(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami)
[Unno Hotaru, Natsumi Chiharu, Yoshizawa Kei, Otohiko] Himitsu no Renai Jugyou 45
(C89) [Tatsumaki Koutei (Takei Tsukasa)] Lecia no Naisho Naisho no Chitsujo (Granblue Fantasy)
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
Hokenshitsu de Jugyou Chu! | Class in the Nurse's Office!
[HIGH RISK REVOLUTION] Shiori Vol.11 Inya no Kagai Jugyou (Tokimeki Memorial)
[Matsumoto Yuuka] Naisho no Cute Boy
[Tukimi Daifuku] Mama ni wa Naisho
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck
Naisho no Kagai Jugyou Nyuumonhen
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
Rika Sensei no Kagai Jugyou
Zerogumi Kagai Jugyou
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [Chinese] [黑条汉化]
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
(Gakuen Trial 1.5 Kagai Jugyou) [ZCC (Zakiko)] Hi ga Kurete (Super Danganronpa 2) [English]
Classmate to Ecchi Jugyou Ch. 6
[Watanabe Wataru] Naisho ni Shite ne
(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]
(C92) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 5 - Futsukame Hen
[Morishima Kon] Naisho no Gohoushi + Bangaihen (Oneshota Dish) [English] {Hennojin}
Keiko Sensei no Chijoku Jugyou
[TLB] Otousan to Naisho ~Aru Daikazoku no Chichi to Musume Yuku Toshi Kuru Toshi Himehajime~
(C54) [Studio Wallaby (Various)] VITAMIN-B5 1/2 Ruri Ruri Naisho no Arbeit Nikki (Martian Successor Nadesico)
(C79) [Kirimochi Texture (Kyuu Yoyoyoyou)] Naisho no Milky Time (Tantei Opera Milky Holmes)
Classmate to Ecchi Jugyou
(SC34) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi 2 (Zero no Tsukaima)
Bijutsu Jugyou Dessin Model
[Mitsuba Minoru] Zoku Sakurako Sensei no Tokubetsu Jugyou (COMIC ExE 09) [Chinese] [黑条汉化] [Digital]
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
[Watanabe Wataru] Abunai Kojin Jugyou | Take private lessons in hazardous
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
[Leafy] Mama ni Naisho no Hatsujouki [Digital]
(COMIC1☆7) [Aroma Gaeru (Numahana)] Hamon Kyoushi no Setekina Jugyou | Sexual Lessons of the Ripple Teacher (JoJo's Bizarre Adventure) [English] {doujin-moe.us}
(C92) [Macaron*Sketch (Yukatama)] Naisho no Cappuccino (Gochuumon wa Usagi desu ka?)
(Puniket 23) [Suitekiya (Suitekiya Yuumin)] Naisho no HONya-san (Watashi no Ouchi wa HONya-san)
(C90) [ERROR404 (Nikaido Kai)] Naisho ni shite ne (Touken Ranbu)
[SeriharaZ] Campus x Foot
[Boss Chin (Esecool)] Naisho no Ota x Bitch (COMIC Shingeki 2012-10)
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu)
(C89) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Kagai Jugyou
[Amatarou] Futari de Jugyou wo Nukedashite ♡ | Sneaking out of Class Together [English] {YQII}
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
(SC33) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi (Zero no Tsukaima)
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [Chinese] [CE家族社]
(C91) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen [Chinese] [肥宅魯蛇寒假依舊只能窩在家中獨自射出殘渣翻譯]
Tenshi no Houkago Jugyou Chapter 2
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [English] {Hennojin}