[Anzaki Moral] Nama Hanjuku Yawaana Jugyou - Fresh Soft-boiled, Sweet Hole Lesson.
[Yuriwhale] Himitsu Kurabu (Monster Musume No iru Nichijou)
(COMIC1☆9) [Himitsukessya Usagi (Dancyo)] Chibineko
[Ohbayashi Mori] Tennis-bu no Himitsu (Keiren Acme Chigoku) [English] [N04h] [Digital]
[Yukan high Zakura (Chieko)] Bijutsu Jugyou Dessin Model [Digital]
[Booblian (BTtamako)] Himitsu no Tights [Digital]
Tenkousei JK Elf 3 -Houkago Yagai Jugyou- | High School Elven Transfer Student -After School Outdoor Lessons-
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch. 1 [English] [Digital]
[Seki Sabato (Tsukuru)] Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi [Digital]
[Aimaitei (Aimaitei Umami)] Futanari Osananajimi to Ore to Hajimete no Gyaku Anal Kagai Jugyou | Me and My Futanari Childhood Friend's First Extracurricular Lesson in Reverse Anal [English] [JasmineTea] [Digital]
(Kansai! Kemoket 6) [TUMBLE WEED (Itameshi)] Ninnin no Himitsu (Pokémon)
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 1
[Saigado] Hitozuma Audrey-san no Himitsu ~30-sai kara no Furyou Tsuma Kouza~ - Vol. 2 Ch. 9~12 [English] {Hennojin}
Yume no Natsugai Jugyou
[Kino Hitoshi] Kojin jugyou
Sweets' Hime no Himitsu Recipe
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1 [Chinese]
[Ikuhana Niro] Sorezore no Himitsu II (COMIC Anthurium 2017-12) [Chinese] [偷渡欧洲×CYTUSX] [Digital]
[Murasakiiro no Yoru (Murasaki*)] Sensei, Kore wa Futari dake no Himitsu desu yo ~Hitonatsu no Himitsu~ [Chinese] [绅士仓库汉化] [Digital]
(C85) [Majimadou (Matou)] Enoshima-sensei no Chou Zetsubou-teki Zecchou Jugyou (Danganronpa)
(C63) [Onnanoko Himitsu Seisan Koujou (Youichirou W)] Puchi Puri no Hon (Petite Princess Yucie)
Tenshi no Kagai Jugyou Ch. 4
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~
(Puniket 33) [Yumesaki Annai Kairanban (Hiro Hiroki)] Kokoro-chan Kansatsu Nikki (Kamisama Minarai Himitsu no Cocotama)
[Ichigo Crown (Yuzuri Ai)] Himitsu 1 [Digital]
(Reitaisai 9) [Hannama (Soine)] Kasen-chan Jugyou desuyo (Touhou Project)
[Himitsu Doyoubi (Matsutaka Zon)] Fresh Curry no Oishii Tabekata (Fresh Precure) [Digital]
(Himitsu no Ura Kagyou 21) [Endless Repeat (Fuuko)] Kouzen no Himitsu (Meitantei Conan)
Tenshi no Houkago Jugyou Chapter 8
(C67) [2CV.SS (Asagi Yoshimitsu)] den dou gun musume (various)
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ | Welcome graduate ~AV Actress's Extracurricular lesson~
[Hanpera] Nakadashi Tsuyudaku Kyonyuu Jugyou | 膣射出汁溢出 巨乳授業 [Chinese]
[Sisei Tokei] Kojin Jugyou -Kokuhaku- (COMIC MILF 2012-12 Vol. 10) [English] [jhenier13]
Tenshi no Houkago Jugyou Chapter 4
[Hachimitsu Romance (Eno Yukimi)] Mizugi de Paizuri Shitemorau Manga (Granblue Fantasy) [Digital]
[Wakaba Circle] Jugyou o Sabotta Shoujo ga Tannin ni Hokenshitsu de Okasareru
Watanabe You Sensei no Tokubetsu Jugyou
(Shuuki Reitaisai 4) [Terebi-san (Chuusuu Kairo)] Gensoukyou no H na Himitsu (Touhou Project)
[Kiki] Inran Jugyou
[Hachimitsu Romance (Eno Yukimi)] Sturm-dono ni Amaetai (Granblue Fantasy) [English] [Clawhammer] [Digital]
(SC34) [Himitsu Doyoubi (Matsutaka Zon)] Kichiku 3nin Musume (Otogi-Jushi Akazukin)
(C90) [Motchie Kingdom (Motchie)] Himitsu Kichi no Himitsu (Dagashi Kashi) [English] {doujins.com}
Classmate to Ecchi Jugyou Ch. 5
[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 [English] {N04h}
(C91) [Tefutefu. (Tefun)] Futanari Erika to Maho no Himitsu II (Girls und Panzer) [Chinese] [CE家族社]
(C93) [Seki Sabato (Tsukuru)] Tabi no Yoru no Himitsu [English] {Shotachan}
[Honey Lounge (Hachimitsu)] Imouto >>> Ani [English] {Dsojourn}
(C64) [Sakurakan (Seriou Sakura)] Tobikiri no Himitsu 1 | The troubling secret 1 (Inuyasha) [English] [EHCove + Hennojin]
(C90) [Solid Air (Zonda)] Oshiete! Kaga-sensei ~Hajimete no Niana Jugyou~ (Kantai Collection -KanColle-)
Albion Gakuen Himitsu no Jugyou
(C89) [Himitsu Doyoubi (Matsutaka Zon)] Pretty na Store Gentei Yakinori (Go! Princess PreCure)
[Hachimitsu Romance (Eno Yukimi)] Amayaka ni Kaoru | A Sweet Scent (Granblue Fantasy) [English] [guduxingkong] [Digital]
(C75) [Action Mokei (Imaizumi Atsushi)] Seacret Lovers (Nogizaka Haruka no Himitsu)
Kaoru Sensei no Tokubetsu Jugyou act2 Hikari to Kaoru
[Ayakai Shingenya] Himitsu no Doyoubi [English] [mysterymeat3]
[Yukan high Zakura (Chieko)] Shashin-bu Kounai Roshutsu Satsueikai - Bijutsu Jugyou Dessin Model 2 [Chinese] [Digital]
Sakurako Sensei no Tokubetsu Jugyou
Kichiku-sensei no Kagai Jugyou
[Rafumioshi Goku Hyoe] Yume no Natsugai Jugyou
(C86) [Himitsukessya Usagi (Dancyo)] CUSTOM LOVECATs
[Himitsu Doyoubi (Matsutaka Zon)] Dokidoki Unchi Party
(C81) [Sukapon-Do (Kagawa Tomonobu, Yano Takumi)] Zerogumi Kagai Jugyou (Final Fantasy Type-0)
(COMIC1☆11) [Nekomataya (Nekomata Naomi)] Shounen Arisu to Himitsu no Tobira (THE IDOLM@STER CINDERELLA GIRLS)
[Syuuen] Kagai Jugyou
[Kitani Sai] Shitsuraku Aroma | Lost Aroma (Himitsu Jugyou) [English] {Fated Circle}
Izayoi Sakuya Sensei no Dosukebe Koukai Jugyou in Terakoya
Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu
[Alde Hyde] Ottori Kyoushi no Nettori Jugyou (ANGEL Club 2012-04) [Chinese] [cqxl自己汉化] [Digital]
[Tenzen Miyabi] Himitsu no Chikamichi | Back Alley Shortcut (Kemono DIRECT 4) [English] =LWB=
[Yuzuponz (Rikka Kai)] Dai 6 Uchuu no Himitsu no Chou Tokkun (Dragon Ball Super) [Digital]
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ | 女孩子補給品 性轉換之後保健的授業 [Chinese]
(C91) [Kanmiya Makkuro (Kuro Yorozu)] Himitsu no Yakai (Utawarerumono Itsuwari no Kamen)
Tenshi no Houkago Jugyou Chapter 5
(SC38) [Himitsu Doyoubi (Matsutaka Zon)] Eriko-san no Eikyuu Kikan (KiMiKiSS)
Classmate to Ecchi Jugyou Ch. 3
Classmate to Ecchi Jugyou Ch. 6
(C65) [Tax inn (Kisu Yoshimitsu)] FALLEN (Bleach) [English]
Himitsu Nikki 1 ~Toosaka-san no Himitsu Diary~
[Kitani Sai] Secret lesson - Himitsu Jugyou [English]
[KAZAMA DoJo (Mucc)] Boku to Bakugou Mama no Himitsu (Boku no Hero Academia) [Digital]
[FEI] Sensei's Secret Lesson Ch. 1-2 | Sensei no Himitsu Jugyou Ch. 1-2 [English] [Lazarus H]
[Ue ni Aru Mikan (Reitou Mikan, Amulai)] Dennou Sekai ni Torawarete ~Onna Avatar de Seihoushi Jugyou, Uketemasu~ [Chinese] [脸肿汉化组] [Digital]
[HIGH RISK REVOLUTION] Shiori Vol.11 Inya no Kagai Jugyou (Tokimeki Memorial)
(C88) [Himitsukessya Usagi (Dancyo)] CUSTOM LOVECATs 2nd
[Honey Lounge (Hachimitsu)] 190cm ↑ Choushin Onee-san to Taikakusa Icha Love Jikan | 190cm↑ Size Difference "Icha Love" Time with a 190cm Tall Onee-san [Chinese] [沒有漢化]
[Keno Yantarou] Abunai Kagai Jugyou
Naisho no Kagai Jugyou Ouyou Hen
(C93) [Sakuraito (Utana)] Himitsu no daisuki (Ginga e Kickoff!!)
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
[Gyuunyuu Rinda] Minami Sensei no Tadashii Seikyouiku Jugyou | 美波老師的正確的性教育授業 [Chinese]
[Draw Two (Draw2)] Himitsu | Secret [English] [Digital]
Tenshi no Houkago Jugyou Chapter 10
(C94) [Red bean milk tea (SHIN EN)] Himitsu (Dragon Quest XI)
(C93) [Chocolate Land (kakao)] Koakuma Setsuko no Himitsu vol.3
[Unno Hotaru, Natsumi Chiharu, Yoshizawa Kei, Otohiko] Himitsu no Renai Jugyou 45
[Horie Tankei] Haha no Himitsu | Secret of Mother Ch. 1-8 [English]
(C85) [KINOKONOMI (konomi)] Nyancology 2 -Nekota-san to Himitsu no Asa Jijou- | Nyancology 2 -Nekota-san's Secret Morning Affairs- [English] [Doujins.com]
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records)
(C92) [666PROTECT (Jingrock)] Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou -
[Horie Tankei] Haha no Himitsu | Secret of Mother Ch. 1-5 [English]
(COMIC1☆11) [Hachimitsu Romance (Eno Yukimi)] Race no Ato wa Otanoshimi (Granblue Fantasy)
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou (Tengen Toppa Gurren Lagann)
[Guglielmo] Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ (Shishunki Marudashi!) [English] [Azzei]
(COMIC1☆13) [KINOKONOMI (konomi)] Nyancology 7 -Kitsunegawa Kon to Himitsu no Kenkyujo-
(On the Stage 6) [Ika] Himitsu Kichi nite (PriPara)
Kagai Jugyou Sakuya Hen
(C93) [The Seventh Sign (Kagura Yuuto)] Rean Kyoukan no Tokubetsu Kagai Jugyou (The Legend of Heroes: Trails of Cold Steel)
Hachimitsu to Himitsu
[Himitsu Doyoubi (Matsutaka Zon)] Sweets' Hime no Himitsu Recipe (Suite Precure) [English] [Digital]
(C88) [Crybaby Method (Hissui)] Kawaii Kawaii Lulu-chan no Choppiri H de Naisho na Himitsu (League of Legends)
Tokubetsu Jugyou Shiyou! Kashima-chan!
(C94) [Nawairo Sonata (Himitsu)] Tenkuu to Meikai no Ori (Fate/Grand Order)