(Mimiket 30) [Mayorice Suishou Iinkai (Dodomeiro Mayonnaise)] Harusaki, Nekosaki. Hatsujouki Yuri Hen [Chinese] [CE家族社]
(C88) [Gossipgothic (Shishiji)] Kurashiki-sensei wa Hatsujouki (Fujiyama-san wa Shishunki) | Kurashiki-sensei is in heat (a play on Shishunki) [English]
Touzen, Imouto ni wa Naisho de
[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]
[Grease Pencil (Kamimaki Enpitsu)] Sono Classmate Hatsujouki ni Tsuki [Digital]
[ShiraishiNsuke] Naisho no Ouma-san Gokko | Secret Horse Play (COMIC BAVEL 2017-01) [English] {doujins.com} [Digital]
(Reitaisai 12) [Puku Puku Manjuu (Lenvolt)] Chen-chan wa Hatsujouki (Touhou Project)
(C85) [ReDrop (Miyamoto Smoke, Otsumami)] Hibiki wa Hatsujouki!? | Hibiki is in heat! (THE iDOLM@STER) [English] [Honya]
(C76) [Human High-Light Film (Shiosaba)] Naisho no Honey 2 (Cutey Honey)
(Zenkuu no Hasha 5) [momoirohoppe (Rei)] Djeeta-chan wa Hatsujouki (Granblue Fantasy)
(COMIC1☆3) [Human High-Light Film (Shiosaba)] Naisho no Honey (Cutey Honey)
Naisho no Futarikiri | 둘이서만 비밀스럽게
[Tukimi Daifuku] Mama ni wa Naisho
(C67) [Anekono-Techo (Koume Keito)] Marimite no Naisho (Maria-sama ga Miteru)
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project) [English] [KageSennin]
Mash no Hatsujouki to Shitsukekata
(COMIC1☆7) [CARAMEL CRUNCH! (Rikatan)] Naisho no Houkago Idol (Love Live!)
[MIKARIN] Okaasan ni Naisho
(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu)
Touhou Wan-Nyan Hatsujouki!!
Kangaroo Oyako wa Hatsujouki
(Kouroumu 5) [Avion Village F (Fechi)] Kami-sama wa Hatsujouki (Touhou Project)
Kurashiki-sensei wa Hatsujouki Soushuuhen FINAL | Kurashiki Sensei's Mating Season Final Ch.1-3
[Agata] Naisho no Kakurenbo (COMIC Megamilk Vol.18)
[Shirokurousa (Sugiyuu)] Tewi-chan wa Mannen Hatsujouki (Touhou Project) [Digital]
Kurashiki-sensei wa Hatsujouki | Kurashiki-sensei is in heat
(C88) [nothingfades (Amane Nekoko)] Naisho no Hajimete Kouhen (PriPara)
Rem Nyan wa Hatsujouki
[Jingrock] Shishunki wa Hatsujouki. - Adolescence is a sexual excitement period.
[Higashino Mikan] Kareshi ni Naisho de ❤ | Behind My Boyfriend's Back ❤ (COMIC Koh Vol. 3) [English] [sureok1]
(Shota Scratch 18) [Usamimi Zukin (Kosuzu)] Himitsu no Naisho (The Legend of Zelda) [English] =SW=
(Puniket 12) [Soul Magic (Sudoo Kaoru)] Suki suki Aiko-chan Mayonaka no naisho (Ojamajo Doremi)
(C85) [ReDrop (Miyamoto Smoke, Otsumami)] Hibiki wa Hatsujouki!? (THE iDOLM@STER)
(C93) [Yohsyuan (Son Yohsyu)] Martina-san wa Hatsujouki (Dragon Quest XI) [Chinese] [无毒汉化组]
Naisho no Hakuchi Shuuri
[Babymaker (Beco)] Naisho no Kozukuri 2
(Ugetsusai) [Schwester (Inasaki Shirau)] Naisho no Reisen (Touhou Project)
Uchuu Neko ni Hatsujouki wa Aru no ka?
(C91) [Reverse Noise (Yamu)] Usagi wa Konya mo Hatsujouki (Touhou Project)
Martina-san wa Hatsujouki | Martina in Heat
Kurashiki-sensei wa Hatsujouki
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [English] [Digital]
(Reitaisai 11) [Hiensou (Atono Maturi)] Hanjin Hanrei Hatsujouki!? (Touhou Project)
[Studio Wallaby (Various)] Vitamin-B5 1/4 Ruri Ruri Naisho no Maid Nikki (Martian Successor Nadesico)
(C71) [Kurage no Candume (Yoshino)] Naisho! It's a Night Show! (Simoun)
(C93) [Yohsyuan (Son Yohsyu)] Martina-san wa Hatsujouki | Martina in Heat (Dragon Quest XI) [English] =TLL + Fucked Silly=
Rem to Naisho na Koto Shimasen ka?
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [English] [QB Translations] [Decensored]
[Hiyashi Asia (Agurecchi)] Lunasa Onee-chan no Naisho no Bansoukai (Touhou Project) [Digital]
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Conclusion (English)
(SC24) [Naisho No Usagi Koya (Usakun)] Gohoubi Suimingu
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya (COMIC HOTMILK 2018-07) [Chinese] [無邪気漢化組] [Digital]
(C71) [Pyonpyororin (Akoko.)] Ano... Naisho ni shite kudasai ne? (Suzumiya Haruhi no Yuuutsu) [English]
Alicia-mama to Naisho Ecchi Suru Hon
[Monogusa Wolf] Naisho no Telephone Date
(Houraigekisen! Yo-i! 17Senme) [Takoyaki-batake (Takoyaki)] Inyaduma wa Hatsujouki - Inyaduma is in Estrus (Kantai Collection -KanColle-) [English] [Doujins.com]
Martina-san wa Hatsujouki
(C91) [Mokoke (Mokokee)] Illya-chan no Hatsujouki (Fate/kaleid liner Prisma Illya)
(C95) [Haruiro Fudepen (Satsuki Suzuran)] Naisho no Junbishitsu (Senki Zesshou Symphogear)
(C45) [First Class (Various)] Tenchi Ranyou! Hatsujouki (Tenchi Muyou!)
[Takasugi Kou] Ureta Karada no Hatsujouki - Estral Mature Woman [English] [desudesu, Lazarus H]
Motto Shitai Joshidaisei ga Kare ni Naisho no Kankei ni Hamacchau Ohanashi
[SAIGA dou] Otto ni Naisho de Kozukuri Takuhai Service Oshiharai wa Teisou Hikikae
Atarashii Haha wa Russia-jin!? Oyaji ni Naisho de Niizuma Netori!
(Kuroket) [Viva Mikinosuke (Katazaki Miki)] Let's Go Hatsujouki (Kuroko no Basuke)
[Kitakata Kuniaki] Himitsu no Keijiban H na Onna no Naisho Banashi
Naisho Zuma
[Yuzuponz (Kikira)] Inumimi Seikatsu ~Hatsujouki no Itoko Namahame Tokubetsu Jugyou~ [Digital]
Kyaru wa Hatsujouki
Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
[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]
Naisho no Rehearsal
(SPARK8) [Yu-cho (Pal)] Otona niwa Naisho (Free!)
[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
[Ningen tte Iina (Ningen)] Onee-sama ni wa Naisho desu yo? (Kantai Collection -KanColle-) [Digital]
Naisho desu yo? Kald-san
(Motto Waru no desu... Ouji) [Crea-Holic (Toshihiro)] Ryuu no Hime-sama wa Hatsujouki (Sennen Sensou Aigis)
(COMIC1☆11) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Houkago (To LOVE-Ru Darkness) [English] [biribiri]
Djeeta-chan wa Hatsujouki
[Shiraishi Nagisa] Kaa-san wa Hatsujouki - Mother's Estrus
(SC52) [C.R's Nest (C.R, Syroh)] Yukki Hatsujouki (Dog Days)
(CCFukuoka33) [96。 (Kurokuma)] Naisho no Soudan (Free!)