[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.1 [Chinese]
[Taiyoukei Kaihatsu Kikou (Marubayashi Shumaru)] Setsuna-sensei no Hachimitsu Jugyou (Bishoujo Senshi Sailor Moon) [Digital]
[Draw Two (Draw2)] Himitsu | Secret [English] [Digital]
[Himitsu Kessha Tsuki to Yousei] Re-Flesh! (Sailor Moon)
[Keno Yantarou] Tanoshii Kagai Jugyou - Happy Extracurricular Lesson [Chinese]
[Ginto] Ure Niku Neburi Gakuenchou to Boku no Ero Hon Kagai Jugyou
(C94) [Hachimitsu Romance (Eno Yukimi)] Kazoku ni Narou yo (Granblue Fantasy)
(C80) [Kacchuu Musume (Yumi Ichirou)] Himitsu no Joshou | The Secret Prologue (Senjou no Virelai -BATTLEFIELD VIRELAI-) (Valkyria Chronicles 3) [English] [SMDC]
(C90) [conezu step!+Ziggurat (Suzuki Akoni)] JK Yome Sakura no Yagai Jugyou [Chinese] [無邪気漢化組]
(COMIC1☆11) [Ashima Sandou (Ashima Takumi)] Gabriel no Himitsu no Shiren (Granblue Fantasy)
(Dondon Waru no Desu... Ouji) [Surface Tension (Orikuchi)] Suihei-san-tachi to Himitsu no Fune (Sennen Sensou Aigis)
(C67) [2CV.SS (Asagi Yoshimitsu)] den dou gun musume (various)
[Onoda Sachi] Onii-chan to Himitsu ni Fureru
(C78) [Angel☆Tear (Togo)] Hinata to Yui no Kagai Jugyou (Angel Beats!)
Sensei to Himitsu no Jugyou | Secret Lessons with Sensei
(C93) [Kotau (Bowieknife)] Ootsuki Yui to Himitsu no Heya (THE IDOLM@STER CINDERELLA GIRLS)
[Kamepotel (Izuki Jirou)] Nogizaka Mika no Mitsugetsu (Nogizaka Haruka no Himitsu) [Digital]
[Maekawa Hayato] Onee-chan Sensei no Himitsu Jugyou
[Unno Hotaru, Natsumi Chiharu, Yoshizawa Kei, Otohiko] Himitsu no Renai Jugyou 45
[Minor Boy] Keiko Sensei no Chijoku Jugyou
[FEI] Sensei no Himitsu Jugyou Ch. 1-5
[Shinnosuke] Kan Nao-chan no Himitsu no Dansu Tokkun ( ※ R - 18) (Persona 4)
[Yuzu Ramune] Yankee Musume o Ecchi de Kousei!? ~Jugyou de Ijirare Shitagi ga Gusshori~ 1
(C94) [Teraoka Digital Works (Endou Tatsumi)] Izayoi Sakuya Sensei no Dosukebe Koukai Jugyou in Terakoya (Touhou Project)
Kaoru Sensei no Tokubetsu Jugyou
(C89) [Himitsukessya Usagi (Dancyo)] Ijimekko ni Fukushuuda
Keiko Sensei no Chijoku Jugyou - Keiko Sensei Series 4
Mystery House 2 Densha Chikan-hen & Kyoushitsu Jugyou-hen zen 20P-ban
[Keno Yantarou] Hazukashii Kagai Jugyou | 害羞的課外授業 [Chinese]
(C95) [horonaminZ (horonamin)] Ochikobore Succubus to Sex Hoshuu Jugyou
[Irotsuki Sakari] Kanjiru Kagai Jugyou
[Honey lounge (Hachimitsu)] Shukushou Seikatsu ~Osananajimi to no Sugoshikata~ | 縮小性活~和青梅竹馬的生活方式~ [Chinese] [沒有漢化]
[Goban] Iinchou no Kagai Jugyou | Class President's Extracurricular Lesson (Comic Megastore H 2012-05) [English] {numberkawshin} [Digital]
(COMITIA123) [Yukan high Zakura (Chieko)] Bijutsu Jugyou Dessin Model
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
[kuma-puro (Shouji Ayumu)] Raku Pera vol.8 Jugyou sankan (Various)
[Mimesis (Nekookaji Tayo)] Kanin Fujin Maiko no Himitsu | Secret of Mrs.Maiko's Adultery [English] [Digital]
(C56) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou
(Triplet Rhapsody 8) [Tougechaya (Touge Hiro)] Mesubuta Sugisaki Himitsu no Houkago (Mitsudomoe)
[Minamida Usuke] Dokidoki Hoshuu Jugyou (COMIC Megastore Alpha 2016-04) [English] [Amateur-Troya-Scans]
Minato-sensei no Kagai Jugyou
[Tokunaga Poosaku] Himitsu no Kagaijugyou - Ni Jikanme [Chinese] [cqxl自己汉化]
Hoshuu Jugyou bu Seikatsu Kiroku | 补习授业部性爱记录
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ [Chinese] [沒有漢化]
[Metal Owl] Bellows no Himitsu (Suisei no Gargantia) [English]
[Sorairo Panda (Yamome)] Ore no Shiri ni wa Himitsu ga Aru
Boku Otokonoko nan desu kedo - Tokubestu Jugyou
Himitsu no Kagaijugyou - Ni Jikanme
[Kawady MAX] Rinkan Jugyou (Rape Class) [English] =Torwyn=
[Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou Light
(C92) [Himitsukessya Usagi (Dancyo)] Jubaku Kanojo 2 [Chinese] [Lolipoi汉化组]
[Kino Hitoshi] Kojin jugyou
[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. 1-3 [English] {Doujins.com}
[Palco Nagashima] Hokenshitsu no Himitsu (Gekkan Web Otoko no Ko-llection! S Vol. 10) [English] [CGrascal] [Digital]
(Gakuen Trial 1.5 Kagai Jugyou) [ZCC (Zakiko)] Hi ga Kurete (Super Danganronpa 2)
Naisho no Kagai Jugyou
[Ochikochitei (Tadano Kushami)] Houkago no Kojin Jugyou
Muchimuchi Kanojo no NTR Hoshuu Jugyou
[Chinzuriina] Sensei to Kotzukuri LOVE Jugyou (Otokonoko Heaven Vol. 11) [English] {Mysterymeat3}
(C89) [Libya Cuckoo (Kuroki Akiba)] Futari dake no Himitsu (Granblue Fantasy)
[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}
(C92) [Chocolate Land (kakao)] Koakuma Setsuko no Himitsu vol. 2 [Chinese] [無毒漢化組]
[Himitsu Tetra (Senwa)] Mika Shota (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
(Shota Scratch SP4) [Hachimitsu*Orange (Ueno Tomoki)] Umibe no Machi Shouni Byoutou Tokubetsushitsu 2-gou [English] {Shotachan}
Onnanoko Sapuri 〜Seitenkan Shite Hoken no Jugyou〜
[Aiueon] Himitsu no Kagaijugyou. (Original)
(C80) [Ura KENT no Himitsu Kichi (KENT)] Monna Miller's e Youkoso | Welcome to the Monna Miller's (Monster Hunter) [English]
(Mimiket 28) [KINOKONOMI (konomi)] Nyancology -Kaettekita Nekota-san no Himitsu- | Nyancology -Homecoming Nekota-san's Secret- [English] [Doujins.com]
(COMIC1☆9) [Leaz Koubou (Oujano Kaze)] Kami-sama no Himitsu no Beit | The Goddess' Secret Part-time Job (Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka) [English] [yuripe]
[Ohigetan] Chikan Gakushuu Shidou Youryou ~Shou 6 Gyaku Chikan Kagai Jugyou Hen~ (COMIC LO 2016-08) [English] [Striborg]
[Dynamite Moca] Bokura no Himitsu (Otokonoko Heaven's Door 5) [Chinese] [瑞树汉化组] [Digital]
[Ikuhana Niro] Himitsu - The Secret (COMIC Anthurium 2016-08) [English] [Digital]
[Horitomo] Lamia no Tokubetsu Jugyou (Kininaru Anoko wa Monster Musume) [Chinese] [CE家族社]
(C92) [Mocomocodo (Nukunuku Batten)] Tendou Karen to Dokidoki Himitsu Game (Gamers!)
Naisho no Kagai Jugyou Nyuumonhen
[Nakafusa Momo] Anoko no Himitsu 3 (Anoko no Himitsu) [English] [N04h]
Zerogumi Kagai Jugyou