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Summary

In 2019, as Japan transitioned from the Heisei era to Reiwa, a hidden chapter unfolded on Sarubotoke, a secluded island in the Seto Inland Sea. This island has long thrived as a secret haven for prostitution, overseen since the Showa era by the powerful Futatsuguri family. Meanwhile, four strange individuals have emerged from the shadows of society, drawn to the island for mysterious reasons. Embedded within both the island’s ruling family and these newcomers are sorcerers who practice an undetectable form of murder: the art of killing with curses. As dark ambitions and human plots weave together on this island of vice, an even darker force broods beneath the surface—a sinister curse that has haunted Sarubotoke Island for nearly seven decades, a legacy of the island’s war-ridden past.

Natsu e no Hakobune I
Natsu e no Hakobune I
NAN%
Tags
  • Fictional Modern Day Japanese Countryside
  • Arranged Marriage
  • Ejaculation Forewarner
  • Voiced Thoughts
  • Backlog Jump
Rating 7.1834 Users
Koi to H Shika Shiteinai!
Koi to H Shika Shiteinai!
NAN%
Tags
  • Pure Love Story
  • Short Common Route
  • Only Good Endings
  • Gyaru Heroine
  • Under the Same Roof
Rating 6.8325 Users
Girls Book Maker ~Grimm to Sannin no Ohime-sama 1~
Girls Book Maker ~Grimm to Sannin no Ohime-sama 1~
NAN%
Tags
  • Fairy Tale
  • Linear Plot
  • Tomboy Heroine
  • Sexual Content
  • Male Protagonist
Rating 7.6737 Users
Tonari ni Kanojo no Iru Shiawase ~Curious Queen~
Tonari ni Kanojo no Iru Shiawase ~Curious Queen~
NAN%
Tags
  • Naked Sprites
  • Only a Single Heroine
  • Heroine with Big Breasts
  • High School Student Heroine
  • Sexual Content
Rating 6.0825 Users
Suspicion - Giwaku no Sei -
Suspicion - Giwaku no Sei -
NAN%
Tags
  • Reverse Netorare
  • European Heroine
  • Protagonist's Girlfriend as a Heroine
  • Promiscuous Heroine
  • High School Student Protagonist
Rating 6.2522 Users
Bishoujo Mangekyou -Katsute Shoujo Datta Kimi e-
Bishoujo Mangekyou -Katsute Shoujo Datta Kimi e-
NAN%
Tags
  • Animated Ending
  • Long Sexual Scenes
  • Heroine with Kimono
  • Onsen
  • Heroine with Pubic Hair
Rating 6.23395 Users
Doukyuusei 2
Doukyuusei 2
NAN%
Tags
  • Nanpa
  • 90's
  • Guide Heroine
  • Framed GUI
  • More Than Seven Heroines
Rating 7.6776 Users
BETA-SIXDOUZE
BETA-SIXDOUZE
NAN%
Tags
  • Sex Involving Furries
  • Cyberpunk
  • Military Base
  • Lost Technology
  • Group of Friends
Rating 6.5740 Users
Mugen Kairou
Mugen Kairou
NAN%
Tags
  • Butler Protagonist
  • Master and Servant
  • Pegging
  • Trap Protagonist
  • Multiple Route Mystery
Rating 6.7880 Users
Natsu no Kusari
Natsu no Kusari
NAN%
Tags
  • Pain Only Rape
  • Sexual Slavery (Non-consensual)
  • 100% Completion Bonus
  • Sadist Protagonist
  • Musician Heroine
Rating 7.16288 Users
Sei no Shoujo - Bishoujo Gakuen 3 -
Sei no Shoujo - Bishoujo Gakuen 3 -
NAN%
Tags
  • Pimp/Madam Protagonist
  • Genre Shift
  • Bathroom Sex
  • Heroine with Big Breasts
  • High School Student Heroine
Rating 7.2622 Users
Geminism
Geminism
NAN%
Tags
  • Selective Coloring
  • Muted Obscenities
  • Poor Hero
  • Twin Sisters as Heroines
  • Unlockable Protagonist
Rating 7.3363 Users
Kara no Shoujo - Bishoujo Gakuen 1 -
Kara no Shoujo - Bishoujo Gakuen 1 -
NAN%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Cross-dressing
  • Amnesiac Protagonist
Rating 7.5336 Users
Mahou Shoujo Shoumou Sensen another record -Chiisaki Mono-tachi no Yume-
Mahou Shoujo Shoumou Sensen another record -Chiisaki Mono-tachi no Yume-
NAN%
Tags
  • Mahou Shoujo Protagonist
  • Mahou Shoujo Heroine
  • Rape
  • Heroine with Pubic Hair
Rating 7.7744 Users
Girls Book Maker ~Grimm to Sannin no Ohime-sama 2~
Girls Book Maker ~Grimm to Sannin no Ohime-sama 2~
NAN%
Tags
  • Fairy Tale
  • Linear Plot
  • Tomboy Heroine
  • Heroine with Big Breasts
  • Sexual Content
Rating 7.3636 Users
GUN-KATANA - Non-Human-Killer
GUN-KATANA - Non-Human-Killer
NAN%
Tags
  • Bounty Hunter Protagonist
  • Choosing Factions
  • Shooter Game
  • Action Game
  • Dark Fantasy
Rating 7.5871 Users
Splash!
Splash!
NAN%
Tags
  • Swimming Club
  • Heroine with Swimsuits
  • Heroine with Intake Hairstyle
  • Teacher Protagonist
  • Bonus Side Stories
Rating 6.2421 Users
DEAD DAYS
DEAD DAYS
NAN%
Tags
  • Gore Filter
  • Panic Button
  • Metropolitan Area
  • Voice Saving
  • Modern Day Tokyo
Rating 6.93183 Users
Natsu no Kotou no Yami no Koe
Natsu no Kotou no Yami no Koe
NAN%
Tags
  • Crossover
  • Lesbian Sex Only
  • Villainous Heroine
  • Lesbian Domination
  • Western-style Manor
Rating 5.8626 Users
Extravaganza ~Mushigurui Hen~
Extravaganza ~Mushigurui Hen~
NAN%
Tags
  • Insects
  • Hero with Children
  • Madness
  • Coprophagia
  • Completely Avoidable Heroine Rape
Rating 7.8340 Users
Butterfly Seeker ~Chaos Nightmare~
Butterfly Seeker ~Chaos Nightmare~
NAN%
Tags
  • Butterflies
  • Gyaru Heroine
  • Detective Work
  • Late Sexual Content
  • Genius Heroine
Rating 7.1742 Users
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
NAN%
Tags
  • Production of Pornography (Professional)
  • Pubic Hair Option
  • Heroine with Anal Hair
  • Nameable Heroine(s)
  • Blood-related Brother/Sister Incest
Rating 5.8720 Users
Teakamamire no Danshi
Teakamamire no Danshi
NAN%
Tags
  • Japanese Idols
  • Idol Protagonist
  • Voiced Thoughts
  • Idol Heroine
  • Love Hotel
Rating 6.7225 Users
Dasoku
Dasoku
NAN%
Tags
  • True End Death of Protagonist
  • Death Game
  • Heroine with Psychological Problems
  • Sadist Protagonist
  • Guro
Rating 7.1449 Users
Nemurenu Hitsuji to Kodoku na Ookami -A Tale of Love, and Cutthroat- Gaiden
Nemurenu Hitsuji to Kodoku na Ookami -A Tale of Love, and Cutthroat- Gaiden
30%
Tags
  • Red-light District
  • Yakuza
  • 2010s
  • Assassin Protagonist
  • Black Comedy
Rating 7.1631 Users
Nemurenu Hitsuji to Kodoku na Ookami -A Tale of Love, and Cutthroat-
Nemurenu Hitsuji to Kodoku na Ookami -A Tale of Love, and Cutthroat-
30%
Tags
  • Red-light District
  • Insomnia
  • 2010s
  • Assassin Protagonist
  • Scat Filter
Rating 7.25128 Users
Mahou Shoujo Shoumou Sensen another record -Chiisaki Mono-tachi no Yume-
Mahou Shoujo Shoumou Sensen another record -Chiisaki Mono-tachi no Yume-
25%
Tags
  • Mahou Shoujo Protagonist
  • Mahou Shoujo Heroine
  • Rape
  • Heroine with Pubic Hair
Rating 7.7744 Users
Kara no Shoujo - Bishoujo Gakuen 1 -
Kara no Shoujo - Bishoujo Gakuen 1 -
25%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Cross-dressing
  • Amnesiac Protagonist
Rating 7.5336 Users
Geminism
Geminism
22%
Tags
  • Selective Coloring
  • Muted Obscenities
  • Poor Hero
  • Twin Sisters as Heroines
  • Unlockable Protagonist
Rating 7.3363 Users
Natsu no Kusari
Natsu no Kusari
21%
Tags
  • Pain Only Rape
  • Sexual Slavery (Non-consensual)
  • 100% Completion Bonus
  • Sadist Protagonist
  • Musician Heroine
Rating 7.16288 Users
Sei no Shoujo - Bishoujo Gakuen 3 -
Sei no Shoujo - Bishoujo Gakuen 3 -
21%
Tags
  • Pimp/Madam Protagonist
  • Genre Shift
  • Bathroom Sex
  • Heroine with Big Breasts
  • High School Student Heroine
Rating 7.2622 Users
BETA-SIXDOUZE
BETA-SIXDOUZE
20%
Tags
  • Sex Involving Furries
  • Cyberpunk
  • Military Base
  • Lost Technology
  • Group of Friends
Rating 6.5740 Users
Mugen Kairou
Mugen Kairou
20%
Tags
  • Butler Protagonist
  • Master and Servant
  • Pegging
  • Trap Protagonist
  • Multiple Route Mystery
Rating 6.7880 Users
GUN-KATANA - Non-Human-Killer
GUN-KATANA - Non-Human-Killer
20%
Tags
  • Bounty Hunter Protagonist
  • Choosing Factions
  • Shooter Game
  • Action Game
  • Dark Fantasy
Rating 7.5871 Users
DEAD DAYS
DEAD DAYS
20%
Tags
  • Gore Filter
  • Panic Button
  • Metropolitan Area
  • Voice Saving
  • Modern Day Tokyo
Rating 6.93183 Users
Extravaganza ~Mushigurui Hen~
Extravaganza ~Mushigurui Hen~
20%
Tags
  • Insects
  • Hero with Children
  • Madness
  • Coprophagia
  • Completely Avoidable Heroine Rape
Rating 7.8340 Users
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
Hamedori Jikkyou Chuukei! Kyoudai Hatsu Ecchi 12 Jikan
19%
Tags
  • Production of Pornography (Professional)
  • Pubic Hair Option
  • Heroine with Anal Hair
  • Nameable Heroine(s)
  • Blood-related Brother/Sister Incest
Rating 5.8720 Users
Dasoku
Dasoku
18%
Tags
  • True End Death of Protagonist
  • Death Game
  • Heroine with Psychological Problems
  • Sadist Protagonist
  • Guro
Rating 7.1449 Users
Erewhon
Erewhon
18%
Tags
  • Sex Cult
  • Rape by Others
  • Panic Button
  • Traditionalist Family
  • Heroine Rape by Others
Rating 7.50257 Users
Bishoujo Mangekyou Ibun - Yuki Onna
Bishoujo Mangekyou Ibun - Yuki Onna
18%
Tags
  • Yuki-onna Heroine
  • Youkai
  • Martial Artist Protagonist
  • Sword Wielding Protagonist
  • Pure Love Story
Rating 7.68103 Users
AGEHA ~EXTRAVAGANZA~
AGEHA ~EXTRAVAGANZA~
18%
Tags
  • Prison
  • Unavoidable Protagonist Rape
  • Sex with Insects
  • Unavoidable Heroine Rape
  • Grotesque Body Modification
Rating 5.4638 Users
Uso to Makoto ni Oshioki o
Uso to Makoto ni Oshioki o
18%
Tags
  • Spring
  • May-December Romance
  • Straight Lolicon
  • Naizuri
  • Only Loli Heroines
Rating 6.4720 Users
France Shoujo ~Une fille blanche~
France Shoujo ~Une fille blanche~
17%
Tags
  • 20's
  • 20th Century
  • Taishou Era
  • Past Japan
  • Ending Scene Recollection
Rating 7.5541 Users
Dasaku ~Arisu to Kuroe, Musubareru Hi~
Dasaku ~Arisu to Kuroe, Musubareru Hi~
17%
Tags
  • Amputee Heroine
  • Sex Involving Amputees
  • Highly Animated Sprites
  • Girl x Girl Romance
  • Guro
Rating 5.6070 Users
Guro Dere
Guro Dere
17%
Tags
  • Masochist Heroine
  • Witch Heroine
  • Guro
  • Highly Animated Sprites
  • Vampire Heroine
Rating 6.2226 Users
Inunaki
Inunaki
17%
Tags
  • Countryside
  • Brother/Sister Romance
  • Twincest
  • Protagonist's Twin as a Heroine
  • Yamato Nadeshiko Heroine
Rating 6.6338 Users
Tsuki no Shoujo - Bishoujo Gakuen 2 -
Tsuki no Shoujo - Bishoujo Gakuen 2 -
17%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Soapy Massage
  • Reverse Missionary
Rating 7.5225 Users
Nekonade Distortion Exodus
Nekonade Distortion Exodus
17%
Tags
  • Single Character Multiple Defloration
  • Philosophy
  • Blood-related Incest
  • Scenario Selection
  • Pragmatic Heroine
Rating 6.9823 Users

Ouju no Shima 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
Buddhist Mythology2.003.386.76
Fictional Modern Day Japanese Island2.502.636.59
Red-light District2.003.196.38
Curse2.671.985.28
2010s2.002.645.28
Prostitution2.332.144.99
Sex with Others2.002.454.89
Graphic Violence2.002.044.08
Oyaji Protagonist1.502.553.83
Action2.001.813.62
Promiscuous Heroine2.001.763.51
Multiple Protagonists2.331.503.50
Fighting Protagonist2.001.703.41
Fighting Heroine2.001.633.27
Flashback2.001.513.02
Perverted Heroine2.001.402.80
Protagonist with Voice Acting2.001.362.72
Heroine with Sexual Experience2.001.222.43
Gore1.001.921.92
Adult Protagonist1.671.031.71
Heroine with Big Breasts2.000.851.71
Brief NVL Scenes1.001.571.57
Male Protagonist1.500.300.45
ADV2.000.150.29

Traits (99 total)

NameCharactersImportanceWeight
Cursing Engages in52.885.16
Paper Talismans Items33.324.61
Exorcist Role32.843.93
Assassin Role32.513.48
Apprentice Role22.702.96
Mentor Role22.562.82
Money Lover Personality22.512.76
Magician Role41.572.53
Pre-Story Death Subject of22.252.47
Martial Arts Engages in22.242.46
Rain Coat Clothes13.362.33
Sex with Tentacles Engages in (Sexual)13.272.27
Overweight Body21.992.19
Tanned Body21.902.09
Superficial Personality12.972.06
Flamboyant Personality12.932.03
Blazer Clothes21.832.01
Not a Virgin Role31.421.97
Yakuza Role12.841.97
Dual-Wield Weapon Items12.691.86
Gyaru Clothes12.691.86
Gang Leader Role12.671.85
Head of Household Role12.631.82
Wealthy Role21.651.82
Uncle Role12.601.80
Kansai-ben Personality12.541.76
Leather Jacket Clothes12.501.73
Non-blood-related Son Role12.491.72
Criminal Role12.481.72
Tentacle Restraint Subject of12.471.71
Niece Role12.411.67
Stylish Personality12.391.66
Cynic Personality12.391.66
Non-blood-related Mother Role12.371.65
Braided Crown Hair12.361.64
Servant Role12.331.62
Prostitute Role12.321.61
Loud Personality12.311.60
Suit Clothes21.441.58
Ambitious Personality12.211.53
Promiscuous Personality12.201.52
Grey Hair21.381.52
Accident Subject of12.141.48
Wrinkles Body12.131.48
Stubble Hair12.121.47
Third Person Personality12.121.47
Violent Personality12.101.46
Short Body12.071.43
Fighting Engages in21.291.41
Sly Personality12.041.41
Emotional Personality12.021.40
Watch Clothes12.011.40
Sunglasses Clothes12.001.39
Childhood Friend Role21.261.38
Taciturn Personality11.941.35
Cruel Personality11.931.34
Rude Personality11.871.30
Multicolored Hair11.861.29
Yukata Clothes11.851.28
Blunt Personality11.841.27
Son Role11.821.26
Bob Cut Hair11.821.26
Mature Personality11.811.26
Tattoo Body11.801.25
Necktie Clothes21.111.22
Mobile Phone Items11.751.21
Cheerful Personality11.741.21
Missionary Engages in (Sexual)11.741.21
Mischievous Personality11.731.20
Coat Clothes11.701.18
Nipple Sucking Engages in (Sexual)11.701.18
Vaginal Masturbation Engages in (Sexual)11.701.18
Loyal Personality11.691.17
Protective Personality11.681.16
Carefree Personality11.681.16
Small Breasts Body11.671.15
No Bangs Hair11.661.15
Relaxed Personality11.641.13
Popular Role11.631.13
Pervert Personality11.631.13
Jeans Clothes11.561.08
Blowjob Subject of (Sexual)11.521.06
French Kiss Engages in (Sexual)11.491.03
Mother Role11.461.01
Smart Personality11.461.01
Daughter Role11.461.01
Black Eyes11.420.99
Gloves Clothes11.410.98
Wavy Hair11.360.94
Black Hair20.810.88
Belt Clothes11.270.88
Violet Hair11.190.83
Handjob Engages in (Sexual)11.160.80
Big Breasts Body11.140.79
Kind Personality11.030.71
Doggy Style Subject of (Sexual)10.930.64
Slim Body20.580.63
Young-adult Body10.760.53
Teen Body10.620.43