COMIC LO 2021-07
[Kitsuneya (Leafy)] Chibikko Eirei to Naisho no Okusuri Techou - Young lady hero secret medicine notebook (Fate/Grand Order) [Digital]
[Nanami Shizuka] Naoko-san no Naisho
[Ponsuke] Sensei to Watashi no Hon | Our Book (COMIC LO 2022-04) [English] [Nishimaru] [Digital]
Himitsu no Keijiban H na Onna no Naisho Banashi Chapter 7
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS) [English]
Naisho no Futarikiri | 둘이서만 비밀스럽게
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
COMIC Koh 2016-07
(Sabaki no Niwa 21) [Ko9konnan (mov)] Naisho no Shimatsusho | 秘密的检讨书 (Gyakuten Saiban) [Chinese] [黑夜汉化组]
COMIC LO 2019-04 [Digital]
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project) [Chinese]
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san (Touhou Project) [Digital]
[Eroe] Boku Girl 55 Wa no if Mousou Manga (Boku Girl) [Chinese] [刷牙子漢化]
Erika no Naisho.
(C91) [Utaneya (Shion)] Naisho no Djeeta Onee-chan (Granblue Fantasy)
COMIC LO 2019-04 [Digital]
(SC36) [Lezmoe! (Oyu no Kaori)] Zettai Naisho! Himitsu no Otomari nano (Mahou Shoujo Lyrical Nanoha StrikerS)
Naisho no Imouto Ecchi
Chibikko H
(C90) [Kaminari-neko (Eitarou)] Miho to Anzu no Naisho no Himegoto (Girls und Panzer)
[TLB] Otousan to Naisho ~Aru Daikazoku no Chichi to Musume Yuku Toshi Kuru Toshi Himehajime~
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (Pripara)
[Tamagoro] Boku to Oneesan no Naisho (COMIC Penguin Club Sanzokuban 2014-07) [English] [vaasi]
[kedamono (Tori Hrami)] Naisho no Undoukai | 运动日的秘密 [Chinese] [本子社汉化] [Colorized] [Digital]
Jiai Fukaki Shounen to Jiai no Kohitsuji to Rakuen E no Kaihou
Junior Ecchi Soudanshitsu
COMIC LO 2019-04 [Digital]
(C58) [Studio Wallaby (Deep Purple '72, Kaneko Toshiaki, Kura Oh)] Oukoku No Naisho (Puppet Princess of Marl's Kingdom)
[Mitarai Yuuki] Ikanishite Haha wa Onna o Kaihou Shitaka Episode 0. [English][Amoskandy] [Digital]
(C67) [Anekono-Techo (Koume Keito)] Marimite no Naisho (Maria-sama ga Miteru)
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Colorized] [Digital]
Naisho no Ouma-san Gokko | Secret Horse Play {doujins.com}
(SC24) [Naisho No Usagi Koya (Usakun)] Gohoubi Suimingu
(C88) [Shoshi Magazine Hitori (Ponsuke, Takeuchi Reona)] Voodoo Dummy 2015
Ikanishite Haha wa Onna wo Kaihou Shitaka Ch. 1
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [Digital]
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-8
Otto ni Naisho de Ajimi Shite 2
(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON)
Naisho no Omajinai
Gakuen Kounin Tanetsuke Gasshuku
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness) [English] [biribiri]
Ikanishite Haha wa Onna o Kaihou Shitaka Ch. 13
(Rinshan Kaihou! 8) [Kamogawaya (Kamogawa Tanuki)] Maho mo ○△× Dekiru Kigashimasu (Saki)
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke)
Naisho no Hakuchi Shuuri
(SUPER24) [Rolling box (Kanaru Tabito, Shiina Akira)] Kyosuke ni wa Naisho (THE IDOLM@STER SideM)
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
[Point Takashi (Milk Koubou)] Kizu Darake no Milky Angel
[Pija] Kanojo no Naisho (COMIC Megastore Alpha 2015-11) [Chinese] [脸肿汉化组]
(C95) [Haruiro Fudepen (Satsuki Suzuran)] Naisho no Junbishitsu (Senki Zesshou Symphogear)
Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
[Junk Center Kameyoko Bldg] Okaa-san ga Naisho de Hikikomori Musuko no Seishori no Aite o Shiteiru Hanashi.
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (Pripara) [Chinese] [CE家族社]
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [Digital]
Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [English]
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- | It's a Secret! [English] [DKN117 & laguiole]
Oyako Swapping
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya (COMIC HOTMILK 2018-07) [Chinese] [無邪気漢化組] [Digital]
(C93) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 6 - Dekichatta Hen
(Crazy Lyric Battle) [Honey Rice (Neon Ui)] Boku to Onii-chan no Naisho no Orusuban (Hypnosis mic)
[ShiraishiNsuke] Naisho no Ouma-san Gokko | Secret Horse Play (COMIC BAVEL 2017-01) [English] {doujins.com} [Digital]
COMIC LO 2013-07 Vol. 112
COMIC LO 2018-12 [Digital]
(C89) [Shinba Oolong Cha (Various)] Shougakusei 15
Oppai Kaihou Maat
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
COMIC LO 2017-08 [Digital]
[Dorachefu] Naisho no Zupohame Shinkon Life (ANGEL Club 2018-11) [Digital]
Comic LO 2013-10 Vol. 115
(SC34) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi 2 (Zero no Tsukaima)
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi
(C72) [MURDERHOUSE (Workaholic)] Boku to Mama no Naisho (Keroro Gunsou)
[Ponsuke] Yuki no Sei Vanilla Aji♥ (COMIC LO 2021-07) [Chinese] [腹黑王子个人汉化] [Digital]
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
(ComicLive in Nagoya) [Konekopan (rie)] Naisho no Mashimaro Heart! (Ensemble Stars!)
COMIC KOH Vol. 7
COMIC Koh Vol. 1
(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Naisho no Nail (Aikatsu!) [2nd Edition]
(C90) [Mama ni wa Naisho (Plasma Beach)] Kinniku Bokujou (THE IDOLM@STER)
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
Ririn-san no Naisho no Kao to Daiji na Oheya
Saimin Art Online
[Ponsuke] Amai Shiru | Sweet Juice (COMIC LO 2016-05) [English] {5 a.m.}
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion)
Loli to Asobo♪
Jubei-chan no Naisho
[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
(C88) [GALAXIST (BLADE)] Rakuen Kaihou II (Rakuen Tsuihou -Expelled from Paradise-)
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI) [Chinese] [最愛大屁屁x漢化組漢化組]
[Inomoto Rikako] Naisho no Onnanoko
[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]
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
(C55) [Studio Wallaby (Deep Purple '72, Takana Yu-ki, Niiruma Kenji)] Iincho no Naisho (To Heart)
COMIC LO 2016-05
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke) [English]
(C93) [Garimpeiro (Mame Denkyuu)] Seijo Martha no Zenryoku Kaihou!? | Saint Martha's Full Support!? (Fate/Grand Order) [English] [Thot Patrol]
[Magudara Kaihou Doumei (Tsukuyomi Sazin)] SuzuKuma to Saimin de Ichaicha Suru Hon (Kantai Collection -KanColle-) [Digital]
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho (Cutey Honey)
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-9
[Torajima-shi Kouhouka (Torajimaneko)] Builder to Fighter no Naisho Banashi (Gundam Build Fighters) [Digital]
(C93) [Garimpeiro (Mame Denkyuu)] Seijo Martha no Zenryoku Kaihou!? (Fate/Grand Order)
[Ponsuke] Oshama na Yousei [Digital]
[Mitarai Yuuki] Ikanishite Haha wa Onna o Kaihou Shitaka Ch. 1-14
COMIC Reboot Vol. 01 [Digital]
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
Seijo Martha no Zenryoku Kaihou!? | Saint Martha's Full Support!?
[Katuraya (Takemaru)] Naisho no Ichiban Kuji (Mahou Shoujo Lyrical Nanoha)
Naisho no Ouma-san Gokko | Secret Horse Play
(C82) [THE FLYERS (Naruse Mamoru)] Ako-chan to Naisho no XX + plus (Saki Achiga-hen)
[Anthology] H na Kanojo to Naisho no Shutter Chance [Digital]
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
[Fuusen Club] Okaa-san wa DeliHeal-jou ~Musuko no Doukyuusei to Naisho de Tanetsuke SEX~ [Digital]
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica) [English]
[Agata] Naisho no Kakurenbo | Hide And Seek With Friend's Mom (COMIC Megamilk Vol. 18) [English] [vaasi] [Decensored]
[Ponsuke] Shiawase no Koppepan | Bun Of Happiness (COMIC LO 2018-11) [English] [youjonooshikko]
(C88) [PINK CHUCHU (Mikeou)] Naisho no Shintai Sokutei (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
COMIC LO 2014-11 Vol. 128
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 1 (English)
Haruhiko Mousou Note
Onee-san ni wa Naisho ne
[Takase Yuu] Naisho no Jiyuuchou
[Shouji Ayumu] Naisho desu yo | It's a secret! (Chiccha-na Onaka) [English] [Rin]
(COMIC1☆8) [Nipopo Crisis (Genka Ichien)] Tanoshii Koto o Naisho ni Shiyou. Kanzenban (Zettai Muteki Raijin-Oh)
[Nadeneko Ponia] Fukusei Kanojo ~Ore dake ni Kaikyaku Kaihou~
[Ponsuke] Nanika Youkai? | Was that a ghost? (COMIC LO 2014-05) [English] {5 a.m.}
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto [Chinese] [嗶咔嗶咔漢化組]
[Ponsuke] Koinu no Waltz | Puppy Waltz (COMIC LO 2015-04) [English] {5 a.m.}
(C89) [Tatsumaki Koutei (Takei Tsukasa)] Lecia no Naisho Naisho no Chitsujo (Granblue Fantasy) [English] {Hennojin}
(CCFukuoka33) [96。 (Kurokuma)] Naisho no Soudan (Free!)
[Pop'n Nyannya (Ponsuke)] Digi Hon (Digimon Tamers)
[Higashino Mikan] Kareshi ni Naisho de ❤ | Behind My Boyfriend's Back ❤ (COMIC Koh Vol. 3) [English] [sureok1]
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
(C92) [Magudara Kaihou Doumei (Tsukuyomi Sazin)] Nagato-san to Saimin de Ichaicha Suru Hon (Kantai Collection -KanColle-)
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- | It's a Secret! 2 [English]
(Shota Scratch 27) [Shoshi Magazine Hitori (Ponsuke)] Kinjo no Shounen o Otokonoko Keikaku | Plan to turn the neighborhood boy into a trap (GMF) [English] {5 a.m.}
Jouzu ni Shinka ni Nareru kana
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)