(C54) [Studio Wallaby (Kokuden Kadotake, Deep Purple '72, Leopard)] Mana no Naisho (White Album)
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
(COMIC1☆7) [Bakunyu Fullnerson (Kokuriu)] Naisho no Oshigoto (Bakemonogatari) [Chinese] [黑条汉化]
[MoonRevenge (Miyuma Subaru)] Futari no Naisho
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 3
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! | A Secret Night Battle Practice With Big Sis Tenryuu!! (Kantai Collection -KanColle-) [English]
(Puniket 11) [England Peach (Eikokukan Momoha)] Hajimete no Okaasan to Naisho (Ojamajo Doremi)
(C72) [kidnap company (Saitou Tsukasa)] Himitsu no Gashuu - Naisho no Jikan (Kodomo no Jikan)
Kanna-chan wa Hatsujouki
[Junai Meringue-don (Kijima Hyougo)] Saisho no, Naisho no. + Natsu no Kedamono (Haikyuu!!)
(C92) [Macaron*Sketch (Yukatama)] Naisho no Cappuccino (Gochuumon wa Usagi desu ka?)
(Reitaisai 13) [YuKi-IRo (Yukiusagi.)] Hatsujouki no Pierrot (Touhou Project)
Hajimete no Hatsujouki Ch. 1-3
(COMIC1☆5) [Mama ni wa Naisho (Purukogi Beach)] GIGANTIC DIVA (King of Fighers)
(SC52) [C.R's Nest (C.R, Syroh)] Yukki Hatsujouki (Dog Days)
Hatsujouki no Nyan Koishi
Nyanko Hosakan Hatsujouki
(C95) [Night FUCKERS (Mitsugi)] Nanao no Naisho
(C95) [Haruiro Fudepen (Satsuki Suzuran)] Naisho no Junbishitsu (Senki Zesshou Symphogear)
Sharo-chan wa Hatsujouki
[Watanabe Wataru] Naisho ni Shite ne | Make it secret (English)
(CR31) [Studio Wallaby (Deep Purple '72)] Su no Naisho!! -The secret of Su- (Vampiyan Kids)
Hatsujouki Tama-chan to!
Shota to Dousei Shitetara Hatsujouki ni Haicchaimashita | I Started Living with a Shota and Went Into Heat
[SAVAN] Sanae-san wa Hatsujouki (COMIC Kairakuten 2016-11) [Chinese]
[Takano Yuki] Minna Hatsujouki! [Chinese]
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-5
(C92) [Kodukuejou (Kodukue)] Fushou Akiyama Yukari no Enkou Kouza II ~Akiyama Rihatsuten Naisho no Souten Taikenkai~ (Girls und Panzer)
Atarashii Haha wa Russia-jin!? Oyaji ni Naisho de Niizuma Netori!
[Babymaker (Beco)] Naisho no Kozukuri 2
[MaSBeYaAKT (MaSBe Akyto)] Petanko Ryou-chin ~Minna ni Naisho no Otoko no Ko Idol RYO-chan no Aruhi no Ohanashi (THE IDOLM@STER)
[Pin-13 (Juusangatsu)] Futari no Naisho (Kizuato) [Digital]
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
Ureta Karada no Hatsujouki - Estral Mature Woman
[Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi Bangai Hen (Zero no Tsukaima)
[Rivajima (Yajima Index)] Isuzu no Naisho Banashi (Amagi Brilliant Park) [Digital]
Nekomimi Musume wa Hatsujouki
Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 3
Futari to Shota no Naisho Graffiti
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Chinese] [靴下漢化組] [Digital]
(C86) [Asaki Blog Branch Office (Asaki Takayuki)] Fujiyama-san no Hatsujouki (Fujiyama-san wa Shishunki)
[Takasugi Kou] Ureta Karada no Hatsujouki - Estral Mature Woman [Chinese]
[Akuten Soushin (Kokutou Nikke)] Momiji Oneechan wa Hatsujouki!! (Touhou Project) [Digital]
Hatsujouki no Rin-chan wa Setsunakute Komari-chan o Omou to Sugu XX Shichau no!
Himitsu no Keijiban H na Onna no Naisho Banashi Chapter 7
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-4
Takao-san no Naisho!
Hatsujouki
[Takase Yuu] Naisho no Jiyuuchou
Matsurinoyoru no Naisho
[Human High-Light Film (Nise Tsuruta Hirohisa)] Honey no Naisho 2 (Cutey Honey)
Naisho desu yo? Kald-san
[Rokkaku Yasosuke] Naisho Zuma (Comic Shitsurakuten 2013-02) [English] [Facedesk]
Lecia no Naisho Naisho no Chitsujo
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi) [English]
Uraaka Otome Hatsujouki
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou [English] [CGrascal]
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
(C90) [Supurabi (Haruharu Haruto)] Futari de Naisho no Ohanashi (Granblue Fantasy)
Hikki ni wa "Naisho!" no Houshi Katsudou
Mazoku Hime Fleur no Hatsujouki 4
Jitsuwa Motto Mannen Hatsujouki Na Tokutai-sei no XXXna Nichijou
Kenpeitai ni wa Naisho da yo!
(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi)
Mary ni wa Naisho desu!
Taihou-chan wa Hatsujouki
Naisho no Rehearsal
[Sigamitsuki Mizuhiki (Noshigami)] Izayoi Sakuya no Hatsujouki I (Touhou Project)
Boku to Kanojo no Hikakuteki Naisho no Nichijou Extra Chapter
Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
Naisho no Hakuchi Shuuri
Uchi no Rin-chan wa Hatsujouki.
Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期
(SC33) [Titokara 2nd Branch (Manami Tatsuya)] Naisho no Kimochi (Zero no Tsukaima)
Jiiji ni wa Naisho ni Shite ne
(COMIC1☆11) [Mabo Udon Teishoku (Yakisobapantarou, Negitoroko)] Shiki-nyan to Hatsujouki (THE IDOLM@STER CINDERELLA GIRLS)
Naisho no Yodare Sex
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
Papa ni wa Naisho no Boshi no Fureai
[Knuckle Curve] Onee-chan wa Yokkyuufuman (Junjou Hatsujouki) [Chinese] [小企鵝重嵌] [Incomplete]
Uchi no Kitsune no Hatsujouki
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
(C88) [Nachtzug (eko)] Ofuro de Naisho (Kantai Collection -KanColle-) [Chinese] [哲学狗汉化组]
Kanojo ga Hatsujouki nanoni Uwaki Shite Tewi-chan to Sex Shita
Izayoi Sakuya no Hatsujouki IIII
[ORANGE HIP (Sabu otoko)] Kawaii wa Naisho (Dragon Quest XI)
(C71) [Ohtado (Oota Takeshi)] Naisho da yo! Mahou no Club Katsudou (Sasami Magical Girls Club)
Hajimete no Hatsujouki Ch. 1
[Shunjou Shuusuke] Naisho no Jouji | Secret Affair (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
[A' (bebe)] Nonomi no Naisho! (Gunparade March)
(C94) [TAIL OUT! (Tail Out)] Momiji-san, Hatsujouki mo Jikokanri no Uchi desu yo? (Touhou Project)
Hatsujouki demo Renai Shitai!!
(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
(C91) [Kitsune (Tachikawa Negoro)] Jiiji ni wa Naisho ni Shite ne (Final Fantasy XV)
[Pija] Kanojo no Naisho (COMIC Megastore Alpha 2015-11) [Chinese] [脸肿汉化组]
Momiji-san, Hatsujouki mo Jikokanri no Uchi desu yo?
Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL | Kurashiki Sensei's Mating Season Final Ch. 1
[TTSY (Kurogane)] Shougatsu Gyouji Naisho no Oshiire Sex
(C93) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 6 - Dekichatta Hen [Chinese] [脸肿汉化组]
Hatsujouki no Sugoshikata | How to spend your time during estrus
(SC52) [C.R's Nest (C.R, Syroh)] Yukki Hatsujouki | Yukki in Heat (Dog Days) [English] [desudesu]
Uchi no Neko ga Hatsujouki de Nekasete Kurenai
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
Hatsujouki no Doremy-san in Gyaku Anal Sareru Hon
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)