Riko-chan wa Hatsujouki!? | 莉可酱的发情期!?
(COMIC1☆6) [N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari)
[Moritaka Takashi] Inumimi Maid Hatsujouki | Dog-Eared Maid: Mating Season (COMIC Unreal 2010-02) [English] [thetsuuyaku] [Digital]
(C94) [Doku Tonkotsu Niku Dorei (Tanohito)] Chika-chan ni mo Naisho no Himitsu 2 (Love Live! Sunshine!!)
[Fuusen Club] Naisho no Ehon
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
(C92) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to Umi de Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
[Oozora Kaiko (Kaiko)] Papa ni wa Naisho no Boshi no Fureai [Chinese] [某三人汉化组]
[Ningen tte Iina (Ningen)] Onee-sama ni wa Naisho desu yo? (Kantai Collection -KanColle-) [Digital]
Muramuratto Hatsujouki
Mazoku Hime Fleur no Hatsujouki
(C88) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki (Fujiyama-san wa Shishunki)
[Seiten no Hekireki (Toruneko)] Naisho no Tokkun (Jikkyou Powerful Pro Yakyuu)
[Tridisaster (Saida Kazuaki)] Class no Minna ni wa Naisho Dayo! (Puella Magi Madoka Magica) [Digital]
Rem to Naisho na Koto Shimasen ka?
Mifune-san to Umi de Naisho no
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]
[Takase Yuu] Naisho no Jiyuuchou
Naisho no Ohime-sama
(C88) [brilliant thunder (Yumeno Tanuki, Fue)] Oya ni Naisho no Iedex
[Konohana] Naisho no Jikan (COMIC Megastore 2009-04) [Chinese]
(C93) [Tatsumaki Koutei (Takei Tsukasa)] Mifune-san to 3-kai Ecchi Shinai to Derarenai Heya de Naisho no (THE IDOLM@STER CINDERELLA GIRLS)
(C93) [Yohsyuan (Son Yohsyu)] Martina-san wa Hatsujouki (Dragon Quest XI)
Mama ni Naisho Mama to Naisho
(C93) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex 6 - Dekichatta Hen
(C95) [Solar Milk Soft (Solar Milk)] Pokapoka Ro-chan Hatsujouki (Kantai Collection -KanColle-)
[Kuroshiro Desire (Akitsuki Karasu)] Hatsujouki no Ran-sama to Sugosu Mikkakan (Touhou Project) [Digital]
(Sabaki no Niwa 21) [Ko9konnan (mov)] Naisho no Shimatsusho | 秘密的检讨书 (Gyakuten Saiban) [Chinese] [黑夜汉化组]
(SC3) [Studio Wallaby (Deep Purple '72, Jacky Knee de Ukashite Punch x2 Summer de GO!)] Naisho no Azuki (Azuki-chan)
[Takasugi Kou] Ureta Karada no Hatsujouki
Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL | Kurashiki Sensei's Mating Season Final Ch.1-3
Ichikara Jihen "Neko ni Natta Ichimatsu ga Hatsujouki nandakedo"
Kedamono Joshi wa Hatsujouki
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
[NIGHT FUCKERS (Mitsugi)] Nanao no Naisho [Digital]
Chen-chan no Hatsujouki
(C58) [Studio Wallaby (Deep Purple '72, Kaneko Toshiaki, Kura Oh)] Oukoku No Naisho (Puppet Princess of Marl's Kingdom)
(Houraigekisen! Yo-i! 17Senme!) [Takoyaki-batake (Takoyaki)] Inyaduma wa Hatsujouki (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(C95) [Hitsujiniku (Lamb)] Hoka no Kanja-san ni wa Naisho da yo? (Natori Sana)
[MIRAGE CAT (Suika Soda)] Naisho Banashi Vol. 1-2 (Gintama) [Digital]
Hatsujouki | Oni en celo
(Dai 130 Ki Bunbunmaru Shinbun Tomo no Kai) [Penetrate (Reiha)] Shota to Momiji to Hatsujouki (Touhou Project)
(C93) [milkberry (Kisaragi Miyu)] Houkago no Naisho 2 [Chinese] [残碑日月个人汉化]
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto [Chinese] [嗶咔嗶咔漢化組]
(C62) [Studio Wallaby (Deep Purple '72)] Naisho no Azumanga (Azumanga Daioh)
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
(C93) [milkberry (Kisaragi Miyu)] Houkago no Naisho 2
Mifune-san to Producer ga Otsukiai Shihajimete Naisho no
Kyaru wa Hatsujouki
Ririn-san no Naisho no Kao to Daiji na Oheya
(C91) [Bocchi Koubou (Rutubo)] Hatsujouki Succubus Aster-chan (Granblue Fantasy)
Otto ni Naisho de Ajimi Shite 2
(C85) [furuike (Sumiya)] Off no Kongou to Naisho no Ohanashi (Kantai Collection -KanColle-)
(Reitaisai 13) [YuKi-IRo (Yukiusagi.)] Hatsujouki no Pierrot (Touhou Project) [Chinese] [無邪気漢化組]
Hatsujouki Felicia Hokaku Ryojoku
(C93) [Yohsyuan (Son Yohsyu)] Martina-san wa Hatsujouki (Dragon Quest XI) [Chinese] [无毒汉化组]
[Shiraishi Asuka] Hatsujouki Shoujo - Horny Girl
(C91) [milkberry (Kisaragi Miyu)] Houkago no Naisho [Chinese] [残碑日月个人汉化]
(C93) [WICKEDHEART (ZOOTAN)] Usagi Ichika no Whip Hatsujouki (Kirakira PreCure a la Mode)
(Panzer Vor! 11) [Nazunaya Honpo (7zu7)] Erika no Naisho. (Girls und Panzer)
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi
(SC49) [Baka to Hasami (Tsukai You)] Naisho no Tsuboeri Himitsu no Itsuki (Heart Catch Precure!)
(C93) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL (Fujiyama-san wa Shishunki)
Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
(CCTokyo130) [Blood-Way (Karuto)] Bokukko Niizuma wa Hatsujouki (Cardfight!! Vanguard)
(Mimiket 35) [moriQ (Mori Airi)] Rem Nyan wa Hatsujouki (Re:Zero kara Hajimeru Isekai Seikatsu) [English] {doujins.com}
[Sakura Puchilo] Naisho no Hokenshitsu (Otokonoko Heaven's Door 1) [Chinese] [瑞树汉化]
(CiNDERELLA ☆ STAGE 6 STEP) [Rokata Aruki (Akino Komichi)] Naisho no Ohanashi o (THE IDOLM@STER CINDERELLA GIRLS)
Hatsujouki no Ran-sama to Sugosu Mikkakan
[Misao.] Minamo no Naisho | Minamo's Secret (Hajimete Janai yo?) [English] [Rin]
[Hasemi box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti)
(C88) [Sweet Candle (Sakuraizumi Yuu)] Naisho no Asobi (THE iDOLM@STER CINDERELLA GIRLS) [Chinese] [脸肿汉化组]
(C96) [Funa Time (Yukina Funa)] Zoku Laffey-chan no Hatsujouki... - Estrus of Laffey (Azur Lane) [Chinese] [lolipoi汉化组]
[Mama ni wa Naisho (Plasma Beach)] Luscious Beef Cake PLATINUM (Tekken)
(C89) [Yuzuponz (Sakokichi)] Hatsujouki Felicia Hokaku Ryojoku (Darkstalkers)
Shota to Dousei Shitetara Hatsujouki ni Haicchaimashita
Minarai Mahoutsukai ga Hatsujouki no Dark Elf ni Mori de Souguu Shite Gyaku Rape Sarechau Ohanashi
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! (Touhou Project)
Kanojo ga Hatsujouki nanoni Uwaki Shite Tewi-chan to Sex Shita | 明明女朋友在发情期还要和帝酱乱搞做爱
[Agata] Naisho no Kakurenbo (COMIC Megamilk Vol.18)
[Shiraishi Nagisa] Kaa-san wa Hatsujouki - Mother's Estrus
[Babymaker (Beco)] Naisho no Kozukuri [English] [MintVoid]
[Takano Yuki] Minna Hatsujouki! [English] [Digital]
(C55) [Studio Wallaby (Deep Purple '72, Takana Yu-ki, Niiruma Kenji)] Iincho no Naisho (To Heart)
Houkago no Naisho
(C88) [MAPLER (Maple)] Tomodachi ni mo Naisho no Koto
[Jingrock] Shishunki wa Hatsujouki. - Adolescence is a sexual excitement period.
Momiji Onee-chan wa Hatsujouki!!
[Ippongui (Ippongui)] Kanojo ga Hatsujouki nanoni Uwaki Shite Tewi-chan to Sex Shita (Touhou Project) [Digital]
(C93) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL | Kurashiki Sensei's Mating Season Final Ch.1-2 (Fujiyama-san wa Shishunki) [English] {Doujins.com} [Incomplete]
(Umi Yukaba 6) [Can Do Now! (Minarai Zouhyou)] Hatsujouki Tama-chan to! (Kantai Collection -KanColle-)
Naisho no Honey 2
[Oie Kaeru] Muramuratto Hatsujouki (Gekkan Web Otoko no Ko-llection! S Vol. 60) [Chinese] [瑞树汉化组] [Digital]
Ikenai Koto wa Naisho de Suru Mono
(C82) [THE FLYERS (Naruse Mamoru)] Ako-chan to Naisho no XX + plus (Saki Achiga-hen)
[Matsumoto Yuuka] Naisho no Cute Boy
[N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari) [Digital]
[Aa Doushiyou (Pi-ko)] Ore no Imouto Tachi ga Hatsujouki na Wakega nai | There's No Way My Little Sister And Her Friend Are In Heat! (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [English] [Zettai Ryouiki] [Digital]
Jubei-chan no Naisho
(C62) [SimaSima System, Nagisawaya (Nagisawa You)] Sakura no Naisho Kawara Ban Sono 4 (Cardcaptor Sakura)
[Takasugi Kou] Ureta Karada no Hatsujouki - Estral Mature Woman
[Ichinomiya Yuu] Naisho no Complex (COMIC Anthurium 036 2016-04) [Chinese] [黑条汉化]
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2
Hatsujouki na no desu
(SC2015 Autumn) [Ame Usagi (Amedamacon)] Naisho no Hokenshitsu (Gochuumon wa Usagi desu ka?)
(C88) [Fetism (Tanaka Ginji)] Takao-san no Naisho! (Kantai Collection -KanColle-)