Naisho no Hajimete Kouhen
[Kawamura Tsukasa] Naisho ni Shitai Juu no Monogatari [Digital]
(C94) [Critical Hit! (Zetz)] Mutsuki no Naisho (Azur Lane)
(C90) [Kaminari-neko (Eitarou)] Miho to Anzu no Naisho no Himegoto (Girls und Panzer) [Chinese] [一匙咖啡豆汉化组]
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari-
[Hanpera] Katei Kyoushi no Kagai Jugyou | The Home Tutor's Extracurricular Lesson (Ane Chichi) [English] [ultimaflaral]
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan - Secret of the Lovely Eyepatch)
Youkoso Paisen ~AV Joyuu no Kagai Jugyou~ | Welcome graduate ~AV Actress's Extracurricular lesson~
[Haruiro Fudepen (Satsuki Suzuran)] Nanto Naisho no (Senki Zesshou Symphogear) [Digital]
Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 2
Hanasaku Mori no Naisho no Hanashi.
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English] [magiclamp]
Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
[Mizuyuki] Futari no Naisho no ××× (COMIC HOTMILK 2016-06) [Chinese] [無邪気漢化組]
Dare ni mo Naisho no Otona no Himitsu | Tout le monde a ses petits secrets
(C81) [Sukapon-Do (Kagawa Tomonobu, Yano Takumi)] Zerogumi Kagai Jugyou (Final Fantasy Type-0)
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1 [Digital]
Papa ni wa Naisho no Boshi no Fureai
Yuka-chan no Naisho
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
(COMIC1☆4) [Human High-Light Film (Shiosaba!)] Naisho no Makinami (Rebuild of Evangelion) [English]
Naisho no Ushimitsudoki
Jubei-chan no Naisho
[kedamono (Tori Hrami)] Naisho no Undoukai [English] {Shotachan} [Digital]
(SC5) [Studio Wallaby (Deep Purple '72, Kura Oh)] Doris no Naisho (D4 Princess)
[Mama ni wa Naisho (Plasma Beach)] Luscious Beef Cake PLATINUM (Tekken)
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- [English]
(C83) [Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou
Tsuma no Hajimete no Otoko ~Otto ni Naisho no Saikai Koubi~
Naisho no IV Satsuei-kai
[Konohana] Naisho no Jikan | Secret Times (COMIC Megastore 2009-04) [English] [Hentai from Hell]
Kare ni wa Naisho
(C78) [Titokara 2nd Branch (Manami Tatsuya)] Ookami-san to Naisho no Doku Ringo (Ookami-san to Shichinin no Nakama-tachi)
(C82) [Natsu no Umi (Natsumi Akira)] Mama ni wa Naisho no XXX (Smile PreCure!)
Lecia no Naisho Naisho no Chitsujo
(C73) [Omoshiro Burger (Tokuda Shinnosuke)] Watashi-tachi to Papa no Kagai Jugyou Album
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara) [English] {/u/ scanlations}
(C88) [brilliant thunder (Yumeno Tanuki, Fue)] Oya ni Naisho no Iedex
Naisho no Jikan
Papa ni wa Naisho yo?
(Reitaisai 15) [Green tea Lab (midarin)] Aya-chan no Naisho no Micchaku Shuzai (Touhou Project)
Itoko no Futanari Onee-chan to Naisho no Milk
Naisho no Nail
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
Jiiji ni wa Naisho ni Shite ne
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica) [English]
Tsuki ni wa Naisho no Hoshikuzu
[Fireball Products] Seki Sensei No Kagai Jisshuu Ver1.5
Nanao no Naisho | 菜菜绪的小小秘密
Abby to Naisho no Hamedori | Abby and the Secret Homemade Sex Tape
(SC2017 Summer) [mocomocodo (Nukunuku Batten)] Glenn Sensei no Rokudenashi Kagai Jugyou (Rokudenashi Majutsu Koushi to Akashic Records)
(C72) [C@T Slash (Kahama Youko)] Naisho no Jikan (Kodomo no Jikan)
(C89) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Toshikoshi-hen [Chinese] [肥宅除夕依舊只能看著衛生紙上的殘渣翻譯]
[Fummy] Naisho no Relax | Secret Way to Relax (COMIC LO 2018-05) [English] {Mistvern} [Digital]
Naisho no Love Situation
[Katsurai Yoshiaki] Kyou-sei Kagai Shidou | After School Obedience Coaching (COMIC Megastore 2010-02) [English] {doujin-moe.us}
Oya ni Naisho no Iedex
(C54) [Tange Kentou Club (Yokota Mamoru)] Clone Doll Kagai Jugyou / My Favorite Full Colour Gengashuu
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
Off no Kongou to Naisho no Ohanashi
Otonari-san no Naisho na Enkou Seikatsu
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
[Aimaitei (Aimaitei Umami)] Futanari Osananajimi to Ore to Hajimete no Gyaku Anal Kagai Jugyou [Digital]
[Keno Yantarou] Tanoshii Kagai Jugyou - Happy Extracurricular Lesson [Chinese]
(C92) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 5 - Futsukame Hen
[Takase Yuu] Naisho no Jiyuuchou
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
(SUPER23) [Strawberry (Ichigo)] Tousan ni wa Naisho ni Shitete (Shingeki no Kyojin)
(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]
PURE NEXT GENERATION Vol. 32 Haruka-san to Naisho no Ofuro.
Chika-chan ni mo Naisho no Himitsu
Naisho! Secret
Kareshi ni Naisho de 5 ...Dekichaimashita. | Keep This A Secret From My Boyfriend 5 - ... I Actually Did It.
Kazami Yuuka to Naisho Play
[Itou Nanami] Naisho no Houkago (COMIC Potpourri Club 2014-07) [Chinese] [黑条汉化]
Naisho No Orusuban
[Keno Yantarou] Hageshii Kagai Jugyou
Tomodachi no Otou-san to Naisho de Kozukuri Shichaimashita
(COMIC1☆8) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke San Shimai Monogatari- | It's a Secret! [English] [DKN117 & laguiole]
Naisho no Osananajimi | 秘密的两小无猜
Kouu-sama ni wa Naisho | 不能告訴項羽大人
(C92) [Retasuya (Retasu)] Kaiboukan to Naisho no Asobi (Kantai Collection -KanColle-)
Tenshi no Kagai Jugyou Ch. 4
JK Yome Sakura no Kagai Jugyou
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san (Touhou Project) [Digital]
(COMIC1☆9) [Shiratamaco (Shiratama)] Naisho no Passion - The Secret Passion (PriPara)
Licca no Naisho
Onna Kishi no Kagai Katsudou
Minato-sensei no Kagai Jugyou
(C95) [Dennou Chocolate (AwA)] Otona ni Naisho no Warui Koto