventure) [English] {doujin-moe.us}
[Asai Kikaku (Satou Masa)] Suki Suki! Bokura no Mucchiri Ona-Hole Sensei! Zenryoku Nakadashi Kojin Jugyou [Digital]
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI)
(SUPER24) [Rolling box (Kanaru Tabito, Shiina Akira)] Kyosuke ni wa Naisho (THE IDOLM@STER SideM)
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
(CT5) [Transistor Baby (Hata)] Sensei to Himitsu no Kagai Jugyou (Summon Night 3)
[Keno Yantarou] Hageshii Kagai Jugyou
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
[Aoji] Kagai Jugyou (Naruto)(English)(yaoi)
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou + Futaket Paper (Danganronpa)
(C90) [Death Para (Tamaki Kurou)] Kitakami-san to Ooicchi Naisho no Naisho (Kantai Collection -KanColle-)
[Musashimaru] Touzen, Imouto ni wa Naisho de [Digital]