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Summary

It was just one of those days, that everything had to go wrong. Work was exhausting, relationship was failing,… But then, on the way back home, something extraordinary happens. Through the shadows of Red Moon, you came to a mystic land called the Kingdom of Nightmare, ruled by angels and demons. And soon after, you discover that you are here to find your destiny, to find where you truly belong…your one true love. [from English Otome Games]

Gyakuten Yoshiwara
Gyakuten Yoshiwara
NAN%
Tags
  • Red-light District
  • Prostitute Hero
  • Pimp Hero
  • Prostitution
  • Brothel
Rating 5.71215 Users
Notice Me Senpai!
Notice Me Senpai!
NAN%
Tags
  • Protagonist's Senpai as a Hero
  • Unknown Gender Protagonist
  • Only a Single Hero
  • Romance
  • No Sexual Content
Rating 4.3723 Users
Locked Heart
Locked Heart
NAN%
Tags
  • Living Doll Support Character
  • Living Doll Hero
  • Polite Formal Hero
  • Cook Protagonist
  • Designer Hero
Rating 6.99160 Users
AIRIS
AIRIS
NAN%
Tags
  • Inventor Hero
  • Scientist Hero
  • Proactive Protagonist
  • Non-Binary Love Interest
  • Fighting Hero
Rating 6.2047 Users
Cinderella Phenomenon
Cinderella Phenomenon
NAN%
Tags
  • Mute Hero
  • Fairy Support Character
  • Princess Protagonist
  • Fairies
  • Riches to Rags
Rating 7.73708 Users
Taishou x Alice
Taishou x Alice
NAN%
Tags
  • Central Hero
  • Hero Based on a Fictional Person
  • Siscon Hero
  • Pragmatic Hero
  • Fairy Tale
Rating 8.28571 Users
Ikemen Kakumei ◆ Alice to Koi no Mahou
Ikemen Kakumei ◆ Alice to Koi no Mahou
NAN%
Tags
  • Politician Hero
  • Military Base
  • Government
  • Wonderland
  • Soldier Hero
Rating 6.9675 Users
Gakuen Tokkyuu Hotokenser
Gakuen Tokkyuu Hotokenser
NAN%
Tags
  • Support Character with Kansai Accent
  • Kanji Puns
  • Superheroes
  • Fighting Hero
  • Varying Ending Songs
Rating 7.8354 Users
Tokyo Yamanote Boys Dark Cherry Disc
Tokyo Yamanote Boys Dark Cherry Disc
NAN%
Tags
  • Protagonist's Side Image Toggle
  • Location Display
  • Relationship Chart
  • Skip Scenes
  • Wealthy Hero
Rating 7.7438 Users
Love Tangle
Love Tangle
NAN%
Tags
  • Co-worker Hero
  • Modern Day Setting in a Fictional World
  • Designer Hero
  • Journalist Hero
  • Programmer Hero
Rating 6.4833 Users
Doki x2★ Konkatsu Party
Doki x2★ Konkatsu Party
NAN%
Tags
  • Timid Hero
  • Otaku Hero
  • May-December Romance
  • Wealthy Hero
  • Shota Hero
Rating 5.9521 Users
Obey Me!
Obey Me!
NAN%
Tags
  • The Seven Deadly Sins
  • Student Council Member Hero
  • Underworld
  • Non-twin Hero Brothers
  • Gacha Game
Rating 6.94166 Users
Love ritual
Love ritual
NAN%
Tags
  • Scientist Protagonist
  • Hero with Beauty Mark
  • Infodumping
  • Puzzle Game
  • Ponytail Hero
Rating 5.8125 Users
Love Unholyc
Love Unholyc
NAN%
Tags
  • Half-demon Protagonist
  • Korean Heroine
  • Korean Hero
  • Model Hero
  • Gothic Romance
Rating 6.4625 Users
Ikemen Ouji: Bijo to Yajuu no Saigo no Koi
Ikemen Ouji: Bijo to Yajuu no Saigo no Koi
NAN%
Tags
  • Prince Hero
  • Inter-class Romance
  • Government
  • Intrigue
  • Fairy Tale
Rating 7.2141 Users
BAD MEDICINE -INFECTIOUS TEACHERS-
BAD MEDICINE -INFECTIOUS TEACHERS-
NAN%
Tags
  • Haraguro Hero
  • Student-Teacher Romance
  • Binaural Audio
  • Artist Hero
  • Playboy Hero
Rating 6.04102 Users
Ballads at Midnight
Ballads at Midnight
NAN%
Tags
  • Musician Protagonist
  • Vampire Hero
  • Vampire
  • Dark Fantasy
  • Dark Skinned Hero
Rating 6.7635 Users
Bocchi Musume x Produce Keikaku.
Bocchi Musume x Produce Keikaku.
NAN%
Tags
  • Model Protagonist
  • Designer Hero
  • Masochist Hero
  • Design Story
  • Photographer Hero
Rating 6.72552 Users
Rei
Rei
NAN%
Tags
  • Ghost Hero
  • Only a Single Hero
  • No Background Music
  • Stock Sprites
  • Female Friend
Rating 6.64102 Users
Cafe ma cherie -Ikemen Cafe no Otome-
Cafe ma cherie -Ikemen Cafe no Otome-
NAN%
Tags
  • Reverse Trap Protagonist
  • Waiter Hero
  • Cafe
  • Ponytail Hero
  • Otome Game
Rating 6.1821 Users
Hatsukare☆Ren
Hatsukare☆Ren'ai Debut Sengen!
NAN%
Tags
  • Simulation Game
  • Student Hero
  • High School
  • Only Good Endings
  • Otome Game
Rating 7.3533 Users
Gakuen Club ~Houkago no Himitsu~
Gakuen Club ~Houkago no Himitsu~
NAN%
Tags
  • Host Club Hero
  • High School Student Hero
  • Model Hero
  • Student Hero
  • Bartender Hero
Rating 5.31100 Users
Miraclr - Divine Dating Si‪m‬
Miraclr - Divine Dating Si‪m‬
NAN%
Tags
  • Interactive Display Devices
  • Angel Hero
  • Christian Mythology
  • Operating System Simulation
  • Hero with Wings
Rating 5.5021 Users
My Burning Heart
My Burning Heart
NAN%
Tags
  • 1001 Nights
  • Arabian-Style Palace
  • Slave Protagonist
  • Middle East
  • Palace
Rating 6.4762 Users
Lost Alice: Destined Lovers in Wonderland
Lost Alice: Destined Lovers in Wonderland
17%
Tags
  • Hero Based on a Fictional Person
  • Wonderland
  • Major Antagonist
  • Bunnyboy Hero
  • Magic/ESP Combat
Rating 6.2245 Users
Ikemen Vampire◆Ijin-tachi to Koi no Yuuwaku
Ikemen Vampire◆Ijin-tachi to Koi no Yuuwaku
16%
Tags
  • Genius Hero
  • Hero Based on Real Person
  • Mayadere Hero
  • Laid-back Hero
  • Vampire Hero
Rating 7.0084 Users
Love Unholyc
Love Unholyc
15%
Tags
  • Half-demon Protagonist
  • Korean Heroine
  • Korean Hero
  • Model Hero
  • Gothic Romance
Rating 6.4625 Users
Love ritual
Love ritual
15%
Tags
  • Scientist Protagonist
  • Hero with Beauty Mark
  • Infodumping
  • Puzzle Game
  • Ponytail Hero
Rating 5.8125 Users
Obey Me!
Obey Me!
14%
Tags
  • The Seven Deadly Sins
  • Student Council Member Hero
  • Underworld
  • Non-twin Hero Brothers
  • Gacha Game
Rating 6.94166 Users
Love Tangle
Love Tangle
14%
Tags
  • Co-worker Hero
  • Modern Day Setting in a Fictional World
  • Designer Hero
  • Journalist Hero
  • Programmer Hero
Rating 6.4833 Users
Doki x2★ Konkatsu Party
Doki x2★ Konkatsu Party
12%
Tags
  • Timid Hero
  • Otaku Hero
  • May-December Romance
  • Wealthy Hero
  • Shota Hero
Rating 5.9521 Users
Gakuen Tokkyuu Hotokenser
Gakuen Tokkyuu Hotokenser
12%
Tags
  • Support Character with Kansai Accent
  • Kanji Puns
  • Superheroes
  • Fighting Hero
  • Varying Ending Songs
Rating 7.8354 Users
Tokyo Yamanote Boys Dark Cherry Disc
Tokyo Yamanote Boys Dark Cherry Disc
12%
Tags
  • Protagonist's Side Image Toggle
  • Location Display
  • Relationship Chart
  • Skip Scenes
  • Wealthy Hero
Rating 7.7438 Users
BAD MEDICINE -INFECTIOUS TEACHERS-
BAD MEDICINE -INFECTIOUS TEACHERS-
11%
Tags
  • Haraguro Hero
  • Student-Teacher Romance
  • Binaural Audio
  • Artist Hero
  • Playboy Hero
Rating 6.04102 Users
Bocchi Musume x Produce Keikaku.
Bocchi Musume x Produce Keikaku.
11%
Tags
  • Model Protagonist
  • Designer Hero
  • Masochist Hero
  • Design Story
  • Photographer Hero
Rating 6.72552 Users
Cafe ma cherie -Ikemen Cafe no Otome-
Cafe ma cherie -Ikemen Cafe no Otome-
11%
Tags
  • Reverse Trap Protagonist
  • Waiter Hero
  • Cafe
  • Ponytail Hero
  • Otome Game
Rating 6.1821 Users
Gakuen Club ~Houkago no Himitsu~
Gakuen Club ~Houkago no Himitsu~
10%
Tags
  • Host Club Hero
  • High School Student Hero
  • Model Hero
  • Student Hero
  • Bartender Hero
Rating 5.31100 Users
My Burning Heart
My Burning Heart
10%
Tags
  • 1001 Nights
  • Arabian-Style Palace
  • Slave Protagonist
  • Middle East
  • Palace
Rating 6.4762 Users
Orfleurs
Orfleurs
10%
Tags
  • Noble Hero
  • Hikikomori Hero
  • Wealthy Hero
  • Maid Protagonist
  • Mischievous Hero
Rating 6.7748 Users
The Arcana
The Arcana
10%
Tags
  • Tarot Cards
  • Mage Protagonist
  • Palace
  • Magic/ESP Combat
  • Non-binary Protagonist Option
Rating 7.47124 Users
Dark Nights
Dark Nights
10%
Tags
  • Homeless Hero
  • Pragmatic Hero
  • Lazy Hero
  • Disappearance
  • Amnesiac Hero
Rating 6.7999 Users
Ninja Shadow: Her One and Only Love
Ninja Shadow: Her One and Only Love
10%
Tags
  • Shinobi Hero
  • Bakumatsu Era
  • Reverse Trap Protagonist
  • Ninja Protagonist
  • Gynophobic Hero
Rating 6.6032 Users
Wiheomhan Geunomdeul
Wiheomhan Geunomdeul
9%
Tags
  • Zombie
  • Apocalypse
  • Portrait Orientation
  • Epidemic
  • Microtransactions
Rating 6.0368 Users
Princess Closet
Princess Closet
9%
Tags
  • Model Protagonist
  • Beautician Hero
  • Photographer Hero
  • Royal Hero
  • Protagonist's Childhood Friend as a Hero
Rating 5.5220 Users
Shinobi Harisenbo
Shinobi Harisenbo
9%
Tags
  • Hime Protagonist
  • Sengoku Period
  • Shinobi Hero
  • Past Japan
  • Princess Protagonist
Rating 6.1330 Users
Kusunoki Yashiki no Monogatari ~Himitsu no Ochoumen~
Kusunoki Yashiki no Monogatari ~Himitsu no Ochoumen~
9%
Tags
  • Save Memo Function
  • Completion Status Indicator
  • Protagonist's Fiance as a Hero
  • Skip to Choices
  • Polite Formal Hero
Rating 6.3128 Users
Makai Ouji to Miwaku no Nightmare
Makai Ouji to Miwaku no Nightmare
9%
Tags
  • Prince Hero
  • Principal Hero
  • Magic School
  • Hikikomori Hero
  • The Seven Deadly Sins
Rating 6.4723 Users
Ayakashi Koimeguri
Ayakashi Koimeguri
9%
Tags
  • Onmyouji Protagonist
  • Meiji Era
  • Youkai Hero
  • Exorcism
  • Onmyouji Hero
Rating 6.6041 Users

Nightmare Harem 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 (36 total)

NameScoreImportanceWeight
Angel Hero3.002.738.18
Demon Hero3.002.337.00
Hero with Monocle2.003.096.19
Jump to Prior Scene2.003.096.19
Protagonist from a Different World3.001.915.74
Arrogant Hero2.002.855.70
Western-style Manor3.001.815.42
Non-twin Hero Brothers2.002.705.40
Hero with Eye Covering Hairstyle2.002.695.38
Gacha Game2.002.685.36
Sadist Hero2.002.675.33
Maid Protagonist2.002.595.19
Confinement3.001.695.07
Butler Hero2.002.484.97
Hero with Eyepatch2.002.484.96
Noble Hero2.002.414.83
Villainous Hero2.002.294.58
Hero with Beauty Mark2.002.244.49
Interracial/interspecies Romance2.002.214.43
More Than Seven Heroes2.002.174.34
Tsundere Hero2.002.084.15
Romancing a Family2.002.074.13
Correct Choice Indicator2.001.993.99
White Haired Hero2.001.993.97
Yandere Hero2.001.923.85
Under the Same Roof3.001.273.82
Microtransactions2.001.843.68
Portrait Orientation2.001.803.60
Past Setting in a Fictional World2.001.713.42
Bad Endings with Story2.001.402.80
Otome Game2.671.022.73
More Than Seven Endings2.001.332.66
Fantasy2.001.252.51
Nameable Protagonist2.000.911.83
Female Protagonist2.000.711.42
ADV2.000.150.29

Traits (48 total)

NameCharactersImportanceWeight
Demon Role52.003.59
Angel Role32.343.25
Secretive Personality32.002.77
Androgynous Body22.372.60
Middle Brother Role12.922.02
Red Eyes41.201.92
Reserved Personality21.721.88
Stoic Personality21.701.86
Sadist Role12.581.79
Narcissist Personality12.551.77
Humanoid (Non-human) Body12.511.74
Quiet Personality12.461.70
Gardening Engages in12.451.70
Butler Role12.441.69
Young-adult Body70.761.59
Eyepatch Clothes12.241.56
Grey Hair21.381.52
Noble Role12.041.42
Sharp-tongued Personality11.971.37
Younger Brother Role11.901.32
Rude Personality11.871.30
Tsundere Personality11.871.30
Strict Personality11.831.27
Flirting Engages in11.801.25
Older Brother Role11.731.20
Mischievous Personality11.731.20
Short Hair60.611.18
Confident Personality11.701.18
Arrogant Personality11.701.18
Mysterious Personality11.691.17
Protective Personality11.681.16
Stubborn Personality11.681.16
Amber Eyes21.031.13
Green Hair11.481.02
Adult Body11.350.93
White Hair11.330.92
Red Hair11.320.92
Violet Hair11.190.83
Blue Hair11.190.83
Glasses Clothes11.080.75
Violet Eyes11.040.72
Kind Personality11.030.71
Green Eyes11.020.70
Blond Hair10.890.62
Pale Body40.370.60
Blue Eyes10.800.56
Long Hair10.750.52
Brown Hair10.680.47