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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]

Aimai Ren
Aimai Ren'ai
NAN%
Tags
  • Non-twin Heroine Sisters
  • Twin Buttjob
  • Mentor Support Character
  • Orphan Heroine
  • Pubic Hair Option
Rating 6.9552 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
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
NAN%
Tags
  • Cosplay
  • Shota Protagonist
  • Straight Shotacon
  • Heroine with Swimsuits
  • Sex in Water
Rating 6.6022 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 6.9744 Users
Tsuma Youji 2 ~Boku wa Hitozuma Tenjouin~
Tsuma Youji 2 ~Boku wa Hitozuma Tenjouin~
NAN%
Tags
  • Driver Heroine
  • Guide Heroine
  • Landlady Heroine
  • Onsen
  • Co-worker Heroine
Rating 7.1320 Users
Boku no Hitozuma Onee-san ~M na Hitozuma x S na Miboujin~
Boku no Hitozuma Onee-san ~M na Hitozuma x S na Miboujin~
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Sister/Sister Incest
  • Heroine with Garter Belt
  • Widow Heroine
Rating 6.9620 Users
Mama wa Joshikousei
Mama wa Joshikousei
NAN%
Tags
  • P.E. Teacher Heroine
  • Family Life Comedy
  • No Common Sense Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.4026 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 7.09105 Users
Breed! Breed-Island.
Breed! Breed-Island.
NAN%
Tags
  • Childishly Violent Heroine
  • Island
  • Onna Bugeisha Heroine
  • Oneesan-type Heroine
  • Heroine with Bodystocking
Rating 6.7521 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 Magic!
Sister Magic!
NAN%
Tags
  • Heroine with Demon Blood
  • Half-demon Protagonist
  • Completely Avoidable Rape
  • Protagonist with Demon Blood
  • Heroine with Visible Panties
Rating 6.7127 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
  • Triple Boobjob
Rating 6.8125 Users
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
NAN%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Triple Boobjob
  • Student Club Member Protagonist
Rating 7.2021 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 7.1640 Users
Yu no Mura Harem ~Kyonyuu Haramase Onsen Taizai Ki~
Yu no Mura Harem ~Kyonyuu Haramase Onsen Taizai Ki~
NAN%
Tags
  • Farmer Heroine
  • Cousin Incest
  • Only Adult Heroines
  • Protagonist's Cousin as a Heroine
  • Adult Breast Feeding
Rating 7.2840 Users
Shakkin Shimai
Shakkin Shimai
NAN%
Tags
  • Non-twin Heroine Sisters
  • Sexual Slavery
  • Wealthy Protagonist
  • Modern Day Earth
  • Shimaidon Ending
Rating 7.0724 Users
Junketsu★Megami-sama! "Tanezuke Shite Kudasai, Danna-sama!"
Junketsu★Megami-sama! "Tanezuke Shite Kudasai, Danna-sama!"
NAN%
Tags
  • Birthrate Decline
  • Shinto Shrine
  • Goddess Heroine
  • Twin Buttjob
  • Group Sex with Clones
Rating 7.7751 Users
Aneimo 2 ~Second Stage~
Aneimo 2 ~Second Stage~
NAN%
Tags
  • Pure Love Story
  • Heroine with Baby Complex
  • Oneesan-type Heroine
  • Dramatic Love Triangle
  • Harem Ending
Rating 7.4743 Users
Maternity Monsters! ~Usamimi Iinchou to Kiyoku Tadashii Nikutai Kankei!~
Maternity Monsters! ~Usamimi Iinchou to Kiyoku Tadashii Nikutai Kankei!~
NAN%
Tags
  • Sex with Monster Girls
  • School Nurse Support Character
  • Rabbitgirl Heroine
  • Class President Heroine
  • Succubus Heroine
Rating 6.7621 Users
Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~
Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~
NAN%
Tags
  • Heroine with Baby Complex
  • Sex with Monster Girls
  • Student Council President Heroine
  • Protagonist in Relationship
  • Monster Girl Heroine
Rating 6.6321 Users
Toppara ~Zashikiwarashi no Hanashi~
Toppara ~Zashikiwarashi no Hanashi~
NAN%
Tags
  • Immortal Heroine
  • Youkai Heroine
  • Non-human Heroine
  • Fictional Modern Day Japanese Countryside
  • Kitsune Heroine
Rating 6.9648 Users
Chu x Chu Paradise ~Encore Live~
Chu x Chu Paradise ~Encore Live~
NAN%
Tags
  • Twin Bellyjob
  • Alternate Dimensions
  • Japanese Idols
  • Vampire Heroine
  • Elf Heroine
Rating 7.2229 Users
Ane to Imouto o Iinari ni Suru 10 no Kairitsu ~Hou mo Shimai mo Okashitsukuse!~
Ane to Imouto o Iinari ni Suru 10 no Kairitsu ~Hou mo Shimai mo Okashitsukuse!~
NAN%
Tags
  • Triple Footjob
  • Discipline Committee Member Heroine
  • Protagonist's Twin as a Heroine
  • Comedy Rape
  • Foolish Protagonist
Rating 5.9526 Users
Hatsujou Season
Hatsujou Season
NAN%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6025 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
38%
Tags
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
  • Unavoidable Harem Ending
Rating 6.3821 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
34%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.7333 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
33%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1640 Users
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
31%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Triple Boobjob
  • Student Club Member Protagonist
Rating 7.2021 Users
Otakano -Konna ni Kawaii Kanojo ga Otaku na Wake ga Nai-
Otakano -Konna ni Kawaii Kanojo ga Otaku na Wake ga Nai-
31%
Tags
  • Poker
  • Title Parody
  • Classic Tsundere Heroine
  • Harem Ending with Theme
  • Triple Boobjob
Rating 6.8125 Users
Gachi Otome Quintet
Gachi Otome Quintet
30%
Tags
  • Cupid Heroine
  • Fictional Island Near Futuristic Japan
  • European Heroine
  • Island
  • Yamato Nadeshiko Heroine
Rating 7.4627 Users
Sister Magic!
Sister Magic!
30%
Tags
  • Heroine with Demon Blood
  • Half-demon Protagonist
  • Completely Avoidable Rape
  • Protagonist with Demon Blood
  • Heroine with Visible Panties
Rating 6.7127 Users
Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!!
Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!!
30%
Tags
  • Birthrate Decline
  • Fictional Futuristic Japanese Town
  • Class President Heroine
  • Naizuri
  • Defloration During Common Route
Rating 7.09105 Users
Breed! Breed-Island.
Breed! Breed-Island.
29%
Tags
  • Childishly Violent Heroine
  • Island
  • Onna Bugeisha Heroine
  • Oneesan-type Heroine
  • Heroine with Bodystocking
Rating 6.7521 Users
Shakkin Shimai
Shakkin Shimai
29%
Tags
  • Non-twin Heroine Sisters
  • Sexual Slavery
  • Wealthy Protagonist
  • Modern Day Earth
  • Shimaidon Ending
Rating 7.0724 Users
Aneimo 2 ~Second Stage~
Aneimo 2 ~Second Stage~
28%
Tags
  • Pure Love Story
  • Heroine with Baby Complex
  • Oneesan-type Heroine
  • Dramatic Love Triangle
  • Harem Ending
Rating 7.4743 Users
Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~
Maternity Monsters! ~Jinrou Kaichou to Yuisho Tadashiki Kozukuri Sengen!~
28%
Tags
  • Heroine with Baby Complex
  • Sex with Monster Girls
  • Student Council President Heroine
  • Protagonist in Relationship
  • Monster Girl Heroine
Rating 6.6321 Users
Chu x Chu Paradise ~Encore Live~
Chu x Chu Paradise ~Encore Live~
28%
Tags
  • Twin Bellyjob
  • Alternate Dimensions
  • Japanese Idols
  • Vampire Heroine
  • Elf Heroine
Rating 7.2229 Users
Hatsujou Season
Hatsujou Season
27%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6025 Users
Boku to Sannin no Onee-sama ~Oneesan-tachi to Haramase OK Yome Erabi Dousei Life!~
Boku to Sannin no Onee-sama ~Oneesan-tachi to Haramase OK Yome Erabi Dousei Life!~
27%
Tags
  • European Heroine
  • Blood-related Aunt/Nephew Incest
  • Wealthy Protagonist
  • Protagonist's Aunt as a Heroine
  • Heroine with Inverted Nipples
Rating 7.0730 Users
Imouto Smile
Imouto Smile
27%
Tags
  • Mangaka Heroine
  • Scenario Selection
  • Homemaker Protagonist
  • Imouto-type Heroine
  • Siscon Protagonist
Rating 6.7922 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 7.0922 Users
Mono Gokoro, Mono Musume.
Mono Gokoro, Mono Musume.
27%
Tags
  • Anthropomorphized Inanimate Object
  • Ushimimi Heroine
  • Non-human Heroine
  • Slapstick
  • Twin Buttjob
Rating 6.9231 Users
Class Zen
Class Zen'in Ore no Yome ~"Watashi-tachi no Karada wa Anata no Mono" Joshi Zen'in Pet Sengen~
26%
Tags
  • Hetare Protagonist
  • Clothed Female Naked Male
  • Protagonist as the Only Male
  • Triple Blowjob
  • School Life Comedy
Rating 6.8726 Users
Zettai★Maou ~Boku no Mune-kyun Gakuen Saga~
Zettai★Maou ~Boku no Mune-kyun Gakuen Saga~
26%
Tags
  • Monster Heroine
  • Maou Protagonist
  • Foolish Parent Support Character
  • Dungeon Crawling Game
  • Half-demon Protagonist
Rating 7.5338 Users
Tsugou no Ii Kanojo
Tsugou no Ii Kanojo
26%
Tags
  • Popular Protagonist
  • Class President Heroine
  • Ejaculation Forewarner
  • Narrating Others' Thoughts
  • Masochist Heroine
Rating 7.0130 Users
Maid-san to Ookina Ken
Maid-san to Ookina Ken
26%
Tags
  • Sword Wielding Heroine
  • Western-style Manor
  • Combat with Bladed Weapons
  • Fighting Heroine
  • Heroine with Chinese Dress
Rating 7.1831 Users
Knight Carnival!
Knight Carnival!
26%
Tags
  • British Mythology
  • Heroine Based on a Fictional Person
  • Knight Heroine
  • Heroine with Armor
  • Deity Protagonist
Rating 6.6521 Users
Hinomaru
Hinomaru
26%
Tags
  • Student Council
  • Yakuza Heroine
  • Student Council Member Protagonist
  • Location Display
  • School Life Comedy
Rating 6.9842 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)

Traits (120 total)

NameCharactersImportanceWeight
Utility Belt Clothes22.712.98
Group Sex Engages in (Sexual)61.442.80
Office Lady Role22.492.73
Intake Hair31.662.30
V Bangs Hair41.422.28
Sex in a Vehicle Engages in (Sexual)22.052.26
Outdoor Sex Engages in (Sexual)51.162.07
Schoolmate Role21.872.05
Sex in Public Places Engages in (Sexual)41.262.03
Motorcycle Items12.831.96
Disciplinarian Personality12.761.92
Skirt Suit Clothes21.741.91
Sidehair Hair60.971.90
Flat Cap Clothes12.631.82
University Student Role21.621.78
Police Officer Uniform Clothes12.551.76
Virgin Sex Engages in (Sexual)70.841.75
Hair Loopies Hair12.511.74
Peaked Cap Clothes12.451.70
Modern Tsundere Personality12.441.69
Serious Personality21.501.65
Big Breast Sizes Body21.471.61
Polo Shirt Clothes12.311.60
Bondage Sex Engages in (Sexual)12.261.57
Cowgirl Subject of (Sexual)40.951.53
Torn Pantyhose (damaged) Clothes12.201.53
Lesbian Sex Engages in (Sexual)21.381.52
Spats Clothes12.191.52
Driving Engages in12.181.51
Police Role12.181.51
Executive Role12.171.50
High Heels Clothes12.151.49
Handcuffed Sex Subject of (Sexual)12.151.49
Tominagi Engages in (Sexual)12.141.48
Flat Chest Body12.111.46
Sitting Sex Subject of (Sexual)31.051.46
Medical Doctor Role12.101.45
Violet Eyes31.041.44
Butterfly Engages in (Sexual)12.051.42
Shopping Engages in12.051.42
Cross Necklace Clothes12.041.42
High Heeled Shoes Clothes12.011.39
Wristband Clothes12.001.39
Sixty-nine Engages in (Sexual)21.251.37
Childhood Friend Role21.251.37
Immature Personality11.931.34
Friend Role21.221.34
Coworker Role11.921.33
Quickie Fix Engages in (Sexual)11.901.31
Group Sex of One Male and Several Females Engages in (Sexual)21.201.31
Standing Sex Engages in (Sexual)11.891.31
Blue Hair21.181.30
Boobjob Subject of (Sexual)11.871.30
Standing Sex Subject of (Sexual)21.181.29
Sitting Sex Engages in (Sexual)11.841.27
Younger Appearance Body11.821.26
Short (obsolete) Body11.801.25
Lab Coat Clothes11.791.24
Bun Hair11.781.23
Missionary Subject of (Sexual)21.111.22
Deredere Personality11.751.22
Missionary Engages in (Sexual)11.751.21
Cowgirl Engages in (Sexual)11.721.20
Small Breasts Body11.711.19
Glasses Clothes21.081.19
Doggy Style Engages in (Sexual)11.701.18
Parted to Side Hair21.071.17
Shorts Clothes11.671.16
Relaxed Personality11.651.14
Thigh-high Stockings Clothes21.031.13
Mini-dress Clothes11.631.13
Amber Eyes21.021.13
Pink Eyes11.611.12
Slim Body60.571.11
Jeans Clothes11.581.10
Clothing with Ribbons Clothes11.561.08
Young-adult Body30.771.07
Blowjob Subject of (Sexual)11.531.06
Straight Hair20.961.05
Choker Clothes11.521.05
Long Hair30.751.04
Necklace Clothes11.501.04
Green Hair11.471.02
Doggy Style Subject of (Sexual)20.921.01
Tank Top Clothes11.430.99
Pantyhose Clothes11.420.98
Gloves Clothes11.420.98
Jacket Clothes11.420.98
Pleated Skirt Clothes11.420.98
Nipple Sucking Subject of (Sexual)11.390.96
Masturbation Engages in (Sexual)11.370.95
Kid Body11.360.94
Wavy Hair11.360.94
Tominagi Subject of (Sexual)11.360.94
Pink Hair11.320.92
T-shirt Clothes11.320.91
Ahoge Hair11.310.91
Watashi Personality11.260.88
Ribbon Tie Clothes11.240.86
Friendly Personality11.230.86
Teen Body30.610.85
Violet Hair11.190.82
Ribbon Hair Tie Clothes11.180.82
Butterfly Subject of (Sexual)11.170.81
Twin Tails Hair11.120.78
Necktie Clothes11.110.77
Ponytail Hair11.100.76
Tareme Eyes11.090.76
Quickie Fix Subject of (Sexual)11.080.75
Miniskirt Clothes11.070.74
Boobjob Engages in (Sexual)11.060.74
Pale Body60.370.72
Spiky Bangs Hair11.010.70
Shoulder-length Hair10.910.63
Blond Hair10.880.61
Blue Eyes10.800.55
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47
Short Hair10.610.42
20.000.00