Mifune-san to Naisho no Sailor Fuku
(CR28) [Magudara Kaihou Doumei (Tsukuyomi Sajin)] Minagiru Power (Air)
Naisho no Sakuya-san
[Mitarai Yuuki] Ikanishite Haha wa Onna wo Kaihou Shitaka Ch. 1-4 [English] {N04h}
[Usi] Otto ni Naisho de Ajimi Shite 1
Kareshi ni Naisho de 4 Aijin... Nacchaimashita. | Keep This A Secret From My Boyfriend 4 - I Became... A Mistress.
Anoko nya Naisho
Otona ni Naisho no Warui Koto
Kareshi ni Naisho de...
Naisho no Kojin Shidou Shinkyuu Hen
Oya ni Naisho no Iedex 5 - Futsukame Hen
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
[Rakko] Papa ni wa Naisho! | Keep It A Secret From Daddy! (Murikuri) [English] [desudesu]
Oya ni Naisho no Umi no Iedex
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [星野願漢化WEI嵌字]
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-
(C92) [Retasuya (Retasu)] Kaiboukan to Naisho no Asobi (Kantai Collection -KanColle-)
[Ookami Uo] Yuutousei | The Honor Student ([Ryuushutsu] JSJC Naisho no Jian) [English]
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
(C79) [Human High-light Film (Shiosaba)] Naisho no Ayanami (Neon Genesis Evangelion) [English] [CGrascal]
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
(C94) [Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou (Fate/Grand Order) [Chinese] [脸肿汉化组]
Oya ni Naisho de Oppai shite kureru Katei Kyoushi no Onee-san
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [English] [AlphaYang]
Futari de Naisho no Ohanashi
[Tukimi Daifuku] Mama ni wa Naisho
Jiai Fukaki Shounen to Jiai no Kohitsuji to Rakuen heno Kaihou
(C72) [C@T Slash (Kahama Youko)] Naisho no Jikan (Kodomo no Jikan)
Naisho no Kojin Shidou 2
(C93) [Garimpeiro (Mame Denkyuu)] Seijo Martha no Zenryoku Kaihou!? (Fate/Grand Order)
(C78) [Titokara 2nd Branch (Manami Tatsuya)] Ookami-san to Naisho no Doku Ringo (Ookami-san to Shichinin no Nakama-tachi)
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi) [English]
Hanasaku Mori no Naisho no Hanashi.
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san | 不为人知的咲夜 (Touhou Project) [Chinese] [sismvg英渣汉化] [Digital]
Erika no Naisho.
[Torajima-shi Kouhouka (Torajimaneko)] Builder to Fighter no Naisho Banashi (Gundam Build Fighters) [English] {Shotachan} [Digital]
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
Seiyoku Kaihou Kamen Butoukai Zero
[MoonRevenge (Miyuma Subaru)] Futari no Naisho
(C87) [GALAXIST (BLADE)] Rakuen Kaihou (Rakuen Tsuihou -Expelled from Paradise-) [Chinese] [脸肿汉化组]
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
Aniki to Anego ~Chinjufu ni Saimin Ero Esute ga Kaihou Saremashita~
IOWA to Saimin de Ichaicha Suru Hon | Fooling around with a Hypnotized IOWA
Mary ni wa Naisho desu!
Senpai ni wa Naisho ssu yo?
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
Naisho no Kangoane | 偷偷來的護理師姊姊
[Nadeneko Ponia] Fukusei Kanojo ~Ore dake ni Kaikyaku Kaihou~
Yukikaze-sama to Naisho no Asobi
[Studio Wallaby] Dejiko no Naisho-nyo (Digi Charat)
[Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi Bangai Hen (Zero no Tsukaima)
Naisho nya?
(C72) [Super Flat Lolinitron (Focke Wolf)] Karada no Naisho. (Asatte no Houkou.)
[Shunjou Shuusuke] Naisho no Jouji | Secret Affair (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
[Leafy] Mama ni Naisho no Hatsujouki [Digital]
Ikenai Koto wa Naisho de Suru Mono
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex
[Itou Nanami] Naisho no Houkago (COMIC Potpourri Club 2014-07) [Chinese] [黑条汉化]
[Sheepfold (Tachibana Yuu)] Toaru Kikuushi-tachi no Jougen Kaihou (Granblue Fantasy) [English] {doujins.com} [Digital]
[AKIRA] Eve no Naisho Banashi 1
[SeriharaZ] Campus x Foot
(C71) [Kurage no Candume (Yoshino)] Naisho! It's a Night Show! (Simoun)
[Juggernaut (JYUN)] Ikasete! Hijiri Byakuren ~Bonnou Kaihou~ (Touhou Project) [Digital]
Naisho no Love Mariage | 비밀의 결혼
(C88) [GALAXIST (BLADE)] Rakuen Kaihou II (Rakuen Tsuihou -Expelled from Paradise-) [Chinese] [靴下汉化组]
Naisho no Hokenshitsu
[Nedaore (Ayane)] Onnanoko Naisho Space (Puella Magi Madoka Magica) [Digital]
(CiNDERELLA ☆ STAGE 6 STEP) [Rokata Aruki (Akino Komichi)] Naisho no Ohanashi o (THE IDOLM@STER CINDERELLA GIRLS)
(SC33) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi (Zero no Tsukaima)
Saimin Art Online
(C85) [Magudara Kaihou Doumei (Tsukuyomi Sajin)] Kaga-san Gouchin!! (Kantai Collection)
Haruhiko Mousou Note
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
(C88) [Fetism (Tanaka Ginji)] Takao-san no Naisho! (Kantai Collection -KanColle-)
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS)
Kobato no Naisho
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae [Chinese] [想吸大尾巴个人汉化]
(C95) [Donut Ike (Hasunoue Umezu)] Oppai Kaihou Maat (Destiny Child) [Chinese]
(C87) [Sheepfold (Tachibana Yuu)] Rakuen Kaihou (Rakuen Tsuihou -Expelled from Paradise-) [Chinese] [无毒汉化组]
Kaihou no Tekunishiku
(C85) [Mama ni wa Naisho (Plasma Beach)] Hoshokukei Joshi (GOD EATER)
(C62) [SimaSima System, Nagisawaya (Nagisawa You)] Sakura no Naisho Kawara Ban Sono 4 (Cardcaptor Sakura)
(C96) [Manmaru Hoppe (Yawaraka Midori)] Yuka-chan no Naisho | Yuka-chan's Secret [English] {Mistvern}
Onii-chan to Naisho no Oshiri Lesson
Chika-chan ni mo Naisho no Himitsu
(C82) [MINT BLUE (MOYURU/n)] ORE×YOME 06 - Naisho no Azu Cat (K-ON!)
Otonari-san no Naisho na Enkou Seikatsu
Saimin Art Online | 최면 아트 온라인
(C91) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
(COMIC1☆5) [Mama ni wa Naisho (Purukogi Beach)] GIGANTIC DIVA (King of Fighers)
[Musashimaru] Touzen, Imouto ni wa Naisho de
Natori Sana -Naisho no Douga Satsuei-
[Babymaker (Beco)] Naisho no Kozukuri 2
Hikki ni wa "Naisho!" no Houshi Katsudou
(C87) [Galaxist (BLADE)] Rakuen Kaihou (Rakuen Tsuihou -Expelled from Paradise-)
(COMIC1☆7) [CARAMEL CRUNCH! (Rikatan)] Naisho no Houkago Idol (Love Live!)
Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 2
[Dynamite moca] Naisho no Ecchi Gokko Ch. 1-2 [Digital]
[Yanagawa Rio] Naisho no Wonderland | Wonderland of Secrets (GoGo! Girls) [English] {5 a.m.}
Houkago no Naisho
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara) [English] {/u/ scanlations}
Ore-tachi Futari no Naisho-goto!
(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
Jiiji ni wa Naisho ni Shite ne
[TTSY (Kurogane)] Shougatsu Gyouji Naisho no Oshiire Sex
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?)
Boku to Onii-chan no Naisho no Orusuban
Okaa-san no Naisho
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS) [English]
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
Kanojo ni Naisho de
Naisho no Ouma-san Gokko | Secret Horse Play {doujins.com}
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
[N2jirai (Nimu)] Kaihou!! Jaou Shingan!!! (Chuunibyou demo Koi ga Shitai!) [Digital]
Boku no Tomodachi wa Saimin ni Kakari Yasui | My Friends Are Easy to Hypnotize
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 3
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [腥海社] [Digital]
Toaru Kikuushi-tachi no Jougen Kaihou
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness) [English] [biribiri]
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
Kare ni wa Naisho ~Sex Namahaishin~
[Matsumoto Katsuya] Naisho no Mio Sensei | The secret Mio sensei (COMIC Masyo 2017-02) [English] [desudesu] [Digital]
(C90) [Supurabi (Haruharu Haruto)] Futari de Naisho no Ohanashi (Granblue Fantasy)
Maya-chan to Naisho
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
(C57) [Magudara Kaihou Doumei (Sajin Arashi)] My Mai Mai (Kanon)
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
[Dorachefu] Naisho no Zupohame Shinkon Life | The Secret Bold-Fuck in A Newly-wed Life (ANGEL Club 2018-11) [English] [seindryu] [Digital]