Boku to Onii-chan no Naisho no Orusuban
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
[Katuraya (Takemaru)] Naisho no Ichiban Kuji (Mahou Shoujo Lyrical Nanoha)
(CSP5) [popular plus (Plus)] Boku to Hideyoshi to Naisho no Yorimichi (Baka to Test to Shoukanjuu)
Abby-chan wa Ikenai Ko?
(C86) [Mama ni wa Naisho (Plasma Beach)] Kinniku Chocolate (Samurai Spirits)
(C97) [Igou (Yamazaki Kana)] Abby to Tobari no Yuugatou (Fate/Grand Order) [English]
Yuka-chan no Naisho
Maya-chan to Naisho
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke) [English]
Chaldea Outdoor Challenge Abby-chan to Issho 3
(C89) [EX35 (Kamaboko RED)] Minna ni naisho no setting! (Bakusou Kyoudai Let's and Go!!)
(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
Yorita Yoshino to Naisho no Hikaeshitsu
[Mita Kurumi] Naisho no Photograph (COMIC ANGEL Club 2010-09)
Naisho! Secret
(SC31) [P-Forest (Hozumi Takashi)] Otome no Naisho Tomoe-chan to Iroiro... (Mai-Otome)
[Morishima Kon] Naisho no Gohoushi (COMIC Tenma 2016-04) [English] [Kusojiji]
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
Aruji-sama ni Naisho no Memory Piece
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
(COMIC1☆6) [Mama ni wa Naisho (Purukogi Beach)] Tetsu Momo MANEATER (Tekken)
Naisho no Kimochi - Secret Feeling
Abby to Tobari no Yuugatou
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]
Naisho no Kagai Jugyou Nyuumonhen
Ninkatsu Nisshi Otto ni Naisho de Seishi Bank Tsukatte mita
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
Dosukebe Enkou Gal no Naisho Ecchi
[Sirotatedou] Naisho no Orusuban
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [腥海社] [Digital]
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
Futari de Naisho no Ohanashi
Kareshi ni Naisho de AV... Dechaimashita.
[Haguruma] Naisho no Imashiro-san (COMIC Anthurium 2021-05) [Chinese] [无毒漢化組] [Digital]
[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]
[Sirotateto] Naisho no Orusuban [Digital]
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
[Studio Wallaby (Deep Purple '72)] Arashi no Naisho, Aiko no Himitsu (Gad Guard)
[TLB] Otousan to Naisho ~Aru Daikazoku no Chichi to Musume Yuku Toshi Kuru Toshi Himehajime~
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
(C95) [Hitsujiniku (Lamb)] Hoka no Kanja-san ni wa Naisho da yo? (Natori Sana)
(C58) [Studio Wallaby (Fuu)] Reiko no Naisho! (Comic Party)
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS)
[TTSY] Otonari-san no Naisho na Enkou Seikatsu
Oya ni Naisho no Iedex
(C89) [EX35 (Kamaboko RED)] Minna ni Naisho no Setting! (Bakusou Kyoudai Let's & Go!!)
Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
[Shirasudon] Dosukebe Enkou Gal no Naisho Ecchi | 與色情援交辣妹的秘密性交 [Chinese] [漢化組漢化組×夢中璞影]
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-7
Naisho no Gohoubi
[Ookami Uo] Gifu ([Ryuushutsu] JSJC Naisho no Jian) [English]
Houkago no Naisho
Naisho no Kojin Shidou Shinkyuu Hen
Naisho no Kagai Jugyou {Hennojin}
[kedamono (Tori Hrami)] Naisho no Undoukai Second Season [Colorized] [Digital]
[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]