(SC49) [Baka to Hasami (Tsukai You)] Naisho no Tsuboeri Himitsu no Itsuki (Heart Catch Precure!)
Kouen no Naisho na Koto
[774] Naisho no Hentai Sex
[Muchiuchi (Muchi)] Naisho no Hero | Secret Hero (Osomatsu-san) [English]
Naisho no Omajinai
Naisho no Nama Honban | 비밀의 생방송
(C94) [Kurumi Namiki (Mita Kurumi)] Atago-san to Naisho no Ecchi (Kantai Collection -KanColle-)
(C83) [Honey Bunny (Kohachi)] Naisho no Nurse-san
(C85) [CHAGASHI SAIBAN (Yamabuki Mook)] Naisho no Roommate (Infinite Stratos)
[Studio Wallaby (Deep Purple '72)] Licca no Naisho (Super Doll Licca-chan)
[SeriharaZ] Campus x Foot
Senpai ni wa Naisho ssu yo?
GIGANTIC DIVA
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? (Brave Beats) [Digital]
Naisho No Orusuban
Naisho no Ushimitsudoki
(Voice Connect) [Otogi no Kuni no Soapland (Kurokawa Otogi)] Tsuki ni wa Naisho no Hoshikuzu (VOICEROID)
Yukikaze-sama to Naisho no Asobi
(C90) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Umi no Iedex
(SC5) [Studio Wallaby (Deep Purple '72, Kura Oh)] Doris no Naisho (D4 Princess)
(C72) [Super Flat Lolinitron (Focke Wolf)] Karada no Naisho. (Asatte no Houkou.)
(C96) [PLUM (Kanna, Ayakase Chiyoko)] Anta ni Naisho no Memory Piece (Princess Connect! Re:Dive)
[Junk Center Kameyoko Bldg] Okaa-san ga Naisho de Hikikomori Musuko no Seishori no Aite o Shiteiru Hanashi.
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi
Naisho no Yodare Sex
(C68) [First Aid (Kagura Sakana)] Naisho no Satoko (Higurashi no Naku Koro ni)
[Asahina Makoto] Naisho no Wareme Lesson
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)
Tsuma no Hajimete no Otoko ~Otto ni Naisho no Saikai Koubi~
(C90) [Shinobi-Rocket (Sasamashin)] Lady to Naisho no Yoru Sanpo (Kantai Collection -KanColle-)
Kazami Yuuka to Naisho Play
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu)
Naisho no Jikan
Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
Seito to Naisho de Junai Ecchi shitetara Douryou no Kyoushi ni Barete Netorareru Bijin Josei Kyoushi no Hanashi
[Inomoto Rikako] Naisho no Onnanoko
Aruji-sama ni Naisho no Memory Piece
[Morishima Kon] Naisho no Gohoushi (COMIC Tenma 2016-04) [English] [Kusojiji]
Mama ni wa Naisho
Naisho no benkyou | Secret Study Time
[Sakura Puchilo] Naisho no Hokenshitsu (Otokonoko Heaven's Door 1) [Chinese] [瑞树汉化]
Naisho desu yo
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project) [Chinese]
(C91) [Anmitsu Ryokan (Yoru Yoru)] Naisho dakara ne (Sengoku Collection)
[Shunjou Shuusuke] Naisho no Jouji | Secret Affair (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate / hollow ataraxia)
Chika-chan ni mo Naisho no Himitsu
Naisho no Kagai Jugyou Nyuumonhen
(SUPER22) [Kiiro Bird (Pappa)] Oyajidomo ni wa Naisho dazo (Magi: The Labyrinth of Magic)
(SC31) [P-Forest (Hozumi Takashi)] Otome no Naisho Tomoe-chan to Iroiro... (Mai-Otome)
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON)
Dosukebe Enkou Gal no Naisho Ecchi
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
Mifune-san to Umi de Naisho no
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [腥海社] [Digital]
(C84) [Angel Bless (Tsukiji)] Kore wa Ze-ttai ni Naisho desu kara ne! (Touhou Project)
Tonari no hitodzuma to naisho no suwappingu kanzenhan
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
[Fuusen Club] Naisho no Ehon
Kitakami-san to Ooicchi Naisho no Naisho
Tomodachi no Otou-san to Naisho de Kozukuri Shichaimashita
[Henreader] Naisho no Date Plan (COMIC X-EROS #37) [Chinese] [想抱雷妈汉化组]
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!) [Chinese] [灰羽社汉化组]
Yuka-chan no Naisho
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
Fushou Akiyama Yukari no Enkou Kouza II ~Akiyama Rihatsuten Naisho no Souten Taikenkai~
[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
Naisho no Seitokai Shitsu
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara)
Naisho no Ichiban-Kuji
[Mita Kurumi] Naisho no Photograph (COMIC ANGEL Club 2010-09)
(C88) [Decoppachi (Hidiri Rei)] Naisho no IV Satsuei-kai (THE IDOLM@STER MILLION LIVE!)
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
[Koneko Gumi, Shounen Marionette (Poron, Kuonji Shutaka, Namao)] Naisho no Otogibanashi [English] {Shotachan}
Motto Shitai Joshidaisei ga Kare ni Naisho no Kankei ni Hamacchau Ohanashi
Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
[Umino Luka] Naisho no Zangyou