[Horihone Saizou] Naisho-Yoo
[Irotsuki Sakari] Kanjiru Kagai Jugyou
[Q] Kagai Lesson (Fujouri na Nyotai Kousoku) [Digital]
[Studio Wallaby (Deep Purple '72)] Arashi no Naisho, Aiko no Himitsu (Gad Guard)
(C80) [Avion Village F (Fechi)] Kamishirasawa Keine no Dosukebe Kojin Jugyou (Touhou Project)
[Yan-Yam (Yan-Yam)] Inkou Kagai Jugyou (Onegai Teacher)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
Yomako-Sensei no Tokubetsu Jugyou
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou- [Chinese] [ass個人簡易漢化]
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
[FEI] Sensei no ♥ Himitsu Jugyou Ch. 1-8
[SAS] Kagai Jugyou ni Youkoso!(COMIC Penguin Club Sanzokuban 2011-12)
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou- [Chinese] [战栗的玻璃棒个人汉化]
[Nekomaru Rentarou] Naisho no Omajinai (Puni Pedo!!) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [一匙咖啡豆汉化组]
Tenshi no Houkago Jugyou Chapter 4
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami)
(C79) [SHINING (Shaian)] Akari Yami Jugyou (Jewelpet Twinkle)
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
[A' (bebe)] Nonomi no Naisho! (Gunparade March)
[Ohigetan] Chikan Gakushuu Shidou Youryou ~Shou 6 Gyaku Chikan Kagai Jugyou Hen~ (COMIC LO 2016-08) [English] [Striborg]
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck [English] {doujins.com}
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
(SUPER22) [Kiiro Bird (Pappa)] Oyajidomo ni wa Naisho dazo (Magi: The Labyrinth of Magic)
JK Yome Sakura no Yagai Jugyou
(C85) [CHAGASHI SAIBAN (Yamabuki Mook)] Naisho no Roommate (Infinite Stratos)
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! (Touhou Project)
[Seiten no Hekireki (Toruneko)] Naisho no Tokkun (Jikkyou Powerful Pro Yakyuu)
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
(C56) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou
(C82) [Cocotto (Mizusawa Mimori)] Naisho no xx dake Hon
(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]
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou-
(C95) [horonaminZ (horonamin)] Ochikobore Succubus to Sex Hoshuu Jugyou
(SC33) [Human High-Light Film (Shiosaba)] Honey no Naisho 3 (Cutey Honey)
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ [Chinese] [沒有漢化]
Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1 [Chinese]
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [星野願漢化WEI嵌字]
(SUPER23) [Strawberry (Ichigo)] Tousan ni wa Naisho ni Shitete (Shingeki no Kyojin)
[Oyama Yasunaga] Kahanshin Jugyou - Teaching About the Lower Half of the Body
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke)
Toron no Naisho (Tron's Secret) (Megaman)
[Leafy] Mama ni Naisho no Hatsujouki [Digital]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [English] [QB Translations] [Decensored]
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
[Minor Boy] Keiko Sensei no Kagai Jugyou - Keiko Sensei Series 1
[sho-tan] Taiiku no Jugyou
[Noise] Tobibako no Jugyou (COMIC LO 2013-05 Vol.110) [English] [Facedesk]
[Anthology] H na Kanojo to Naisho no Shutter Chance [Digital]
(C92) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 5 - Futsukame Hen
[Anthology] Megane Loli Choukyou Jugyou!! ~Otonashii Megane Lolikko ni Muriyari Dekachin Sounyuu~
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou (Complete)
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
[Fireball Products] Seki Sensei No Kagai Jisshuu
[Minor Boy] Keiko Sensei no Chijoku Jugyou
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou (Kantai Collection -KanColle-) [Digital]
(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]
※Hoshuu Jugyou desu.
[Shinokage] Taiiku no Inokori Jugyou
(C73)[Alpha to Yukaina Nakamatachi] Naisho no Trap (Quiz Magic Academy)
[Yanagawa Rio] Naisho no Wonderland | Wonderland of Secrets (GoGo! Girls) [English] {5 a.m.}
Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson
[Jun&Yuri (Yuriko)] Tokubetsu Jugyou Shiyou! Kashima-chan! (Kantai Collection -KanColle-)
[kedamono (Tori Hrami)] Naisho no Undoukai | 运动日的秘密 [Chinese] [本子社汉化] [Colorized] [Digital]
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]