[Furuta kazuya] Jukujo no taiken otto niha naisho
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae [English] [Fated Circle]
Chika-chan ni mo Naisho no Himitsu 2
(SC33) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi (Zero no Tsukaima)
[Kinako Gyuu Nyuu (Tomoharu)] Naisho ni Shiyou ne (Summer Wars) [Raw]
Dosukebe Enkou Gal no Naisho Ecchi
(CT23) [ENJOY MIX (Tokiai Haya)] Papa ni Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian
Okaa-san no Naisho
Naisho no Etsuchi Cokko
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu)
[Shirasudon] Dosukebe Enkou Gal no Naisho Ecchi
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
Okaa-san to Naisho
Abby to Naisho no Hamedori | Abby and the Secret Homemade Sex Tape
[Studio Wallaby] Dejiko no Naisho-nyo (Digi Charat)
Naisho na Shinomiya-san | The Secretive Shinomiya-san
Naisho no Wakana-san
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (PriPara)
(COMIC1☆7) [Bakunyu Fullnerson (Kokuriu)] Naisho no Oshigoto (Bakemonogatari)
(C94) [Kaiteinnu (Rajunnu)] Mary ni wa Naisho desu! (Fate/Grand Order)
AIBIKI. Naisho banashi. 3 Ch. 8
Naisho no Otogibanashi
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
[Tukimi Daifuku] Mama ni wa Naisho
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [柳葉個人漢化] [Digital]
Hoka no Dare ni mo Naisho da zo?
[Root 12-hedron (Landolt Tamaki)] Zutto Naisho ni Shiteta kedo, Jitsu wa Watashi, Haeteru no. [Digital]
[Mita Kurumi] Naisho no Photograph (COMIC ANGEL Club 2010-09)
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
Mifune-san to Ippai Kiss o Shite Naisho no | Secretly Kissing a Lot with Mifune-san
Otona ni Naisho no Warui Koto
Oya ni Naisho no Iedex 6 - Dekichatta Hen
[Muchiuchi (Muchi)] Naisho no Hero | Secret Hero (Osomatsu-san) [English]
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san
[BOSS Chin] Naisho no Ota x Bitch (COMIC Shingeki 2012-10) [English] [desudesu] [Digital]
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae [Chinese] [想吸大尾巴个人汉化]
(C72) [MURDERHOUSE (Workaholic)] Boku to Mama no Naisho (Keroro Gunsou)
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
(C88) [Fetism (Tanaka Ginji)] Takao-san no Naisho! (Kantai Collection -KanColle-)
[Sawada Daisuke] Wakazuma no Naishoku | Young Wife's Secret (COMIC Shingeki 2012-04) [English] [SaHa]
(Puniket 23) [Suitekiya (Suitekiya Yuumin)] Naisho no HONya-san (Watashi no Ouchi wa HONya-san)
AIBIKI. Naisho banashi. 3
(C85) [Inudrill. (Inumori Sayaka)] Renaishousetsuka 2 (Ar tonelico)
(C94) [Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou (Fate/Grand Order) [Chinese] [脸肿汉化组]
Kareshi ni Naisho de 4 Aijin... Nacchaimashita.
Naisho no Ouma-san Gokko | Secret Horse Play {doujins.com}
(C95) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to Ippai Kiss o Shite Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 3
[Asahina Makoto] Naisho no Natsuyasumi Ch. 1-2
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
Naisho no Kagai Jugyou Nyuumonhen
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
Aruji-sama ni Naisho no Memory Piece
Isekai Tensei Shita Saki de Party Member Zenin to Naisho de Ecchi Shiteru Neet
[ShiraishiNsuke] Naisho no Ouma-san Gokko | Secret Horse Play (COMIC BAVEL 2017-01) [English] {doujins.com} [Digital]
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
[Fuusen Club] Naisho no Ehon
Kawaii wa Naisho
Tsuma no Hajimete no Otoko ~Otto ni Naisho no Saikai Koubi~
[Ookami Uo] Gifu ([Ryuushutsu] JSJC Naisho no Jian) [English]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [Decensored]
Naisho no Hanashi | A Story About a Secret
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON) [Chinese] [CE家族社]
[Yamamichi] Naisho ni Shimasho | Let's Do It In Secret (COMIC Tenma 2015-06) [English] [desudesu]
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? (Brave Beats) [Digital]
HaruHaru to Kirara-chan no Naishogoto
Naisho Banashi Vol. 1-2
(Bokura no Love Live! 17) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu (Love Live! Sunshine!!)
Naisho no Omajinai
Houkago no Naisho | After School Secret
[Inomoto Rikako] Naisho no Onnanoko
Naisho no hanashi
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
Naisho ni shite ne
[Studio Wallaby (Deep Purple '72)] Licca no Naisho (Super Doll Licca-chan)
Naisho no Ushimitsudoki
Houkago no Naisho
(C79) [Kirimochi Texture (Kyuu Yoyoyoyou)] Naisho no Milky Time (Tantei Opera Milky Holmes)
[Iris art (Toda Hisaya)] 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
(C81) [Mama ni wa Naisho (Purukogi Beach)] Fukkin! (King of Fighters)
[blue killer (Doku Denpa)] Naisho no Yodare Sex [Digital]
[Teruki Kuma] Naisho da yo
Naisho desu yo? Kald-san | It's a Secret Kald-san, You Hear?
[Nekomaru Rentarou] Naisho no Omajinai (Puni Pedo!!) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
(SC24) [Naisho No Usagi Koya (Usakun)] Gohoubi Suimingu
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [English] [Digital]
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara) [English] {/u/ scanlations}