(brilliant days 3) [amuamu (Chimu)] Bokura no Naisho no (Ensemble Stars!)
(C88) [grand-slum (Cure Slum)] HaruHaru to Kirara-chan no Naishogoto (Go! Princess Precure)
Naisho no Yodare Sex
Naisho no Junbishitsu
(C57) [Studio Wallaby (Kokuden Kadotake, Shijuukara, Hontai Bai)] Shinobu no Naisho Love Hina Books (Love Hina)
(C82) [Spice Style Company (Kabutogani)] Naisho no Hanashi (Bakemonogatari)
[Tsurugi Motoaki (Sakemasu)] Naisho no Jikan
Mama ni Naisho Mama to Naisho
[N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari) [Digital]
Naishode Twins
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS)
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi
Kareshi ni Naisho de 4 Aijin... Nacchaimashita. | Keep This A Secret From My Boyfriend 4 - I Became... A Mistress.
Kareshi ni Naisho de 5 ...Dekichaimashita. | Keep This A Secret From My Boyfriend 5 - ... I Actually Did It.
Boku to Oneesan no Naisho
(C93) [Junk Box (Mutsuki)] Ore to Imouto no Naishogoto [Chinese] [無邪気漢化組]
(Dai-134-Ki Bunbunmaru. Shinbun Tomo no Kai) [Nekonome (Hikanyan)] Aya-kun to Momiji Onee-chan no Naisho no Jikan (Touhou Project)
Papa ni wa Naisho no Boshi no Fureai
(C90) [ERROR404 (Nikaido Kai)] Naisho ni shite ne (Touken Ranbu)
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)
(C94) [2nd color (Typehatena)] Loli Harem Shujinkou ni (Saimin de) Nattemita | I tried out being a loli-harem protagonist (with the help of a little hypnosis) (Ryuuou no Oshigoto!) [English]
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu no Naisho (The Legend of Zelda) [English] =SW=
Kare ni Naisho no Saimin Bitch Part 2 Rina-chan no Bitch Debut Shojo Soushitsu Hen
Lecia no Naisho Naisho no Chitsujo
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
Anoko nya Naisho
(C89) [EX35 (Kamaboko RED)] Minna ni naisho no setting! (Bakusou Kyoudai Let's and Go!!)
Shujin ni wa Naisho
Dejiko no Naisho-nyo
(C88) [Nachtzug (eko)] Ofuro de Naisho (Kantai Collection -KanColle-) [Chinese] [哲学狗汉化组]
[Studio Wallaby (Deep Purple '72)] Licca no Naisho (Super Doll Licca-chan)
[Sangatsu Usagi] Naisho no Teatime - The Secret Teatime
[Dorachefu] Naisho no Zupohame Shinkon Life | The Secret Bold-Fuck in A Newly-wed Life (ANGEL Club 2018-11) [English] [seindryu] [Digital]
[Asahina Makoto] Naisho no Wareme Lesson
Naisho no Honey 2
[Kakkii Dou] Shujinkouzu - Eroi no Vol. 2 | Protagonists - Erotic Vol. 2 (Pokemon) [English] {Risette}
Kanojo ni Naisho de
[Matsumoto Katsuya] Naisho no Mio Sensei | The secret Mio sensei (COMIC Masyo 2017-02) [English] [desudesu] [Digital]
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi [English] {Coff66 & Funeral of Smiles}
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi)
(COMIC1☆7) [Coffee Maker (TEL)] Goshujinsama E no Gohoubi (Love Live!)
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Conclusion (English)
Licca no Naisho
(C92) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 5 - Futsukame Hen
[Rokkaku Yasosuke] Naisho Zuma (Comic Shitsurakuten 2013-02) [English] [Facedesk]
(C93) [Junk Box (Mutsuki)] Ore to Imouto no Naishogoto [Chinese] [EZR個人漢化]
[Shunjou Shuusuke] Naisho no Jouji | Secret Affair (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
Naisho no Miria
(SC26) [PLUM (Kisaragi Kanna)] Naisho! (Sukatto Golf Pangya)
(SUPER22) [Kiiro Bird (Pappa)] Oyajidomo ni wa Naisho dazo (Magi: The Labyrinth of Magic)
Musashi-chan to Naisho no Shugyou
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
[Kimio Tamako] Watashi to Shujin no Sora
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
[Horihone Saizou] Naisho [ENG]
(COMIC1☆4) [Human High-Light Film (Shiosaba!)] Naisho no Makinami (Rebuild of Evangelion)
(C79) [Kirimochi Texture (Kyuu Yoyoyoyou)] Naisho no Milky Time (Tantei Opera Milky Holmes)
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica) [English]
Naisho no benkyou | Secret Study Time
(C79) [Zattou Keshiki (Okagiri Shou)] Ore ga Eroge no Shujinkou na Wake ga Nai (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
[Goshujinsama no Omochabako (hal)] 10-gatsu 31-nichi, Halloween, Watashi wa Shibuya de Jinsei Sutemashita. [English] [Digital]
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-5
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Digital]
(C72) [C@T Slash (Kahama Youko)] Naisho no Jikan (Kodomo no Jikan)
(C69) [St. Rio (Bomubomu Purin, Kitty, Kouenji Rei)] Kyou Kara Ore wa! Goshujin-sama 6 (Kore ga Watashi no Goshujin-sama [He Is My Master])
Houkago no Naisho | After School Secret
Naisho no Imouto Ecchi
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-7
(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Secret Nails | Naisho no Nail (Aikatsu!) [English] {/u/ scanlations}
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
(C86) [Kyuukyuubako (Makiron)] Makoto @ Maid to Sono Zantei Goshujinsama 2 (Free!)
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
[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]
[Fuusen Club] Okaa-san wa DeliHeal-jou ~Musuko no Doukyuusei to Naisho de Tanetsuke SEX~ [Digital]
[Natsume Benkei] Nichijou-teki ni Okaa-san ni Dasu Seikatsu - Otou-san ni Naisho no Nakadashi Ecchi Hen
Chika-chan ni mo Naisho no Himitsu
Naisho nya?
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
Isourou no Saenai Boku ga Kyawaii Bampire Musume o Naisho de Haramaseta Wake
(SC33) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi (Zero no Tsukaima)
(C71) [Hannama (Soine, Inato Serere)] Goshujinsama no Momoiro Pantsu (Zero no Tsukaima)
Naisho no Shuumatsu | A Secret Weekend
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho 2 (Cutey Honey)
I sekai tensei shita saki de pātīmenbā zen'in to naisho de etchi shi teru nīto
[Tawara Hiryuu] Kanojo ni Naisho de (COMIC Tenma 2015-03) [Chinese] [黑条汉化]
Touzen, Imouto ni wa Naisho de
Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期
[Sumomo Dou (Sumomo EX)] Shujin kengaku-kai [Digital]
Oya ni Naisho de Oppai shite kureru Katei Kyoushi no Onee-san
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
(C89) [16kenme (Sato-satoru)] Naisho no Love Situation (THE IDOLM@STER CINDERELLA GIRLS)
(C99) [Goshujinsama no Omochabako (hal)] Tanya-chan no Tai-Koumon Kunren (Youjo Senki) [Chinese] [沒有漢化]
Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook
[Nekomaru Rentarou] Naisho no Jugyou (U-148 cm.) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
[Torajima-shi Kouhouka (Torajimaneko)] Builder to Fighter no Naisho Banashi (Gundam Build Fighters) [Chinese] [黑夜汉化组] [Digital]
Boku to Oneesan no Naisho | 我與大姊姊的秘密
Motto Shitai Joshidaisei ga Kare ni Naisho no Kankei ni Hamacchau Ohanashi
(CR31) [Studio Wallaby (Deep Purple '72)] Su no Naisho!! -The secret of Su- (Vampiyan Kids)
[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]
(C92) [Macaron*Sketch (Yukatama)] Naisho no Cappuccino (Gochuumon wa Usagi desu ka?)
(C72) [Super Flat Lolinitron (Focke Wolf)] Karada no Naisho. (Asatte no Houkou.) [English] [Kamikakushi]
[AKIRA] Eve no Naisho Banashi 1
[blue killer (Doku Denpa)] Naisho no Yodare Sex [Digital]
(C94) [Kaiteinnu (Rajunnu)] Mary ni wa Naisho desu! (Fate/Grand Order)
Ore to Imouto no Naishogoto 3 Zen
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [English]
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]