(C94) [Yamo7 (Ayuma Sayu)] Hatsujou Okita-chan to Yakimochi Okita-san (Fate/Grand Order) [English] {Doujins.com}
Mash no Hatsujouki to Shitsukekata
(C78) [PINK (Araiguma)] Hatsujouki ga Kichaimashita!? (Asobi ni Ikuyo!)
(C84) [slice slime (108 Gou)] Hatsujou Usagi no Shitsuke Kata | How To Train Your Rabbit (IS <Infinite Stratos>) [English] [Rapid Switch]
(COMIC1☆11) [REI's ROOM (REI)] Hatsujou Friends. (Kemono Friends)
(C60) [Mechanical Code (Takahashi Kobato)] Method to the madness 2 (You're Under Arrest!) [English] [EHCOVE]
(C91) [Mokoke (Mokokee)] Illya-chan no Hatsujouki (Fate/kaleid liner Prisma Illya) [Chinese] [寂月汉化组]
Mifune-san ni mo Hatsujouki wa Aru
Minna Hatsujouki! | 全員發情期!
[AHM (Inu-Blade, Lact Mangan)] Kanojo o Nakasenai Youni Suru BK201 no Houhou | BK201's Method To Not Make Her Cry (DARKER THAN BLACK) [English] [Flatopia] [Digital]
Hatsujouki Tsuma
(COMIC1☆10) [Kamishiki (Kamizuki Shiki)] Taihou-chan wa Hatsujouki (Kantai Collection -KanColle-) [English] [NepNep]
[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] [Decensored] [Digital]
[MAM☆RU] Hatsujou Bunny Shitsuji II
hatsujoorin
[Mia] Okita-san Daihatsujou ♥ (Fate/Grand Order)
Moa More Hatsujouki | Moa More Mating-Season
Rem Nyan wa Hatsujouki {doujins.com}
(C94) [TAIL OUT! (Tail Out)] Momiji-san, Hatsujouki mo Jikokanri no Uchi desu yo? (Touhou Project)
[archea (Sasagawa Nagaru)] Kagami-kun no Ero hon 7 Gobusata no Kare mo Kore de Ippatsu Marude Kemono no Youna Hatsujou Sekkusu senyou Biyaku (Kuroko no Basuke) [Digital]
Uraaka Otome Hatsujouki
[Arsenal] Hatsujou Sex Days | Mating Sex Days [English] {doujin-moe.us} [Digital]
(C90) [Daisan Shinsekai (Fumikage)] Maria Hatsujou (Senki Zesshou Symphogear GX)
Uchi no Wanko wa Hatsujouki
Shisyunki Ha Hatsujouki8 - Kota Tsun
[Ichinomiya Yuu] Hatsujou Switch Ch. 1-5 + extra
(COMIC1☆13) [P-answer (Hinata Bocchi)] Tadaima Hatsujouchuu (Fate/Grand Order) [English] [EHCOVE]
Hatsujouki no Sugoshikata | How to spend your time during estrus
Bokukko Niizuma wa Hatsujouki
Sensei's Taboo Pink Teaching Method
[Kaname Aomame] Hatsujo Perfume!! ~Niotte Kaide Zecchou Otome Kiriyama-san~
(Reitaisai 14) [Nanika no Heya (Hira)] Inu no Onee-chan no Hatsujou Nihikime (Touhou Project)
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1-6 [English] [Digital]
(CSP6) [Hasemi box (Hasemi Ryo)] Doronjo-sama no Shoujo Kaihatsu Method (Yoru no Yatterman)
(COMIC1☆12) [Akanagi (Aikawa Tatsuki)] Hatsujou Mash no Yuuwaku (Fate/Grand Order)
[Ichinomiya Yuu] Hatsujou Switch ~ Otosareta Shoujo-tachi ~ | 發情啟動開關~墮落下去的少女們~ [Chinese]
[Kihiru] Hatsujou Kanojo Kinpatsu Kanojo (JAP)
(AC2) [Kusoyuridanchi (Johnson)] Tadaima Utahime Hatsujouchuu (VOCALOID)
Yukki Hatsujouki. Dash Upper
[Leafy] Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期 [Chinese] [渣橙子個人單行本漢化]
Wild Method - How to Steal a Japanese Housewife - Part Two
Riko-chan wa Hatsujouki!? | 莉可酱的发情期!?
(C93) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL | Kurashiki Sensei's Mating Season Final Ch.1-3 (Fujiyama-san wa Shishunki) [English] {Doujins.com} [Incomplete]
(COMIC1☆15) [Funa Time (Yukina Funa)] Laffey-chan no Hatsujouki... - Estrus of Laffey (Azur Lane) [Chinese] [白杨汉化组]
(C95) [Aoirokanata (Shikitani Asuka)] Hatsujouki no Nyan Koishi (Touhou Project)
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka ~Bakunyuu JK. Gachizeme Hatsujouchuu~ Botsuraku shita Houjou-ke Donzoko Shoukan no Fukkatsu o Kake, Mama no Nuginugo Gokuraku Service [Digital][English]
[Dhibi] Hatsujou to Choukyou no Aida Saishuuwa [Chinese] [沒有漢化] [Digital]
[Isorashi] Ofuro no Himitsu | Bath Secret (Otome x Hatsujo) [English] [Yoshio] [Decensored]
Saotome Hatsujouki | 五月女發情記
[Lunaterk] Hatsujouchuu! (Dead or Alive)
(Shuuki Reitaisai 4) [Denki Biribiri] Udonge Onee-chan Hatsujouchuu!! (Touhou Project)
Peaking Method
Kanojo o Nakasenai Youni Suru BK201 no Houhou BK201's Method To Not Make Her Cry
[Wanriky] Hatsujou☆Josou Danji [Digital]
[utu] Hatsujou Complex [Chinese] [風與黑暗掃圖]
Sen-chan wa Hatsujouki!?
[Hakaba] Nikubenki Secchihou <Seitokaichou Kanzaki Hitomi no Baai> | Meat toilet installation method. Student council president Kanzaki Hitomi's case (COMIC Mugen Tensei 2019-01) [English] [Digital]
[Maban] Hatsujo Lovers
(C92) [Monokuromomiji (Yuna)] Hamakaze Hatsujou-chuu (Kantai Collection -KanColle-)
(COMIC1☆13) [Roubai-tei (atahuta)] Hatsujou Otome no Shitsukekata (Fate/Grand Order, Fate/kaleid liner Prisma Illya)
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [Digital]
Hatsujo Oku o Haramasete! 1
(C84) [Yuzuponz (Kikira)] Ushi no Wedding Bakunyuu Holstein Tsuma Hatsujou Bonyuu Funsha [English] {bfrost}
(Reitaisai 15) [Kuroshiro Desire (Akitsuki Karasu)] Hatsujouki no Ran-sama to EX Yukarin mo Issho (Touhou Project)
Ikenai Hatsujouki Ojou-sama!!
Shisyunki Ha Hatsujouki2 - After School2
[execio (konecha)] Hokago no Kyoshitsu de Hatsujo Shita Oshieko-tachi to ~Koreijutsu Yattemitara Bicchina Tama ni Tsukarete Hentai Roshutsu Play ni Hamacchatte~
[Wakatsuki] Hatsujou Suru Ooya-san | 發情的房東小姐 (Inbi na Jukujo no Chichi Shibori.) [Chinese]
[7days (Ineminori)] Ichikara Jihen "Neko ni Natta Ichimatsu ga Hatsujouki nandakedo" (Osomatsu-san) [English] [Hana]