Hentai Manga like Himitsu no Houkago Sex Nikki

Shiori no Nikki

Also known as Shiori's Diary.

Status: Finished
Genres: Ecchi , Romance , Slice of Life

Shiori is turning 35, married for 9 years and trying to adapt to the unvarying and boring routine as a wife. She thought that this tranquillity will be their future as a married couple but one she stumbles on a diary on her husband's study. As Shiori reads through the pages, she realizes it is her husband's diary where he put down in writing all his private moments with his lover! Is it time for Shiori to start her own diary?

Koukan Nikki

Status: Finished
Genres: Hentai

Sensei Arere? (先生あれれ？); Comic Tenma 2012-03
Kotaete! Kotaete!! (答えて！耐えて！！); Comic Tenma 2011-10
Iikara Iukoto Kikinasai!! (いいから言うこと聞きなさいっ！！); Comic Tenma 2012-09
Kannin Shite Kudasai!! (堪忍してくださいっ！！); Comic Tenma 2011-01
Milk Junkie!! (みるくジャンキー！！); Comic Tenma 2011-03
Chijou-sama no Jijou! (痴女様の事情！); Comic Tenma 2011-08

Sarashi Ai

Status: Finished
Genres: Hentai

0-1, 3, 5-6. Sarashi Ai (晒し愛)
Aoi Kurosaki is a pretty popular girl who's actually an exhibitionist and a pervert. She has a crush on her classmate Noda. How is she going to express her feelings for him?

Barrier Free (バリアフリー)
A teenager with his childhood friend who is now bound by a wheelchair.

Seitokaichou wa Aisare-kei (生徒会長は愛され系)
What happens when the Student council's lovely president gets confessed to both by the boy she's in love with and a girl who's like a little sister to her? You can guess...

Mesupako Nikki

Status: Finished
Genres: Hentai

Ochiba Nikki

Status: Finished
Genres: Hentai

Torokeru Kimi ga Itooshii

Status: Finished
Genres: Hentai , Romance

Kanjite! Kanrinin-san (感じて！管理人さん, Get Excited, Dorm Mother!); Comic Bavel 2024-05
Kimi ni Oborete (君に溺れて, Drowning in You); Comic Bavel 2024-03
Kagikko Doushi (鍵っコどうし, Latchkey Child and Neighbor); Comic Bavel 2024-01
Boku no Kanojo wa Anegohada (僕の彼女は姉御肌, My Girlfriend Has a Sisterly Disposition); Comic Bavel 2023-11
Yes Kanojo (Yesなカノジョ, Yes Girl); Comic Bavel 2023-09
Rinjin Yamenai? (隣人やめない？, Neighbor, Could You Not?); Comic Bavel 2023-07
Snipe You! (スナイプ・ユー！); Comic Bavel 2023-05
Mousou Nikki (妄想日記, Fantasy Diary); Comic Bavel 2023-03
Futari no Seitokai (二人の生徒会, Student Council For Two); Comic Bavel 2023-02
Hogosha no Nagi-san (保護者の凪さん, Nagi-san the Caretaker); Comic Bavel 2022-09

Haha wa Musuko no Chinpo ni Koi wo Suru

Status: Finished
Genres: Hentai

Haha no Musuko Hyou (母の息子（おとこ）表 ); COMIC Penguin Club 2019-12
2. Haha no Musuko Ura (母の息子（おとこ）裏)
3. Haha wa Musuko ni Koi wo Suru : Prologue (母は息子に欲情（こい）をする～プロローグ～)
4-7.Haha wa Musuko ni Koi wo Suru (母は息子に欲情（こい）をする); COMIC Penguin Club 2020-07, 09, 11, 2021-01
8. Oshiete Hana Sensei (教えて花先生♡, Teach Me, Hana Sensei ♡); COMIC Penguin Club 2021-03
9. Ane ga Ore no Maede wa Darashinaku Komaru (姉が俺の前ではだらしなくて困る); COMIC Penguin Club 2021-05
10-11 Oba To Haha (伯母と母); COMIC Penguin Club 2021-07, 09

Mukashi no Uwaki Aite no Ko ga Jitsu wa Watashi no Musuko no Doukyuusei de...

Status: Finished
Genres: Hentai

1-3. Mukashi no Uwaki Aite no Ko ga Jitsu wa Watashi no Musuko no Doukyuusei de... (昔の浮気相手の子が実は私の息子の同級生で…);
Boku wa Aniyome-san no Karada ga Ki ni Narimasu... (ボクは兄嫁さんのカラダが気になります…)