(SC26) [PLUM (Kisaragi Kanna)] Naisho! (Sukatto Golf Pangya)
(CSP5) [popular plus (Plus)] Boku to Hideyoshi to Naisho no Yorimichi (Baka to Test to Shoukanjuu)
Hatsujouki na no desu
(C88) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki (Fujiyama-san wa Shishunki) | Kurashiki-sensei is in heat (a play on Shishunki) [English]
[Sakamata Nerimono] Naisho no Ofuro Ya San | Secret Bathhouse-san (Digital Puni Pedo! Vol. 07) [English] [ninjastik]
(C86) [Asaki Blog Branch Office (Asaki Takayuki)] Fujiyama-san no Hatsujouki | Fujiyama-san's Mating Season (Fujiyama-san wa Shishunki) [English] [YQII]
Naisho no hanashi
[NIGHT FUCKERS (Mitsugi)] Nanao no Naisho [Digital]
(Puniket 11) [England Peach (Eikokukan Momoha)] Hajimete no Okaasan to Naisho (Ojamajo Doremi)
[Takasugi Kou] Ureta Karada no Hatsujouki - Estral Mature Woman [English] [desudesu, Lazarus H]
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion) [English] [CGrascal]
You-chan to Elune no Hatsujouki
(brilliant days 3) [amuamu (Chimu)] Bokura no Naisho no (Ensemble Stars!)
[Leafy] Mama ni Naisho no Hatsujouki
(C93) [WICKEDHEART (ZOOTAN)] Usagi Ichika no Whip Hatsujouki (Kirakira PreCure a la Mode)
[Akuten Soushin (Kokutou Nikke)] Momiji Onee-chan wa Hatsujouki!! (Touhou Project) [Chinese] [手机个人汉化] [Digital]
Touhou Wan-Nyan Hatsujouki!!
Naisho no Futarikiri | 둘이서만 비밀스럽게
Senpai ni wa Naisho ssu yo?
[Salad] Hatsujouki (COMIC LO 2016-02)
Naisho no Imouto Ecchi
[A' (bebe)] Nonomi no Naisho! (Gunparade March)
[Morishima Kon] Naisho no Gohoushi (COMIC Tenma 2016-04) [English] [Kusojiji]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [Decensored]
Sanae-san wa Hatsujouki
(C73) [Hinaprin (Ikuta Takanon)] Ookami no Hatsujouki (Spice and Wolf)
(C93) [J.D.World (Fumi Miyabi)] Onee-san ni wa Naisho ne (Kantai Collection -KanColle-) [English]
(C89) [EX35 (Kamaboko RED)] Minna ni naisho no setting! (Bakusou Kyoudai Let's and Go!!)
(CINDERELLA FESTIV@L) [Aozora Shoujo (Shirane Taito)] Naisho no Gao Gao Ecchi (THE IDOLM@STER CINDERELLA GIRLS)
[Yuzuponz (Kikira)] Inumimi Seikatsu ~Hatsujouki no Itoko Namahame Tokubetsu Jugyou~ [English] {JUSTICE} [Digital]
(C94) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to Producer ga Otsukiai Shihajimete Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
Nidalee wa Hatsujouki!
(C90) [5th Library (Valiant)] Hime-sama Usagi no Hatsujouki (BLAZBLUE)
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness) [English] [biribiri]
(SC2017 Summer) [CHOCOLATE CUBE (Miwa Futaba)] Kanna-chan wa Hatsujouki (Kobayashi-san-chi no Maid Dragon) [Chinese] [CE家族社]
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai)
Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- {Hikikomori Honyaku}
[Horihone Saizou] Naisho-Yoo
[Phantom] Otonari-san wa Hatsujouki ~ Momarete Suwarete Hamerarete | 鄰居正值發情期~揉弄她、吸吮她、盡情抽插吧 Ch. 1-7 [Chinese]
[Hasemi_box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti) [Digital]
(CT20) [C.R's Nest (C.R)] Yukkii Hatsujouki Dash PLUS (DOG DAYS)
[Zanka] Hatsujouki na Kitsunemimi Maid-san to Ojou-sama
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? | Don't Tell Dad OK! (Brave Beats) [English] [Digital]
[Oie Kaeru] Muramuratto Hatsujouki (Gekkan Web Otoko no Ko-llection! S Vol. 60) [Chinese] [瑞树汉化组] [Digital]
Ore no Imouto wa Tsuki 1 de Hatsujouki ga Kuru.
[Phantom] Otonari-san wa Hatsujouki ~ Momarete Suwarete Hamerarete | 鄰居正值發情期~揉弄她、吸吮她、盡情抽插吧 Ch. 1-10 [Chinese]
[Low] Hajimete no Hatsujouki Ch. 1-3 [English] [MrBubbles]
Uchuu Neko ni Hatsujouki wa Aru no ka?
[Studio Claim] Havayama niwa Naisho... (Urusei Yatsura)
(Reitaisai 14) [Rocket Chousashitsu (Koza)] Kazami Yuuka to Naisho Play (Touhou Project) [English] [desudesu]
Mama ni wa Naisho no XXX
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Conclusion (English)
Hikki ni wa "Naisho!" no Houshi Katsudou
(C93) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL | Kurashiki Sensei's Mating Season Final (Fujiyama-san wa Shishunki) [English] {Doujins.com}
[Nedaore (Ayane)] Onnanoko Naisho Space (Puella Magi Madoka Magica) [Digital]
[Kuronisiki (Takaharu)] Onee-sama-tachi niwa Naisho de Senkan ni Narimasu (Kantai Collection -KanColle-) [Chinese] [koolo個人漢化] [Digital]
Rem Nyan wa Hatsujouki
Nikoniko Nyannyan ~Leo-kun ga Hatsujouki ni Natte Taihen na Koto ni~
[XX-ya tte koto wa Naisho da. (Naisho da.)] Doremi-sama Doremi-sama Doremi-sama (Ojamajo Doremi)
Uchi no Rin-chan wa Hatsujouki.
(C92) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 5 - Futsukame Hen
[7days (Ineminori)] Ichikara Jihen "Neko ni Natta Ichimatsu ga Hatsujouki nandakedo" (Osomatsu-san)
[Takase Yuu] Naisho no Jiyuuchou
[MIRAGE CAT (Suika Soda)] Naisho Banashi Vol. 1-2 (Gintama) [Digital]
(C73) [Hina Purin (Ikuta Takanon, Takei Touka)] Ookami no Hatsujouki | Wolf and the Rutting Season (Spice & Wolf)
Inumimi Oujo no Wafu Wafu Hatsujouki 2
[Dhibi Shoten (Dhibi)] Hazuki-sensei no Hatsujouki 2 Youko-sensei no Hatsujouki Senyou Onanie heya Ni hiki zuri Komarete shimatta Hanashi | 葉月醫生的發情期 2 被拉進了妖狐醫生的發情期專用自慰屋 [Chinese] [沒有漢化]
[Monogusa Wolf] Naisho no Telephone Date
[Majo Saiban (Mion_orz)] Naisho no Omajinai [Digital]
Hajimete no Hatsujouki Ch. 1-4
Remilia Scarlet no Hatsujouki /搾
(COMIC1☆6) [moco chouchou (Hisama Kumako)] Boku no Pet ga Hatsujouki de Chi*po wo Hanashitekurenai (Original)
Ikenai Hatsujouki Ojou-sama!!
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
[Knuckle Curve] Onee-chan wa Yokkyuufuman (Junjou Hatsujouki) [Chinese] [小企鵝重嵌] [Incomplete]
Taihou-chan wa Hatsujouki
[Tawara Hiryuu] Kanojo ni Naisho de (COMIC Tenma 2015-03) [Chinese] [黑条汉化]
(C95) [Solar Milk Soft (Solar Milk)] Pokapoka Ro-chan Hatsujouki (Kantai Collection -KanColle-)
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex | 瞞著父母的離家SEX [Chinese] [亂交派對套子裡的殘渣翻譯] [Incomplete]
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(COMIC1☆6) [Mama ni wa Naisho (Purukogi Beach)] Tetsu Momo MANEATER (Tekken)
Oya ni Naisho no Umi no Iedex
Elune dakara Hatsujouki
[Urutsu] Teach Tea Songs (Shiroyuri Girls Love Paradise) [English] [yuriproject]
(Reitaisai 14) [Natsuji (Geji)] Hatsujouki no Doremy-san in Gyaku Anal Sareru Hon (Touhou Project)
(C85) [Yokazetei (Narukami Ginryu)] Hatsujouki no Rin-chan wa Setsunakute Komari-chan o Omou to Sugu XX Shichau no! (Little Busters!)
(C71) [Vagina Dentata (Hirota Masatane)] Hatsujouki (The Melancholy of Haruhi Suzumiya) [Chinese] 【黑条汉化】
Let's Go Hatsujouki
(C92) [Retasuya (Retasu)] Kaiboukan to Naisho no Asobi (Kantai Collection -KanColle-)
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu)
[Vitamin Gohan (Hasegawa Keita)] Naisho no Sakuya-san (Touhou Project) [Digital]
(C93) [milkberry (Kisaragi Miyu)] Houkago no Naisho 2 [Chinese] [残碑日月个人汉化]
(C85) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Naisho no Oshigoto- | -Secret Work- (Kuttsukiboshi) [English] {Hikikomori Honyaku}
Saotome Hatsujouki
[Sakeitiba (Samon Shiu)] Hatsujouki de IQ3 no Juujin ni Osoware Ecchi [English] [mysterymeat3]
Rem-rin to Naisho no Oshigoto
Hatsujouki no Doremy-san in Gyaku Anal Sareru Hon
Jubei-chan no Naisho
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! (Touhou Project)
(C78) [Human High-light Film (Shiosaba!)] Naisho no Asuka (Neon Genesis Evangelion)
[Babymaker (Beco)] Naisho no Kozukuri
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
Hajimete no Hatsujouki Ch. 1-3
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [Digital]
[Egawa Hiromi] Naisho ni Shitene - Please keep secret
[Kinako Gyuu Nyuu (Tomoharu)] Naisho ni Shiyou ne (Summer Wars) [Raw]
Hatsujouki
Oni-Musume-chan wa Hatsujouki!
(ZERO no Hakobune) [Shoushin Touzoku (Nyokota)] Hatsujouki. (Aldnoah.Zero)
Papa ni wa Naisho yo?
Rem to Naisho na Koto Shimasen ka?
(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
Naisho Banashi Vol. 1-2
[Retiisha no o Hirune (Chifuyu)] Mazoku Hime Fleur no Hatsujouki [Digital]
(Shuuki Reitaisai 6) [Kanmi Cat (Miyase Nukko)] Hatsujouki wa Love Hotel nite (Touhou Project)
[Shunjou Shuusuke] Iinchou wa Hatsujouki (Osaekirenai kono Kimochi) [English] {doujin-moe.us}
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san
Hatsujouki no Raphtalia-san
[774] Naisho no Hentai Sex
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian [Chinese]
(SC52) [C.R's Nest (C.R, Syroh)] Yukki Hatsujouki | Yukki in Heat (Dog Days) [English] [desudesu]
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [English] [Digital]
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
(C90) [Toragoyashiki (Rityou)] Nyasumi-chan to Kedamono Hatsujouki! (Kantai Collection -KanColle-)
[Ningen tte Iina (Ningen)] Onee-sama ni wa Naisho desu yo? (Kantai Collection -KanColle-) [Digital]
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
[SPARK UTAMARO] Immoral Ichigou
(C92) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 3
(Dai 130 Ki Bunbunmaru Shinbun Tomo no Kai) [Penetrate (Reiha)] Shota to Momiji to Hatsujouki (Touhou Project)
[Anthology] H na Kanojo to Naisho no Shutter Chance [Digital]
(C87) [Kacchuu Musume (Hiyoshi Hana)] Onee-sama ni wa Naisho (Ikusame Mika) (Kantai Collection -KanColle-) [English] [UCW]
[Studio Wallaby (Various)] Sakura no Naisho (Cardcaptor Sakura)
(C84) [Totsugeki! Tonarino Jo-Galbi (Tsunsuki)] Hatsujouki no Sugoshikata | How to spend your time during estrus (Touhou Project) [English] [Pedy]
[Sakura Puchilo] Naisho no Hokenshitsu (Otokonoko Heaven's Door 1) [Chinese] [瑞树汉化]