[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]
(C72) [C@T Slash (Kahama Youko)] Naisho no Jikan (Kodomo no Jikan)
(SC24) [Naisho No Usagi Koya (Usakun)] Gohoubi Suimingu
(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]
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
[Sakamata Nerimono] Naisho no Ofuro Ya San | Secret Bathhouse-san (Digital Puni Pedo! Vol. 07) [English] [ninjastik]
Chiron Sensei no Seikou Jugyou
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~
[Beater (daikung)] 體育課夭壽讚!Taiiku Jugyou wa Saikou daze! [Chinese] [Digital]
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou -
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [Digital]
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? (Brave Beats) [Digital]
[Matsumoto Yuuka] Naisho no Cute Boy
Musuko no Tameni Tannin to SEX… Jugyou Sankan de Ikasenaide!
Rize Sensei to Himitsu no Jugyou
[PLEIADES☆FORTUNE (Kaniyama Yusuke)] Natsuyasumi Hoshuu Jugyou
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~
(C90) [Mama ni wa Naisho (Plasma Beach)] Kinniku Bokujou (THE IDOLM@STER)
(C89) [EX35 (Kamaboko RED)] Minna ni Naisho no Setting! (Bakusou Kyoudai Let's & Go!!)
[Hayake] Sensei to Himitsu no Jugyou | Secret Lessons with Sensei (COMIC LO 2021-07) [English] {Mistvern} [Digital]
Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-9
(C88) [Mama ni wa Naisho (Plasma Beach)] Chan nana no Shokutaku (GOD EATER)
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami)
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records) [Chinese] [oo君個人漢化]
[Agata] Naisho no Kakurenbo (COMIC Megamilk Vol.18)
Rokujou Junko no Haisetsu Kagai Jugyou
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Digital]
(C83) [Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou
(C77) [Zi, 66 no Oka (Mutsuki Ginji, Mu Mu Munou)] Naisho no Zange Shitsu 1 (Kannagi)
[Ika Client] Girotin Konsoku Hoken no Jugyou
[Momonosuke] Shirai-sensei no Hoshuu Jugyou | Shirai Sensei's Extra Lessons (Momoiro Otome Irony) [English] [Flatopia] [Digital]
[Aigamodou (Ayakawa Riku)] Katori Sensei no Yasen Jugyou (Kantai Collection -KanColle-) [Digital]
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-4 [English] [Lazarus H]
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
[Katsurai Yoshiaki] Amatsuka Gakuen no Kaikan Jugyou (COMIC X-EROS #37)
[Iguchi Sentarou] Classmate to Ecchi Jugyou Ch.1 [Chinese]
Gaman Dekinai Kagai Jugyou Ch. 1-9
(COMIC1☆11) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou♪ (Gochuumon wa Usagi desu ka?)
(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]
Tenshi no Houkago Jugyou Chapter 3
[Leafy] Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期 [Chinese] [渣橙子個人單行本漢化]
(CR31) [Studio Wallaby (Deep Purple '72)] Suu no Naisho!! -The secret of Su- (Vampiyan Kids)
[Oozora Kaiko (Kaiko)] Papa ni wa Naisho no Boshi no Fureai [Chinese] [某三人汉化组]
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English]
(C88) [nothingfades (Amane Nekoko)] Naisho no Hajimete Kouhen (PriPara)
[Kuku ya (ckj)] Naisho desu yo? Kald-san (Firis no Atelier)
[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}
[botibotiikoka (takku)] Joji Bitch JS wa Yuuwaku Shitagariya-san - Inokori Jugyou [Digital]
[Root 12-hedron (Landolt Tamaki)] Zutto Naisho ni Shiteta kedo, Jitsu wa Watashi, Haeteru no. | I've always kept this a secret, but the truth is, I have one [English] [UsagiTrans] [Digital]
[Sirotateto] Naisho no Orusuban [Digital]
Classmate to Ecchi Jugyou
(C85) [Chagashi Saiban (Yamabuki Mook)] Naisho no Roommate | Secret Roommate (IS <Infinite Stratos>) [English] [RapidSwitch+Life4Kaoru]
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Chinese] [靴下漢化組] [Digital]
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
(C78) [Nekoneko Panchu! (Nekoneko Panchu)] Sanshimai Choukyou Yuugi [Yukari Hen] Yukari-chan no Butabana Kachiku Choukyou [Anal Higyaku Jugyou]
(SC36) [Lezmoe! (Oyu no Kaori)] Zettai Naisho! Himitsu no Otomari nano (Mahou Shoujo Lyrical Nanoha StrikerS)
(C71) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2+ Plus
[Aoji] Kagai Jugyou (Naruto)(English)(yaoi)
(C89) [16kenme (Sato-satoru)] Naisho no Love Situation (THE IDOLM@STER CINDERELLA GIRLS)
[fourthcape (Misaki Takahiro)] Sena to Naisho no Houkago (Boku wa Tomodachi ga Sukunai) [Digital]
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [Digital]
(C80) [Shirakaba Doori (DRY)] Fuyuko Sensei no Hachimitsu Jugyou (Cerberus)
Kagai Jugyou | Extracurricular Activity
[R-Deco (Yusa)] Youjo Senpai niwa Naisho! (Aikatsu!) [Digital]
[N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari) [Digital]
(C94) [Service Heaven (Azukiko)] Kawakami Sensei to Futaba no Himitsu Kojin Jugyou (Persona 5)