(Bokura no Love Live! 17) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu (Love Live! Sunshine!!) [English]
Kouu-sama ni wa Naisho | 不能告訴項羽大人
Zutto Otousan no Oyomesan ~Oyako de Naisho no Kinshinsoukan~
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
Naisho no Enkou Challenge | 不可告人的援交挑战
Chika-chan ni mo Naisho no Himitsu
Yorita Yoshino to Naisho no Hikaeshitsu
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
Naisho no Kagai Jugyou Ouyou Hen
Naisho no Nama Honban
Naisho no Love Situation
Kareshi ni Naisho de 4 Aijin... Nacchaimashita. | Keep This A Secret From My Boyfriend 4 - I Became... A Mistress.
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [腥海社] [Digital]
[Akikan (rikazu)] Otona no Hito niwa Naisho, Jitsuwa Boku... Kinjo ni Sunderu Futago no Onee-chan ni, Ecchi na Itazura Sareterundesu. [Chinese]
(Naisho no Jikan) [Apricot Sirup (Hi~mosu, Marui)] Doki Doki Kodomo Time (Kodomo no Jikan)
Sense to Naisho no Obenkyou | A Secret Study with Sensei
Naisho no Gohoubi
(Crazy Lyric Battle) [Honey Rice (Neon Ui)] Boku to Onii-chan no Naisho no Orusuban (Hypnosis mic)
[D-MARCH (Kitagawa Ryuu)] Naisho hanashi o shiyou. (Kiddy Grade)
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
[Rokkaku Yasosuke] Naisho Zuma (Comic Shitsurakuten 2013-02) [English] [Facedesk]
[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]
Chika-chan ni mo Naisho no Himitsu
[PuruMetal] Isekai Tensei Shita Saki de Party Member Zenin to Naisho de Ecchi Shiteru Neet (Kono Subarashii Sekai ni Syukufuku o!) [Digital] [Chinese] [爱弹幕汉化组]
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- [English]
(C91) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen | Running Away From Home Sex We'll Keep Secret From Our Parents - Winter Break Trip Edition [English] {Doujins.com}
Naisho no Ohime-sama
Otona ni Naisho no Warui Koto
(C95) [Night FUCKERS (Mitsugi)] Nanao no Naisho
(C85) [Mama ni wa Naisho (Plasma Beach)] Hoshokukei Joshi (GOD EATER)
Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
(C58) [Studio Wallaby (Fuu)] Reiko no Naisho! (Comic Party)
Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
[Ookami Uo] Yuutousei | The Honor Student ([Ryuushutsu] JSJC Naisho no Jian) [English]
(C90) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Umi no Iedex [Chinese] [偷偷看著海邊亂交趴後在太平洋上射了殘渣翻譯]
[Shunjou Shuusuke] Naisho no Jouji | Secret Affair (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
[Asahina Makoto] Naisho no Natsuyasumi Ch. 1-2
Kare ni Naisho no Saimin Bitch Part 2 Rina-chan no Bitch Debut Shojo Soushitsu Hen
Erika no Naisho.
(C95) [16 Sai (Pastachin)] Kouu-sama ni wa Naisho | 不能告訴項羽大人 (Fate/Grand Order) [Chinese] [EZR個人漢化]
[Babymaker (Beco)] Naisho no Kozukuri
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
(COMIC1☆7) [Bakunyu Fullnerson (Kokuriu)] Naisho no Oshigoto (Bakemonogatari)
[Misao.] Minamo no Naisho | Minamo's Secret (Hajimete Janai yo?) [English] [Rin]
Naisho no Sakuya-san
Bokura no Naisho no
Anoko ni Naisho no Uchiawase
Mifune-san to Ippai Kiss o Shite Naisho no
Natori Sana -Naisho no Douga Satsuei-
Kanojo ni Naisho de
(HaruCC20) [Mikazuki Shokudou (Kurosawa Ayuki)] Aniki ni wa Naisho da yo? (Daiya no Ace)