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Summary

The decreasing birthrate becomes the major problem in 20XX. Especially, the number of men sharply decreases. To deal with it, the government sets up a new law called "Sex New Law". The law bans: - from masturbating. - from using contraception. - girls from refusing when asked to have sex by boys. Yasuhiro turns 20 today and he can now have sex with any girls freely. "I don't wanna have sex for my country. I just wanna have fun!" [From ErogeShop] The year is 20XX; an age where the world faces a population shrinkage crisis. The birthrate of boys has dropped sharply and the adult males who support the country with their labour, steadily die out. The government and related organizations are made up primarily of women in this age of female-dominance... This a new law is proposed and enacted to correct the disparity of the male to female ratio in the government...the "Special Extreme Declining Population Countermeasure Law". Our main character, Tsumura Yasuhiro was born in such an age and is the precious only male in the city. Not only that, but today is his much anticipated 20th birthday, and he receieves authorization by the nation to freely conduct all the sexual activities he pleases... Given the circumstants, what's a guy to do but violate every woman he sees?? [From English DLSite]

Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
NAN%
Tags
  • Unbeknown Incest
  • Yamato Nadeshiko Heroine
  • Heroine with Children
  • Cook Heroine
  • Mother/Son Romance
Rating 7.3257 Users
Seido Choukyou Shidoushitsu ~Hentai Kousoku Curriculum~
Seido Choukyou Shidoushitsu ~Hentai Kousoku Curriculum~
NAN%
Tags
  • Armbinder
  • Uncredited Voice Acting
  • Ballbusting
  • Discipline Committee Member Heroine
  • Open Gag
Rating 7.0720 Users
Zettai★Maou ~Boku no Mune-kyun Gakuen Saga~
Zettai★Maou ~Boku no Mune-kyun Gakuen Saga~
NAN%
Tags
  • Monster Heroine
  • Foolish Parent Support Character
  • Maou Protagonist
  • Dungeon Crawling Game
  • Half-demon Protagonist
Rating 7.5238 Users
Tsugou no Yoi Sexfriend?
Tsugou no Yoi Sexfriend?
NAN%
Tags
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Businesswoman Heroine
  • Office Lady Heroine
  • Heroine with Tights
  • Nympho Heroine
Rating 7.1735 Users
Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji?
Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji?
NAN%
Tags
  • Forbidden Love
  • Chuunibyou Heroine
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 5.6521 Users
Akibakei Kanojo
Akibakei Kanojo
NAN%
Tags
  • Otaku Protagonist
  • Incest Romance
  • Modern Day Akihabara
  • Genre Shift
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 6.9246 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
NAN%
Tags
  • Oyakodon Ending
  • Heroine with Ahoge
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Incest
Rating 6.9136 Users
Knight Carnival!
Knight Carnival!
NAN%
Tags
  • British Mythology
  • Heroine Based on a Fictional Person
  • Knight Heroine
  • Heroine with Armor
  • Deity Protagonist
Rating 6.6521 Users
Tsugou no Ii Kanojo
Tsugou no Ii Kanojo
NAN%
Tags
  • Popular Protagonist
  • Class President Heroine
  • Ejaculation Forewarner
  • Narrating Others' Thoughts
  • Masochist Heroine
Rating 6.9931 Users
Otakano -Konna ni Kawaii Kanojo ga Otaku na Wake ga Nai-
Otakano -Konna ni Kawaii Kanojo ga Otaku na Wake ga Nai-
NAN%
Tags
  • Poker
  • Title Parody
  • Classic Tsundere Heroine
  • Harem Ending with Theme
  • Onna Bugeisha Heroine
Rating 6.7926 Users
Class Zen
Class Zen'in Ore no Yome ~"Watashi-tachi no Karada wa Anata no Mono" Joshi Zen'in Pet Sengen~
NAN%
Tags
  • Hetare Protagonist
  • Clothed Female Naked Male
  • Protagonist as the Only Male
  • Triple Blowjob
  • School Life Comedy
Rating 6.8626 Users
Gachi Otome Quintet
Gachi Otome Quintet
NAN%
Tags
  • Cupid Heroine
  • Fictional Island Near Futuristic Japan
  • European Heroine
  • Island
  • Yamato Nadeshiko Heroine
Rating 7.4627 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
NAN%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
NAN%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Student Club Member Protagonist
  • Triple Boobjob
Rating 7.1023 Users
Mama Goto
Mama Goto
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Divorcee Heroine
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.6930 Users
Hatsujou Season
Hatsujou Season
NAN%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6026 Users
Otto ni Kakurete Mesubuta Onaho ni Sarete Haramiiki Suru Hitozuma-tachi
Otto ni Kakurete Mesubuta Onaho ni Sarete Haramiiki Suru Hitozuma-tachi
NAN%
Tags
  • Ugly Protagonist
  • Heroine with Crotchless Clothing
  • Stockings
  • Sexual Slavery (Choukyou Variation)
  • Scenario Selection
Rating 6.1920 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
NAN%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1723 Users
Yukioni-ya Onsen-ki
Yukioni-ya Onsen-ki
NAN%
Tags
  • New Game Plus
  • City Building Game
  • Onsen
  • Waitress Heroine
  • Heroine with Kimono
Rating 6.9321 Users
Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!!
Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!!
NAN%
Tags
  • Birthrate Decline
  • Fictional Futuristic Japanese Town
  • Class President Heroine
  • Naizuri
  • Defloration During Common Route
Rating 7.01105 Users
Harahara Shichau! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Asagiri Shimai Hen-
Harahara Shichau! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Asagiri Shimai Hen-
NAN%
Tags
  • Heroine with Erotic Adhesive Bandage
  • Deredere Heroine
  • Heroine with Leotard
  • Heroine with Sport Bloomers
  • Impregnation
Rating 6.3637 Users
Sister Magic!
Sister Magic!
NAN%
Tags
  • Heroine with Demon Blood
  • Half-demon Protagonist
  • Completely Avoidable Rape
  • Protagonist with Demon Blood
  • Heroine with Visible Panties
Rating 6.6426 Users
Bukkake!! ~Senpai wa Milk Mamire~
Bukkake!! ~Senpai wa Milk Mamire~
NAN%
Tags
  • Student Council Member Protagonist
  • Protagonist's Senpai as a Heroine
  • Sadist Heroine
  • Heroine with Tan Lines
  • Armpit Sex
Rating 5.6720 Users
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
NAN%
Tags
  • Extremely (un)Lucky Heroine
  • Extremely (un)Lucky Protagonist
  • Goddess Heroine
  • Miko Heroine
  • Oppai Loli Heroine
Rating 6.3121 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
38%
Tags
  • Protagonist's Full Sister as a Heroine
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
Rating 6.4822 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
33%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.6533 Users
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
32%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Student Club Member Protagonist
  • Triple Boobjob
Rating 7.1023 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
31%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Gachi Otome Quintet
Gachi Otome Quintet
31%
Tags
  • Cupid Heroine
  • Fictional Island Near Futuristic Japan
  • European Heroine
  • Island
  • Yamato Nadeshiko Heroine
Rating 7.4627 Users
Otakano -Konna ni Kawaii Kanojo ga Otaku na Wake ga Nai-
Otakano -Konna ni Kawaii Kanojo ga Otaku na Wake ga Nai-
30%
Tags
  • Poker
  • Title Parody
  • Classic Tsundere Heroine
  • Harem Ending with Theme
  • Onna Bugeisha Heroine
Rating 6.7926 Users
Class Zen
Class Zen'in Ore no Yome ~"Watashi-tachi no Karada wa Anata no Mono" Joshi Zen'in Pet Sengen~
28%
Tags
  • Hetare Protagonist
  • Clothed Female Naked Male
  • Protagonist as the Only Male
  • Triple Blowjob
  • School Life Comedy
Rating 6.8626 Users
Knight Carnival!
Knight Carnival!
27%
Tags
  • British Mythology
  • Heroine Based on a Fictional Person
  • Knight Heroine
  • Heroine with Armor
  • Deity Protagonist
Rating 6.6521 Users
Tsugou no Ii Kanojo
Tsugou no Ii Kanojo
27%
Tags
  • Popular Protagonist
  • Class President Heroine
  • Ejaculation Forewarner
  • Narrating Others' Thoughts
  • Masochist Heroine
Rating 6.9931 Users
Hatsujou Season
Hatsujou Season
27%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6026 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
27%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1723 Users
Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!!
Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!!
27%
Tags
  • Birthrate Decline
  • Fictional Futuristic Japanese Town
  • Class President Heroine
  • Naizuri
  • Defloration During Common Route
Rating 7.01105 Users
Sister Magic!
Sister Magic!
26%
Tags
  • Heroine with Demon Blood
  • Half-demon Protagonist
  • Completely Avoidable Rape
  • Protagonist with Demon Blood
  • Heroine with Visible Panties
Rating 6.6426 Users
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
Lucky ☆ Bird -Ecchi na Kouun... Kore tte Honto ni Lucky ka!?-
25%
Tags
  • Extremely (un)Lucky Heroine
  • Extremely (un)Lucky Protagonist
  • Goddess Heroine
  • Miko Heroine
  • Oppai Loli Heroine
Rating 6.3121 Users
Yu no Mura Harem ~Kyonyuu Haramase Onsen Taizai Ki~
Yu no Mura Harem ~Kyonyuu Haramase Onsen Taizai Ki~
25%
Tags
  • Farmer Heroine
  • Cousin Incest
  • Only Adult Heroines
  • Protagonist's Cousin as a Heroine
  • Adult Breast Feeding
Rating 7.2539 Users
Aneimo 2 H
Aneimo 2 H's
25%
Tags
  • Heroine with Baby Complex
  • Oneesan-type Heroine
  • Donkan Protagonist
  • Kuudere Heroine
  • Comedy
Rating 7.2822 Users
Soukan Yuugi 2
Soukan Yuugi 2
25%
Tags
  • P.E. Teacher Heroine
  • Non-blood-related Mother/Son Incest
  • Blood-related Aunt/Nephew Incest
  • Oyakodon
  • Protagonist's Aunt as a Heroine
Rating 6.9744 Users
Yamato Nadeshiko na Ojou-sama ga Ninkatsu no Tame ni Chou Tsugou no Ii Haramase Onaho Yome to Shite Totsuidekita!
Yamato Nadeshiko na Ojou-sama ga Ninkatsu no Tame ni Chou Tsugou no Ii Haramase Onaho Yome to Shite Totsuidekita!
25%
Tags
  • Internal Pissing
  • Yamato Nadeshiko Heroine
  • Feet Licking
  • Unnamed Protagonist
  • Heroine with Huge Breasts
Rating 6.1720 Users
Folklore Jam
Folklore Jam
24%
Tags
  • Occult Club
  • The Seven School Mysteries
  • Multiple Route Mystery
  • Chosen Choices Marking
  • Bleep Censor
Rating 6.8730 Users
Mama no Bonyuu
Mama no Bonyuu
24%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Artist Heroine
  • Artist Protagonist
  • Boobjob
  • Lactation During Sex
Rating 6.4929 Users
Hinatarte ~Hinatabokko Fandisc~
Hinatarte ~Hinatabokko Fandisc~
24%
Tags
  • Heroine with Jeans
  • Protagonist's Aunt as a Heroine
  • Blood-related Sister/Sister Incest
  • Protagonist's Sister as a Heroine
  • Waitress Heroine
Rating 6.4826 Users
Shakkin Shimai
Shakkin Shimai
24%
Tags
  • Non-twin Heroine Sisters
  • Sexual Slavery
  • Wealthy Protagonist
  • Modern Day Earth
  • Shimaidon Ending
Rating 7.0424 Users
Natsuiro Sagittarius Gaiden Ayato-kyun no Otoko no Ko Nikki
Natsuiro Sagittarius Gaiden Ayato-kyun no Otoko no Ko Nikki
24%
Tags
  • Seme Protagonist
  • Only Trap Heroines
  • Trap Support Character
  • Trap Heroine
  • Archery Club
Rating 6.8733 Users
Danchi Wife ~Hitozuma Nude Model no Kenshin~
Danchi Wife ~Hitozuma Nude Model no Kenshin~
24%
Tags
  • Painter Protagonist
  • Widow Heroine
  • Harem Ending
  • Threesome Ending
  • Adult Breast Feeding
Rating 7.0228 Users

Aa, Subarashiki Haramasekai has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (24 total)

NameScoreImportanceWeight
Birthrate Decline3.002.788.35
Spontaneous Sex Scenes2.672.075.54
Future Japan2.002.364.73
Police Officer Heroine2.002.274.54
Unlockable Harem Ending2.001.873.75
Modern Tsundere Heroine2.001.763.53
Heroine with Small Breasts (Non-Loli)2.001.713.42
Sex with Protagonist Only3.001.133.39
Heroine with Zettai Ryouiki2.001.402.79
Government1.002.612.61
Rape2.001.232.45
Early Sexual Content2.001.232.45
Protagonist's Childhood Friend as a Heroine2.001.142.28
Heroine with Glasses2.001.112.23
Only Virgin Heroines2.001.082.17
Naked Sprites2.001.052.11
Nukige3.000.651.95
Group Sex of One Male and Several Females2.000.921.83
Defloration2.000.761.52
Multiple Endings2.000.671.34
Loli Heroine1.001.191.19
Twin Tail Heroine1.001.181.18
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (120 total)

NameCharactersImportanceWeight
Utility Belt Clothes22.712.98
Group Sex Engages in (Sexual)61.502.93
Office Lady Role22.472.72
Intake Hair31.672.32
V Bangs Hair41.412.27
Sex in a Vehicle Engages in (Sexual)22.042.24
Schoolmate Role21.892.08
Outdoor Sex Engages in (Sexual)51.162.07
Sex in Public Places Engages in (Sexual)41.262.02
Motorcycle Items12.821.96
Disciplinarian Personality12.771.92
Skirt Suit Clothes21.741.92
Sidehair Hair60.981.90
Flat Cap Clothes12.641.83
Virgin Sex Engages in (Sexual)70.851.77
Police Officer Uniform Clothes12.531.75
Hair Loopies Hair12.531.75
University Student Role21.591.75
Peaked Cap Clothes12.451.70
Big Breast Sizes Body21.541.69
Modern Tsundere Personality12.431.68
Serious Personality21.491.63
Polo Shirt Clothes12.291.59
Bondage Sex Engages in (Sexual)12.271.58
High Heels Clothes12.231.55
Cowgirl Subject of (Sexual)40.951.54
Torn Pantyhose (damaged) Clothes12.211.53
Spats Clothes12.201.52
Lesbian Sex Engages in (Sexual)21.381.51
Driving Engages in12.171.50
Police Role12.161.49
Handcuffed Sex Subject of (Sexual)12.161.49
Executive Role12.151.49
Sitting Sex Subject of (Sexual)31.061.47
Tominagi Engages in (Sexual)12.121.47
Flat Chest Body12.091.45
Medical Doctor Role12.091.45
Violet Eyes31.041.45
Cross Necklace Clothes12.051.42
Shopping Engages in12.041.42
Butterfly Engages in (Sexual)12.021.40
Wristband Clothes12.001.39
Sixty-nine Engages in (Sexual)21.261.38
Childhood Friend Role21.261.38
High Heeled Shoes Clothes11.961.36
Immature Personality11.931.34
Coworker Role11.921.33
Friend Role21.201.32
Blue Hair21.191.31
Quickie Fix Engages in (Sexual)11.881.31
Standing Sex Engages in (Sexual)11.871.30
Standing Sex Subject of (Sexual)21.181.29
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Short (obsolete) Body11.861.29
Boobjob Subject of (Sexual)11.861.29
Sitting Sex Engages in (Sexual)11.831.27
Younger Appearance Body11.821.26
Lab Coat Clothes11.801.25
Bun Hair11.771.23
Missionary Subject of (Sexual)21.121.23
Deredere Personality11.741.21
Missionary Engages in (Sexual)11.741.21
Glasses Clothes21.081.19
Cowgirl Engages in (Sexual)11.721.19
Doggy Style Engages in (Sexual)11.691.17
Shorts Clothes11.681.16
Parted to Side Hair21.051.16
Small Breasts Body11.671.15
Thigh-high Stockings Clothes21.041.14
Relaxed Personality11.641.13
Mini-dress Clothes11.641.13
Amber Eyes21.031.13
Slim Body60.581.12
Pink Eyes11.621.12
Clothing with Ribbons Clothes11.571.09
Jeans Clothes11.561.08
Young-adult Body30.761.06
Blowjob Subject of (Sexual)11.521.06
Choker Clothes11.501.04
Long Hair30.751.04
Straight Hair20.951.04
Necklace Clothes11.501.04
Green Hair11.481.02
Doggy Style Subject of (Sexual)20.931.02
Pantyhose Clothes11.420.99
Tank Top Clothes11.420.98
Jacket Clothes11.420.98
Gloves Clothes11.410.98
Pleated Skirt Clothes11.400.97
Masturbation Engages in (Sexual)11.390.96
Nipple Sucking Subject of (Sexual)11.380.96
Kid Body11.370.95
Wavy Hair11.360.94
Tominagi Subject of (Sexual)11.360.94
Pink Hair11.330.92
Ahoge Hair11.320.91
T-shirt Clothes11.310.91
Watashi Personality11.260.87
Ribbon Tie Clothes11.250.87
Teen Body30.620.86
Friendly Personality11.220.85
Violet Hair11.190.83
Ribbon Hair Tie Clothes11.190.83
Butterfly Subject of (Sexual)11.170.81
Twin Tails Hair11.130.78
Necktie Clothes11.110.77
Tareme Eyes11.100.76
Ponytail Hair11.100.76
Quickie Fix Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Pale Body60.370.72
Spiky Bangs Hair11.000.69
Shoulder-length Hair10.920.64
Blond Hair10.890.62
Blue Eyes10.800.56
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47
Short Hair10.610.42
20.000.00