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Summary

This is the debut work for UnicoЯn. There exists a legend about a king who obtained a relic from a lost civilization and used its power to grant any wish to unite the world. This relic, ‘Sora no Ison’ (Legacy of the Sky), was sealed afterwards by the ‘holy keys’ somewhere in the world. Countless persons have attempted to find it, but none of them could even find a trace of its location. Haruto is a hopeless guy who was forced by the headmaster Spiano to attend the Academy, but ended up skipping all classes. When she made him work part-time, an unfortunate incident caused him to carry a huge debt to her. To pay off the debt, he was unwillingly tasked to explore to the depths of a sealed ruins as part of a supplementary test. His fellow test-taker Akina mentioned that it was rumoured that the elusive relic was sealed deep in the ruins. Vowing to become rich and to show Spiano up, he faced the challenge with heightened vigor. [From Hau~ Omochikaeri!]

ALIA
ALIA's CARNIVAL!
NAN%
Tags
  • Jump to Unread
  • Spontaneous Power-ups
  • Ladder Structure
  • Location Display
  • Track Display
Rating 7.51197 Users
Yuuwaku Scramble
Yuuwaku Scramble
NAN%
Tags
  • Under the Same Roof
  • Soapy Massage
  • Protagonist's Non-blood-related Sister as a Heroine
  • Masturbation
  • Protagonist's Childhood Friend as a Heroine
Rating 6.9842 Users
Mayoeru Futari to Sekai no Subete
Mayoeru Futari to Sekai no Subete
NAN%
Tags
  • Scythe Combat
  • Musume-type Heroine
  • Cloning
  • Talking Object
  • Low Sexual Content
Rating 7.1783 Users
ALIA
ALIA's CARNIVAL! Flowering Sky
NAN%
Tags
  • Otaku Heroine
  • Genius Heroine
  • Brocon Heroine
  • One True End
  • Nude Filter
Rating 7.7081 Users
Love Rec.
Love Rec.
NAN%
Tags
  • Design Story
  • Anthropomorphized Inanimate Object
  • Threesome
  • Student Club Member Protagonist
  • Slice of Life
Rating 7.2786 Users
Raillore no Ryakudatsusha
Raillore no Ryakudatsusha
NAN%
Tags
  • Lost Technology
  • Emotionless Protagonist
  • Post Apocalyptic Earth
  • Voice Only Parts
  • Sword Wielding Protagonist
Rating 7.5941 Users
Zannen na Ore-tachi no Seishun Jijou.
Zannen na Ore-tachi no Seishun Jijou.
NAN%
Tags
  • Boke Protagonist
  • Tsukkomi Heroine
  • Skip Scenes
  • Leader Protagonist
  • Unlockable Sexual Content
Rating 7.5073 Users
Ama no Sora Retrospect
Ama no Sora Retrospect
NAN%
Tags
  • Library
  • Bookworm Heroine
  • Urban Fantasy
  • Goddess Heroine
  • Pantyjob
Rating 7.2744 Users
Kujiragami no Tearstilla
Kujiragami no Tearstilla
NAN%
Tags
  • Fictional Island Near Futuristic Japan
  • Athletics Festival
  • Unlockable Sexual Content
  • Heroine with Visible Panties
  • Transfer Student Protagonist
Rating 7.42102 Users
Amenity
Amenity's Life
NAN%
Tags
  • Anthropomorphized Inanimate Object
  • Tall Heroine
  • Perverted Friend
  • Pillow Talk
  • Fictional Modern Day Japanese Town
Rating 7.2273 Users
Koi to Koi Suru Utopia
Koi to Koi Suru Utopia
NAN%
Tags
  • Onsen
  • Shimaidon
  • Blood-related Aunt/Nephew Incest
  • Slice of Life
  • Pragmatic Heroine
Rating 6.8561 Users
1/7 no Mahoutsukai
1/7 no Mahoutsukai
NAN%
Tags
  • Brocon Support Character
  • Dual Wielding Swords
  • Childhood Promise
  • Dual Wielding Pistols
  • Close-up CGs
Rating 6.6833 Users
Ou no Mimi ni wa Todokanai!
Ou no Mimi ni wa Todokanai!
NAN%
Tags
  • Fighting Princess Heroine
  • Assassin Protagonist
  • Built-in Flowchart
  • Princess Heroine
  • Modern Tsundere Heroine
Rating 7.2431 Users
Love, Vampire Flowers
Love, Vampire Flowers
NAN%
Tags
  • Gardening Club
  • Vampire Protagonist
  • School Dormitory
  • Foreigner Heroine
  • Other Perspectives
Rating 7.3644 Users
Omoi o Sasageru Otome no Melody
Omoi o Sasageru Otome no Melody
NAN%
Tags
  • Musical Environment
  • Instrumentalist Heroine
  • Musician Protagonist
  • Boarding School
  • Trap Protagonist
Rating 7.39103 Users
Yomegami: My Sweet Goddess!
Yomegami: My Sweet Goddess!
NAN%
Tags
  • Divine Protagonist
  • Yakuza Heroine
  • Comedic Love Triangle
  • Half-demon Protagonist
  • Slice of Life Comedy
Rating 7.0788 Users
Akaneiro no Kyoukaisen
Akaneiro no Kyoukaisen
NAN%
Tags
  • Youkai Heroine
  • Kemonomimi Heroine
  • Sword Wielding Heroine
  • Protagonist's Kouhai as a Heroine
  • Legwear Footjob
Rating 6.9652 Users
Hoshi Koi * Twinkle
Hoshi Koi * Twinkle
NAN%
Tags
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Lazy Heroine
  • Student Club
Rating 7.0492 Users
Silverio Vendetta
Silverio Vendetta
NAN%
Tags
  • Assassin Protagonist
  • High Amount of Special Effects
  • Future
  • Heroine with Erotic Adhesive Bandage
  • War
Rating 7.97140 Users
Haru Kiss
Haru Kiss
NAN%
Tags
  • Martial Artist Protagonist
  • Martial Artist Heroine
  • Cousin Romance
  • Protagonist's Ex as a Heroine
  • Unarmed Combat
Rating 7.11131 Users
Kodomo no Asobi
Kodomo no Asobi
NAN%
Tags
  • Slice of Life Drama
  • Curse
  • Demon Heroine
  • Pure Love Story
  • Kneepit Sex
Rating 7.5773 Users
Soshite Hatsukoi ga Imouto ni Naru
Soshite Hatsukoi ga Imouto ni Naru
NAN%
Tags
  • Child Abuse
  • Slice of Life Drama
  • Poor Heroine
  • Loli Support Character
  • Coming-of-Age Drama
Rating 7.3580 Users
Toki o Tsumugu Yakusoku
Toki o Tsumugu Yakusoku
NAN%
Tags
  • Daughter Support Character
  • Onsen
  • Slice of Life Drama
  • Pure Love Story
  • Cook Protagonist
Rating 7.31101 Users
Wizards Complex
Wizards Complex
NAN%
Tags
  • Clothed Boobjob
  • Homemaker Protagonist
  • Sister Support Character
  • Heroine with Flat Chest (Non-Loli)
  • Unarmed Combat
Rating 7.3153 Users
Hanikami Clover
Hanikami Clover
28%
Tags
  • Chuunibyou Heroine
  • Former All-girls School
  • Submissive Protagonist
  • Hetare Protagonist
  • Transfer Student Protagonist
Rating 7.04108 Users
Koi Suru Ojou-sama wa Ecchi na Hanayome
Koi Suru Ojou-sama wa Ecchi na Hanayome
28%
Tags
  • Wedding
  • Butler Protagonist
  • Ojousama Heroine
  • Marriage Ending
  • French Kiss
Rating 6.9443 Users
Love, Vampire Flowers
Love, Vampire Flowers
26%
Tags
  • Gardening Club
  • Vampire Protagonist
  • School Dormitory
  • Foreigner Heroine
  • Other Perspectives
Rating 7.3644 Users
Ou no Mimi ni wa Todokanai!
Ou no Mimi ni wa Todokanai!
25%
Tags
  • Fighting Princess Heroine
  • Assassin Protagonist
  • Built-in Flowchart
  • Princess Heroine
  • Modern Tsundere Heroine
Rating 7.2431 Users
1/7 no Mahoutsukai
1/7 no Mahoutsukai
25%
Tags
  • Brocon Support Character
  • Dual Wielding Swords
  • Childhood Promise
  • Dual Wielding Pistols
  • Close-up CGs
Rating 6.6833 Users
Amenity
Amenity's Life
25%
Tags
  • Anthropomorphized Inanimate Object
  • Tall Heroine
  • Perverted Friend
  • Pillow Talk
  • Fictional Modern Day Japanese Town
Rating 7.2273 Users
Koi to Koi Suru Utopia
Koi to Koi Suru Utopia
25%
Tags
  • Onsen
  • Shimaidon
  • Blood-related Aunt/Nephew Incest
  • Slice of Life
  • Pragmatic Heroine
Rating 6.8561 Users
Ama no Sora Retrospect
Ama no Sora Retrospect
25%
Tags
  • Library
  • Bookworm Heroine
  • Urban Fantasy
  • Goddess Heroine
  • Pantyjob
Rating 7.2744 Users
Kujiragami no Tearstilla
Kujiragami no Tearstilla
24%
Tags
  • Fictional Island Near Futuristic Japan
  • Athletics Festival
  • Unlockable Sexual Content
  • Heroine with Visible Panties
  • Transfer Student Protagonist
Rating 7.42102 Users
Yomegami: My Sweet Goddess!
Yomegami: My Sweet Goddess!
24%
Tags
  • Divine Protagonist
  • Yakuza Heroine
  • Comedic Love Triangle
  • Half-demon Protagonist
  • Slice of Life Comedy
Rating 7.0788 Users
Hoshi Koi * Twinkle
Hoshi Koi * Twinkle
24%
Tags
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Lazy Heroine
  • Student Club
Rating 7.0492 Users
Haru Kiss
Haru Kiss
23%
Tags
  • Martial Artist Protagonist
  • Martial Artist Heroine
  • Cousin Romance
  • Protagonist's Ex as a Heroine
  • Unarmed Combat
Rating 7.11131 Users
Soshite Hatsukoi ga Imouto ni Naru
Soshite Hatsukoi ga Imouto ni Naru
23%
Tags
  • Child Abuse
  • Slice of Life Drama
  • Poor Heroine
  • Loli Support Character
  • Coming-of-Age Drama
Rating 7.3580 Users
Wizards Complex
Wizards Complex
23%
Tags
  • Clothed Boobjob
  • Homemaker Protagonist
  • Sister Support Character
  • Heroine with Flat Chest (Non-Loli)
  • Unarmed Combat
Rating 7.3153 Users
Haji Kano ~Kimi ga Iru Heya~
Haji Kano ~Kimi ga Iru Heya~
22%
Tags
  • Protagonist's Boss as a Heroine
  • Office Lady Heroine
  • Bonus Side Stories
  • Only Virgin Heroines
  • Tsundere Heroine
Rating 6.9631 Users
World Election
World Election
22%
Tags
  • Cupid Heroine
  • Panic Button
  • No Common Sense Heroine
  • Angel Heroine
  • Long Common Route
Rating 7.52122 Users
Suisei Ginka
Suisei Ginka
22%
Tags
  • Corporations
  • Hotblooded Protagonist
  • Brief Third-person Narrative Sections
  • Swimming Club
  • Reunion
Rating 7.1779 Users
Sora no Tsukurikata -Under the Same Sky, Over the Rainbow-
Sora no Tsukurikata -Under the Same Sky, Over the Rainbow-
22%
Tags
  • Ladder Structure
  • Living Doll Support Character
  • Crime Family
  • Bodyguard Heroine
  • Doggirl Heroine
Rating 7.5193 Users
Sorairo Innocent
Sorairo Innocent
22%
Tags
  • Airplane
  • Pilot Protagonist
  • Birds
  • Child Support Character
  • Student Club Member Heroine
Rating 7.3680 Users
Amanatsu Adolescence
Amanatsu Adolescence
22%
Tags
  • Student Club
  • Long Common Route
  • Psychological Trauma
  • Musician Heroine
  • Russia
Rating 6.8355 Users
Ryuukishi Bloody † Saga
Ryuukishi Bloody † Saga
22%
Tags
  • Dual Wielding Daggers
  • Gore Filter
  • Nude Filter
  • Dragon
  • High Amount of Special Effects
Rating 7.1175 Users
Natsuiro Kokoro Log
Natsuiro Kokoro Log
22%
Tags
  • Virtual Reality
  • Combat Sport
  • Protagonist's Blood-related Sister as a Heroine
  • Brother/Sister Romance
  • Gaming
Rating 7.3794 Users
Sakura Nikagetsu
Sakura Nikagetsu
22%
Tags
  • Chuunibyou Heroine
  • Low Sexual Content
  • Genius Protagonist
  • Slice of Life
  • No Common Sense Heroine
Rating 7.3920 Users
Hanidebi! Honey & Devil
Hanidebi! Honey & Devil
22%
Tags
  • Protagonist with Demon Blood
  • Timid Protagonist
  • Onna Bugeisha Heroine
  • Demon Protagonist
  • Student Council Member Heroine
Rating 7.0194 Users

Seiken Tsukai no Proposition 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 (44 total)

NameScoreImportanceWeight
Protagonist with Superpowered Side2.502.947.34
Long Common Route3.002.116.32
Chuunibyou Protagonist2.003.026.03
Superpowers3.002.006.00
Heroine with Superpowered Side2.002.875.74
Group of Friends3.001.855.56
Only Avoidable Sexual Content2.002.685.36
Fighting Protagonist3.001.705.11
Arrogant Protagonist2.002.515.01
More Than Seven Heroines3.001.644.93
Unlockable Sexual Content2.002.384.76
Combat with Firearms2.002.264.51
Third-person Narrative2.501.674.17
Heroine with Intake Hairstyle2.002.014.03
Sword Combat2.001.923.84
Late Branching Plot2.001.903.81
Pure Love Story2.001.853.70
School Life Comedy2.001.843.69
Action2.001.813.61
Central Heroine2.001.813.61
Ojousama Heroine2.501.443.61
Late Sexual Content2.001.783.56
Modern Tsundere Heroine2.001.753.51
Classic Tsundere Heroine2.001.713.43
Proactive Protagonist2.001.673.34
Low Sexual Content2.001.643.27
Fighting Heroine2.001.633.27
Sexual Blindfold2.001.533.05
Tomboy Heroine2.001.503.00
NVL2.001.432.87
Perverted Heroine2.001.392.79
One True End2.001.382.76
Boobjob2.001.332.65
Big Breast Sizes Heroine2.001.312.62
Protagonist's Senpai as a Heroine1.501.692.53
Drama1.671.432.38
Romance2.500.902.24
Blowjob2.001.122.24
Comedy1.671.101.84
High School1.501.221.83
High School Student Heroine2.000.851.69
Defloration2.000.761.52
Male Protagonist3.000.300.90
ADV2.000.140.29

Traits (165 total)

NameCharactersImportanceWeight
Handgun Items41.943.12
Greatsword Items22.662.92
Modern Tsundere Personality22.422.66
Classic Tsundere Personality22.402.64
Loud Personality22.312.54
Twin Blade Sword Items13.622.51
Bag Items22.272.49
Martial Arts Engages in22.232.45
Swordsmanship Engages in22.152.36
Sweets Lover Personality22.102.30
V Bangs Hair41.412.27
Kigurumi Engages in13.152.18
Ninjato Items13.082.13
Necklace Clothes31.502.07
Fanny Pack Items12.982.07
Uchi Personality12.982.07
Short (obsolete) Body21.872.05
Cufflink Clothes12.952.05
Virgin Sex Engages in (Sexual)100.852.04
Watashi Personality41.252.02
Missionary Subject of (Sexual)51.122.00
Wheelchair Items12.882.00
Chuunibyou Personality12.831.96
Sword Items21.771.95
Sloppy Personality12.781.93
Outgoing Personality21.731.90
Loafers Clothes21.711.88
Arrogant Personality21.701.86
Inferiority Complex Subject of12.641.83
Debt Subject of12.611.81
Teasing Subject of21.651.81
Doggy Style Subject of (Sexual)60.921.80
Narcissist Personality12.541.76
Hair Loopies Hair12.531.75
Quickie Fix Subject of (Sexual)41.081.74
Overconfident Personality12.461.71
Energetic Personality21.521.67
Drunk Sex Engages in (Sexual)12.401.67
Orange Hair21.511.66
Writer Role12.371.64
Serious Personality21.491.63
Seventh Posture Subject of (Sexual)21.461.61
Flower Clothes12.301.59
Shrug Clothes12.291.59
Teasing Engages in21.441.59
Womanizer Personality12.281.58
Waist Length+ Hair60.811.58
Leggings Clothes12.271.57
Sidehair Hair40.981.57
Jacket Clothes21.421.56
Reverse Cowgirl Engages in (Sexual)12.221.54
Spoons Engages in (Sexual)12.211.53
High School Student Role50.851.53
Pragmatic Personality12.201.52
Nature Lover Personality12.191.52
Knee-high Socks Clothes21.381.52
Seventh Posture Engages in (Sexual)12.191.52
Closet Pervert Personality12.161.50
Charismatic Personality12.161.50
Talkative Personality12.161.50
Lazy Personality12.151.49
Wavy Hair21.361.49
Miniskirt Clothes31.061.47
Book Items12.121.47
School Uniform Clothes60.751.47
Third Person Personality12.121.47
Tominagi Engages in (Sexual)12.111.46
Insightful Personality12.101.45
Robe Clothes12.051.42
Kind Personality31.031.42
Brave Personality12.051.42
Noble Role12.051.42
Otaku Personality12.051.42
Butterfly Engages in (Sexual)12.021.40
Ankle Socks Clothes12.011.39
Small Breast Sizes Body12.001.39
Ringlet Hair12.001.38
Funny Personality12.001.38
Beret Clothes11.991.38
Sixty-nine Engages in (Sexual)21.261.38
Cleaning Engages in11.991.38
Turtleneck Shirt Clothes11.991.38
Decorative Belt Clothes11.981.37
Tomboy Personality11.961.36
Ojousama Role11.951.35
Taciturn Personality11.941.35
Clumsy Personality11.931.34
Friendly Personality21.221.34
Slim Body90.581.33
Quickie Fix Engages in (Sexual)11.881.30
Fang Body11.881.30
Cardigan Clothes11.881.30
Standing Sex Engages in (Sexual)11.871.29
Boobjob Subject of (Sexual)11.861.29
Teen Body70.621.29
Sexual Blindfold Subject of (Sexual)11.851.29
Short-tempered Personality11.851.28
Knee-high Boots Clothes11.831.27
Blazer Clothes11.831.27
Pretending Personality11.821.26
Waitstaff Role11.811.26
Twin Tails Hair21.131.24
Scarf Clothes11.781.23
Kemonomimi Body11.771.23
Necktie Clothes21.121.23
Blowjob Engages in (Sexual)40.761.22
Sports Shoes Clothes11.721.19
Proactive Personality11.711.19
Cowgirl Engages in (Sexual)11.711.19
Coat Clothes11.701.18
Stoic Personality11.701.18
Confident Personality11.691.17
Naive Personality11.691.17
Mysterious Personality11.691.17
Intake Hair11.681.16
Stubborn Personality11.671.16
Violet Eyes21.051.15
Ribbon Hair Accessory Clothes11.661.15
Relaxed Personality11.641.13
Amber Eyes21.031.13
Pink Eyes11.621.12
Shy Personality11.621.12
Drinking Engages in11.611.12
Green Eyes21.021.12
Spiky Bangs Hair21.001.10
Sex in Water Engages in (Sexual)11.561.08
Big Breast Sizes Body11.551.08
Hard Worker Personality11.541.07
Blowjob Subject of (Sexual)11.521.05
Pendant Necklace Clothes11.521.05
Straight Hair20.941.04
Green Hair11.481.02
Smart Personality11.461.01
Pantyhose Clothes11.420.99
Black Eyes11.420.98
Cooking Engages in11.420.98
Blond Hair20.890.98
Hairpin Clothes11.400.97
Pleated Skirt Clothes11.390.97
Bathroom Sex Engages in (Sexual)11.390.96
Tsurime Eyes11.380.96
Kid Body11.370.95
Pink Hair11.330.92
Ahoge Hair11.320.92
Red Hair11.320.92
T-shirt Clothes11.310.91
Blue Eyes20.800.88
Sex in Public Places Engages in (Sexual)11.260.87
Dress Clothes11.250.87
Pale Body90.370.85
Friend Role11.200.83
Violet Hair11.190.83
Blue Hair11.190.83
Trousers Clothes11.190.82
Shirt Clothes11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Tareme Eyes11.110.77
Boobjob Engages in (Sexual)11.070.74
Sitting Sex Subject of (Sexual)11.060.74
Thigh-high Stockings Clothes11.040.72
Short Hair20.610.67
Cowgirl Subject of (Sexual)10.950.66
Black Hair10.800.56
Long Hair10.750.52
60.000.00