(C78) [Angel☆Tear (Togo)] Hinata to Yui no Kagai Jugyou (Angel Beats!)
Naisho no Hokenshitsu
(C90) [Kaminari-neko (Eitarou)] Miho to Anzu no Naisho no Himegoto (Girls und Panzer)
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~
Naisho no Kojin Shidou Shinkyuu Hen
[Balpanther] Naisho no Undoukai (Puella Magi Madoka☆Magica)
(C72) [Super Flat Lolinitron (Focke Wolf)] Karada no Naisho. (Asatte no Houkou.) [English] [Kamikakushi]
Naisho no Ohime-sama | The Princess' Secret
(C94) [Critical Hit! (Zetz)] Mutsuki no Naisho (Azur Lane)
Hanasaku Mori no Naisho no Hanashi.
Naisho no Ushimitsudoki
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin] [Decensored]
Naisho no Imashiro-san
[Babymaker (Beco)] Naisho no Kozukuri [English] [MintVoid]
Isekai Tensei Shita Saki de Party Member Zenin to Naisho de Ecchi Shiteru Neet
(COMIC1☆3) [Human High-Light Film (Shiosaba)] Naisho no Honey (Cutey Honey)
[Ohigetan] Chikan Gakushuu Shidou Youryou ~Shou 6 Gyaku Chikan Kagai Jugyou Hen~ (COMIC LO 2016-08) [English] [Striborg]
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
[TLB] Otousan to Naisho ~Aru Daikazoku no Chichi to Musume Yuku Toshi Kuru Toshi Himehajime~
(C93) [The Seventh Sign (Kagura Yuuto)] Rean Kyoukan no Tokubetsu Kagai Jugyou (The Legend of Heroes: Trails of Cold Steel) [Chinese] [Ciel@M-No-Tamashii×無毒漢化組]
Kanojo ni Naisho de
Oyajidomo ni wa Naisho dazo
[Fireball Products] Seki Sensei No Kagai Jisshuu
[Junk Center Kameyoko Bldg] Okaa-san Mitsuko - Kotatsu no Naka de Naisho de Itazura Wakeari Nama Nakadashi Houkei Shujutsu (Hikaru no Go) [Chinese] [含着个人汉化]
(SUPER13) [Aireal, Teruo Haruo (Fuka, Kanekiyo Miwa)] Kagai Jugyou - Extracurricular Lesson (Yu-Gi-Oh!)
[HONOYURARA (Mitsuhabotan)] Kagai Jugyou Netsu Shisen (Kill la Kill) [Digital]
Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
Bokura no Naisho no
Naisho de! Twins
[Tokunaga Poosaku] Himitsu no Kagai Jugyou
Naisho no Jikan
Houkago no Naisho | After School Secret
[blue killer (Doku Denpa)] Naisho no Yodare Sex [Digital]
Onna Kishi no Kagai Katsudou
Kagai Choukyou
(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]
Naisho no Karada Kensa Ch.2
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI)
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English] [magiclamp]
Off no Kongou to Naisho no Ohanashi
[Morishima Kon] Naisho no Gohoushi (Oneshota Dish) [English] [Kusojiji] [Digital]
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke)
(Break Shot! 9) [Zawameki Jambo (Zawameki)] Naisho no Hanashi (Danganronpa)
(C58) [Studio Wallaby (Fuu)] Reiko no Naisho! (Comic Party)
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Digital]
Kitakami-san to Naisho no Naisho
I sekai tensei shita saki de pātīmenbā zen'in to naisho de etchi shi teru nīto
[BOSS Chin] Naisho no Ota x Bitch (COMIC Shingeki 2012-10) [English] [desudesu] [Digital]
[Tawara Hiryuu] Kanojo ni Naisho de (COMIC Tenma 2015-03) [Chinese] [黑条汉化]
[Koppe] Koboreru Naisho (COMIC Kairakuten BEAST 2015-11) [Chinese] [绅士仓库汉化]
Rean Kyoukan no Tokubetsu Kagai Jugyou
(C82) [THE FLYERS (Naruse Mamoru)] Ako-chan to Naisho no XX + plus (Saki Achiga-hen)
[Irotsuki Sakari] Kanjiru Kagai Jugyou
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 2 (English)
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS)
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [腥海社] [Digital]
(C83) [SHi's Laboratory (SHINGO)] Paizurina sensei no kagai koshu♪
Enshoku Niku Sakura - Coquettish Flesh Cherry
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [English] {Hennojin}
[Tokunaga Poosaku] Himitsu no Kagai Jugyou [Chinese] [cqxl自己汉化]
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
(C92) [Retasuya (Retasu)] Kaiboukan to Naisho no Asobi (Kantai Collection -KanColle-)
(C89) [Coopy (Yomogi)] Chino-chan to Naisho no Obenkyou (Gochuumon wa Usagi desu ka?)
Glenn Sensei no Rokudenashi Kagai Jugyou
Seito to Naisho de Junai Ecchi shitetara Douryou no Kyoushi ni Barete Netorareru Bijin Josei Kyoushi no Hanashi
(Bokura no Love Live! 17) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu (Love Live! Sunshine!!)
Naisho desu yo? Kald-san
[Keno Yantarou] Hazukashii Kagai Jugyou | 害羞的課外授業 [Chinese]
Abby to Naisho no Hamedori
(C95) [Hitsujiniku (Lamb)] Hoka no Kanja-san ni wa Naisho da yo? (Natori Sana)
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
[Oozora Kaiko (Kaiko)] Papa ni wa Naisho no Boshi no Fureai [Chinese] [某三人汉化组]
Yancha Bouzu Yoru no Kagai Jugyou
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [一匙咖啡豆汉化组]
[Mizuyuki] Futari no Naisho no ××× (COMIC HOTMILK 2016-06) [Chinese] [無邪気漢化組]
Senpai ni wa Naisho ssu yo?
Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2
[Anyakunin] Kagai Jugyou (Futa-On-Male)
[Matsumoto Katsuya] Naisho no Mio Sensei | The secret Mio sensei (COMIC Masyo 2017-02) [English] [desudesu] [Digital]
Okaa-san Sore wa Mazui desu yo! ~Tsuma ni wa Naisho de ED Kokufuku Renshuu Sex!?~
Boku to Oneesan no Naisho
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi [Chinese] [佳奈助汉化]
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
[kedamono (Tori Hrami)] Naisho no Undoukai | 运动日的秘密 [Chinese] [本子社汉化] [Colorized] [Digital]
Hageshii Kagai Jugyou
Naisho no Wakana-san
(SC31) [P-Forest (Hozumi Takashi)] Otome no Naisho Tomoe-chan to Iroiro... (Mai-Otome)
Kagai Katsudou
[2B (MANA-KO)] Naisho no Haruna-chan (To LOVE-Ru) [Digital]
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
Kanojo ni Naisho de | Secret From Her
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
(C79) [Human High-light Film (Shiosaba)] Naisho no Ayanami (Neon Genesis Evangelion) [English] [CGrascal]
[Guglielmo] Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ (Shishunki Marudashi!) [English] [Azzei]
[Sakura Puchilo] Naisho no Hokenshitsu (Otokonoko Heaven's Door 1) [Chinese] [瑞树汉化]
Kare ni Naisho no Saimin Bitch Part 1
[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]
Naisho no Aji
[SAS] Kagai Jugyou ni Youkoso!(COMIC Penguin Club Sanzokuban 2011-12)
[Higashino Mikan] Kareshi ni Naisho de ❤ | Behind My Boyfriend's Back ❤ (COMIC Koh Vol. 3) [English] [sureok1]
Naisho no Osananajimi | 秘密的两小无猜
[Katuraya (Takemaru)] Naisho no Ichiban Kuji (Mahou Shoujo Lyrical Nanoha)
[Ginto] Ure Niku Neburi Gakuenchou to Boku no Ero Hon Kagai Jugyou
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [English]
(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
(COMIC1☆7) [CARAMEL CRUNCH! (Rikatan)] Naisho no Houkago Idol (Love Live!)
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-)
Kareshi Mochi no Kurokami Irojiro Binyuu Joshidaisei ga Cunni dake Mikeiken de Kare no Tomodachi ni Naisho de Hatsu Cunni Sarete Amari nimo Kimochiyo Sugite Sonomama Nagasare Sex Shita
(C89) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Toshikoshi-hen [Chinese] [肥宅除夕依舊只能看著衛生紙上的殘渣翻譯]
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
Oya ni Naisho no Umi no Iedex
[Oohashiya (Oohashi Hikaru)] 3-nen A-gumi Kagai Jugyou (Mahou Sensei Negima!)
Alice no Naisho | Alice's Secret
Nanao no Naisho | 菜菜绪的小小秘密
(CSP5) [popular plus (Plus)] Boku to Hideyoshi to Naisho no Yorimichi (Baka to Test to Shoukanjuu)
Oya ni Naisho no Iedex 5 - Futsukame Hen
Kouu-sama ni wa Naisho | 不能告訴項羽大人
[Motika] Naisho no Sakunyuu | Milking In Secret (ANGEL Club 2014-01) [English] [vaasi]
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
[Tukimi Daifuku] Mama ni wa Naisho
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
[Watanabe Wataru] Naisho ni Shite ne
Naisho no hanashi
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
[Ponsuke] Naisho no Kaihou | Secret Nursing (COMIC LO 2017-12) [English] [dame ningen]