Boku to Kanojo no Hikakuteki Naisho no Nichijou Conclusion
[Natsume Benkei] Nichijou-teki ni Okaa-san ni Dasu Seikatsu - Otou-san ni Naisho no Nakadashi Ecchi Hen
(SC3) [Studio Wallaby (Deep Purple '72, Jacky Knee de Ukashite Punch x2 Summer de GO!)] Naisho no Azuki (Azuki-chan)
(C84) [Kodoku intelligence (nanao)] Saiai to Rikou no Hon (Toaru Majutsu no Index) [Chinese] [我尻故我在個人漢化]
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara) [English] {/u/ scanlations}
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English] [magiclamp]
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
[Ponsuke] Naisho no Massage | Secret Massage (COMIC LO 2016-03) [English] {5 a.m.}
(Messa Kininaruu 2) [BlueMage (Aoi Manabu)] Naisho nya? (Kemurikusa) [Chinese] [猫在汉化]
[Koneko Gumi, Shounen Marionette (Poron, Kuonji Shutaka, Namao)] Naisho no Otogibanashi [English] {Shotachan}
Okaa-san wa DeliHeal-jou ~Musuko no Doukyuusei to Naisho de Tanetsuke SEX~
Tsuki ni wa Naisho no Hoshikuzu
Oya ni Naisho no Iedex 5 - Futsukame Hen
Naisho no Kagai Jugyou Nyuumonhen
[Balpanther] Naisho no Undoukai (Puella Magi Madoka☆Magica)
Naisho no Ushimitsudoki
Naisho no Sakuya-san
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi) [English]
[Hasemi box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti)
(FF22) [Denmoe (Oninarasu)] AiAi Daisakusen 2 (Date A Live) [English] [Facedesk]
[Musashimaru] Touzen, Imouto ni wa Naisho de [Digital]
(C96) [Manmaru Hoppe (Yawaraka Midori)] Yuka-chan no Naisho | Yuka-chan's Secret [English] {Mistvern}
[ShiraishiNsuke] Naisho no Ouma-san Gokko | Secret Horse Play (COMIC BAVEL 2017-01) [English] {doujins.com} [Digital]
(C72) [MURDERHOUSE (Workaholic)] Boku to Mama no Naisho (Keroro Gunsou)
[Laniporte (Wamibanta)] Papa ni wa naisho! [Digital]
[Nanami Shizuka] Naishobanashi. Vol. 1 [Digital]
(SC5) [Studio Wallaby (Deep Purple '72, Kura Oh)] Doris no Naisho (D4 Princess)
[fourthcape (Misaki Takahiro)] Sena to Naisho no Houkago (Boku wa Tomodachi ga Sukunai) [Digital]
Otonari-san no Naisho na Enkou Seikatsu
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho (Cutey Honey)
[Konekopan (Rie)] Naisho no Marshmallow Heart! (Ensemble Stars!) [Digital]
[Studio Wallaby (Various)] VITAMIN-B5 1/3 Ruri Ruri Naisho no Gakuen Nikki (Kidou Senkan Nadesico)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
Tetsu Momo MANEATER
Naisho no TsuboEri Himitsu no Itsuki
(HaruCC20) [Mikazuki Shokudou (Kurosawa Ayuki)] Aniki ni wa Naisho da yo? (Daiya no Ace)
[Konohana] Naisho no Jikan | Secret Times (COMIC Megastore 2009-04) [English] [Hentai from Hell]
(C94) [Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou (Fate/Grand Order) [Chinese] [脸肿汉化组]
(brilliant days 3) [amuamu (Chimu)] Bokura no Naisho no (Ensemble Stars!)
Boku to Kanojo no Hikakuteki Naisho no Nichijou Extra Chapter
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
Futari de Naisho no Ohanashi
(Reitaisai 15) [Yude Tamamochi (sui)] Futari dake no Naishogoto (Touhou Project)
[Mizuyuki] Futari no Naisho no ××× (COMIC HOTMILK 2016-06) [Chinese] [無邪気漢化組]
(C90) [Kaminari-neko (Eitarou)] Miho to Anzu no Naisho no Himegoto (Girls und Panzer)
(COMIC1☆4) [Human High-Light Film (Shiosaba!)] Naisho no Makinami (Rebuild of Evangelion)
[Yukawa Asami] Naishono Kobeya
Onii-chan to Naisho no Oshiri Lesson
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
[Kamiya Ogawa] Mama ni Naisho Mama to Naisho (COMIC Penguin Club Sanzokuban 2018-11) [Digital]
H na Kanojo to Naisho no Shutter Chance
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
Hanasaku Mori no Naisho no Hanashi.
(C95) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 3 (Love Live! Sunshine!!) [English]
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI)
Kareshi ni Naisho de 5 ...Dekichaimashita. | Keep This A Secret From My Boyfriend 5 - ... I Actually Did It.
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
Rem-rin to Naisho no Oshigoto
(C90) [Shinobi-Rocket (Sasamashin)] Lady to Naisho no Yoru Sanpo (Kantai Collection -KanColle-)
Futari to Shota no Naisho Graffiti
Matsurinoyoru no Naisho
Kareshi ni Naisho de 4 Aijin... Nacchaimashita.
Naisho no Junbishitsu
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [English] [AlphaYang]
Itoko no Futanari Onee-chan to Naisho no Milk
Oyajidomo ni wa Naisho dazo