(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-)
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
(C92) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 5 - Futsukame Hen
[Minor Boy] Keiko Sensei no Chijoku Jugyou
Gaman Dekinai Kagai Jugyou
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1 [Chinese]
Boku Otokonoko nan desu kedo - Tokubestu Jugyou
Yume no Natsugai Jugyou
(C85) [Mama ni wa Naisho (Plasma Beach)] Hoshokukei Joshi (GOD EATER)
[Light Pink] YES! Yes! Kagai Katsudou 2 (Yes! Precure 5)
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin] [Decensored]
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
(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 | The Secretive Shinomiya-san [English] {Hennojin}
Toron no Naisho (Tron's Secret) (Megaman)
[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]
(C79) [Human High-light Film (Shiosaba)] Naisho no Ayanami (Neon Genesis Evangelion)
(C91) [Utaneya (Shion)] Naisho no Djeeta Onee-chan (Granblue Fantasy)
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
[Gyuunyuu Rinda] Minami Sensei no Tadashii Seikyouiku Jugyou
[Jackpot 64 (HAN)] Alicia-mama to Naisho Ecchi Suru Hon (Granblue Fantasy) [Digital]
Keiko Sensei no Chijoku Jugyou
(C77) [Zi, 66 no Oka (Mutsuki Ginji, Mu Mu Munou)] Naisho no Zange Shitsu 1 (Kannagi)
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! | A Secret Night Battle Practice With Big Sis Tenryuu!! (Kantai Collection -KanColle-) [English]
[Koppe] Koboreru Naisho (COMIC Kairakuten BEAST 2015-11) [Chinese] [绅士仓库汉化]
(C74) [Naruho-dou (Naruhodo)] Sekaiichi Uketai Anko no Jugyou (Naruto) [Chinese]
(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Naisho no Nail (Aikatsu!) [2nd Edition]
[Itou Nanami] Naisho no Houkago (COMIC Potpourri Club 2014-07) [Chinese] [黑条汉化]
[Pavington (Takahara Sea-Gull, Marukido Sado)] Narashite Naisho no Concerto
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ [Digital]
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
[Dai 25 Hohei Shidan] ABC wa Ikenai Jugyou!
(SUPER23) [Dogfes (sio)] Kagai Jugyou (Ansatsu Kyoushitsu)
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [English]
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS) [Chinese] [脸肿汉化组]
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness)
[Kino Hitoshi] Kojin jugyou
(SC59) [Marked-two (Maa-kun)] Mikan no Naisho (To LOVE-Ru)
Naisho no Kagai Jugyou Nyuumonhen
(Reitaisai 9) [Hannama (Soine)] Kasen-chan Jugyou Desu-yo (Touhou Project) [English] {Pesu}
(C95) [horonaminZ (horonamin)] Ochikobore Succubus to Sex Hoshuu Jugyou
[Kasuga, Shin] Hadakanbo Kyouiku - JK mo Oppai Marudashi!? Sukoyaka Zenra Jugyou 2
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi)
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
Kagai Choukyou
[Sakamata Nerimono] Sexual Fall (Megane Loli Choukyou Jugyou!! ~Otonashii Megane Lolikko ni Muriyari Dekachin Sounyuu~) [English] {Doujins.com}
Hoshuu Jugyou bu Seikatsu Kiroku | 补习授业部性爱记录
Ikinari Yashuu Kyouju An An Jugyou
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou-
[Hanpera] Nakadashi Tsuyudaku Kyonyuu Jugyou | 膣射出汁溢出 巨乳授業 [Chinese]
Tenkousei JK Elf -Houkago Choukyou Jugyou-
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-)
[Wakaba Circle] Jugyou o Sabotta Shoujo ga Tannin ni Hokenshitsu de Okasareru
[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}
(C80) [Avion Village F (Fechi)] Kamishirasawa Keine no Dosukebe Kojin Jugyou (Touhou Project)
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
(C72) [MURDERHOUSE (Workaholic)] Boku to Mama no Naisho (Keroro Gunsou)
Kyou mo Mata Katei Kyoushi ga Kite Kyousei Mesu Ochi Saimin Jugyou o Suru Hi
[ARI] Naisho No Hokenshitsu (COMIC Penguin Celeb 2015-03) [Chinese] [上古勤受荣誉呈献]
Kore mo Jugyou no Ikkan desu 2
Sensei no ♥ Himitsu Jugyou
[Noise] Tobibako no Jugyou (COMIC LO 2013-05 Vol.110) [English] [Facedesk]
[Morishima Kon] Naisho no Gohoushi (Oneshota Dish) [English] [Kusojiji] [Digital]
Zerogumi Kagai Jugyou
[Sankuro] Himitsu no Jugyou Sankan | Secret of the Classroom Visit (COMIC LO 2011-01) [English] [Mistvern]
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 2 (English)
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou | Katori-sensei's Field Training (Kantai Collection -KanColle-) [English] {doujin-moe.us} [Digital]
[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]
Inkou Kyoushi Dakkou Kakugo no Kakuchou Jugyou
[Morishima Kon] Naisho No Gohoushi (COMIC Tenma 2016-04) [Chinese] [漢化組漢化組]
(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]
Musuko no Tameni Tannin to SEX… Jugyou Sankan de Ikasenaide!
[Mita Kurumi] Mama ni wa naisho ne? (COMIC Penguin Club 2015-08) [Chinese] [Drz翻訳]
(C88) [Mama ni wa Naisho (Plasma Beach)] Chan nana no Shokutaku (GOD EATER)
[Jingrock] Kokuhaku | Confession (Shougakusei Koukan Jugyou) [English] [Yoroshii]
[Horitomo] Lamia no Tokubetsu Jugyou (Kininaru Anoko wa Monster Musume) [Chinese] [CE家族社]
Tsuya Ane ~Onee-san no Micchaku Jugyou~
(C54) [Studio Wallaby (Various)] VITAMIN-B5 1/2 Ruri Ruri Naisho no Arbeit Nikki (Martian Successor Nadesico)
[botibotiikoka (takku)] Joji Bitch JS wa Yuuwaku Shitagariya-san - Inokori Jugyou [Digital]
(COMIC1☆11) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou♪ (Gochuumon wa Usagi desu ka?)
Chiron Sensei no Seikou Jugyou
[FEI] Sensei no ♥ Himitsu Jugyou Ch.1-3
[Takase Yuu] Naisho no Jiyuuchou
Kagai Jugyou Sakuya Hen
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(C81) [Mama ni wa Naisho (Purukogi Beach)] Fukkin! (King of Fighters)
[Anzaki Moral] Hanjuku Yawaana Jugyou - Soft-Boiled, so Sweet Hole Lesson.
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
Yuutousei ni Hitsuyou na Jugyou
[Shinokage] Taiiku no Inokori Jugyou
[Light Pink] Yes! Kagai Katsudou (Yes! Precure 5)
(COMITIA123) [Yukan high Zakura (Chieko)] Bijutsu Jugyou Dessin Model
[Guglielmo] Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ | Welcome graduate ~AV Actress's Extracurricular lesson~ (Shishunki Marudashi!) [English] [Azzei]
[Nekomaru Rentarou] Naisho no Jugyou (U-148 cm.) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
[Kitani Sai] Shitsuraku Aroma | Lost Aroma (Himitsu Jugyou) [English] {Fated Circle}
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-) [English]
Kimi to Himitsu no Jugyou
[Keno Yantarou] Tanoshii Kagai Jugyou
(C83) [Honey Bunny (Kohachi)] Naisho no Nurse-san
Ellen-sensei no Houkago Tokubetsu Jugyou
Yomako-Sensei no Tokubetsu Jugyou
[Nedaore (Ayane)] Onnanoko Naisho Space (Puella Magi Madoka Magica) [Digital]
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.1 [Chinese]