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Summary

The seabed── Despite being a part of this earth, it is still an unknown world full of mysteries. It all starts on a certain summer vacation. While traveling to the south by a ship, they suddenly get caught in a big storm. The protagonist Haruki, his sister Minamo, and his childhood friend Natsumi, all fall into the raging sea. When Haruki, who has already accepted death, regains his consciousness once again── He finds himself on a luxurious bed. "Not even the sunlight can reach here, this place is 5,000 meters deep. We are the undersea people, and this place is the underwater city Atalancia." A maid with animal ears, Rosania informs him unenthusiastically. And, as if to add another blow to the already surprised Haruki. "The one who brought Haruki-sama to Atalancia, it was none other than me." The Princess of Atalancia, Irionela's cheeks turn pink── "I know this is a sudden request, and I'm feeling very ashamed, but── Would you please marry me?" Love at first sight by the Princess of the Undersea, with the addition of her sister and the second princess Lill, the life at the bottom of the ocean begins. Suddenly rising, the whirlpool of love. This intercultural love communication, where does it really flow to? [Translated and edited from the official website]

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
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  • Sexual Content
  • Male Protagonist
Rating 7.6537 Users
Teakamamire no Fukushuu
Teakamamire no Fukushuu
NAN%
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  • Japanese Idols
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  • Twin Blowjob
  • Heroine with Sexual Experience
  • Lesbian Sex
Rating 6.5423 Users
Neko-nin exHeart SPIN!
Neko-nin exHeart SPIN!
NAN%
Tags
  • Catgirl Heroine
  • Kunoichi Heroine
  • Protagonist's Younger Sister as a Heroine
  • Otaku Heroine
  • Brocon Heroine
Rating 7.2947 Users
Hoshi no Otome to Rikka no Shimai
Hoshi no Otome to Rikka no Shimai
NAN%
Tags
  • Japanese Idols
  • Trap Protagonist
  • Trap on Female
  • All-girls School
  • Protagonist's Younger Sister as a Heroine
Rating 7.3667 Users
Hana wa Mijikashi, Odoreyo Otome
Hana wa Mijikashi, Odoreyo Otome
NAN%
Tags
  • Taishou Era
  • Actor/Actress Protagonist
  • European Heroine
  • Trap Protagonist
  • All-girls School
Rating 7.2949 Users
Amairo Chocolata 2
Amairo Chocolata 2
NAN%
Tags
  • Co-worker Support Character
  • Waiting Staff Protagonist
  • Kemonomimi Support Character
  • Track Display
  • Reiwa Era
Rating 7.59190 Users
Real Eroge Situation! DT
Real Eroge Situation! DT
NAN%
Tags
  • Siscon Support Character
  • Extremely (un)Lucky Protagonist
  • Smoker Heroine
  • Student Council President Heroine
  • Highly Animated Sprites
Rating 7.3823 Users
Hajimeru Sekai no Risouron -goodbye world index-
Hajimeru Sekai no Risouron -goodbye world index-
NAN%
Tags
  • Heroine from a Different World
  • Protagonist from a Different World
  • Haraguro Heroine
  • Hotblooded Heroine
  • Unlockable Sexual Content
Rating 7.6479 Users
Uchi no Aruji wa Youkai no Joushiki o Shiranai
Uchi no Aruji wa Youkai no Joushiki o Shiranai
NAN%
Tags
  • Oni Heroine
  • Butler Protagonist
  • Youkai
  • Succubus Heroine
  • Western-style Manor
Rating 7.0447 Users
Madohi Shiroki no Kamikakushi
Madohi Shiroki no Kamikakushi
NAN%
Tags
  • Track Display
  • Japanese Mythology
  • Goddess Heroine
  • Backlog Jump
  • Alternate Dimensions
Rating 7.2463 Users
Akumade, Kore wa ~ no Monogatari
Akumade, Kore wa ~ no Monogatari
NAN%
Tags
  • Programmer Heroine
  • Summer
  • Actress Heroine
  • Multiple Route Mystery
  • Built-in Flowchart
Rating 6.9228 Users
Wakaba-iro no Quartet
Wakaba-iro no Quartet
NAN%
Tags
  • Kemonomimi Heroine
  • Lazy Heroine
  • Kemonomimi Support Character
  • Oppai Loli Heroine
  • Transfer Student Heroine
Rating 7.3160 Users
Kira☆Kano
Kira☆Kano
NAN%
Tags
  • Online Streamer Protagonist
  • Online Streamer Heroine
  • Virtual Youtubers
  • Gyaru Heroine
  • Highly Animated Sprites
Rating 6.8427 Users
Nekotsuku, Sakura.
Nekotsuku, Sakura.
NAN%
Tags
  • Possession
  • Slice of Life Comedy
  • Tailjob
  • Heroine with Flat Chest (Non-Loli)
  • Armpit Sex
Rating 7.3851 Users
Yorite Konoha wa Kurenai ni
Yorite Konoha wa Kurenai ni
NAN%
Tags
  • Kemonomimi
  • Kemonomimi Heroine
  • Protagonist's Full Sister as a Heroine
  • Tsukkomi Protagonist
  • Rabbitgirl Heroine
Rating 7.6388 Users
Princess ☆ Sisters! ~Yon Shimai wa Zen
Princess ☆ Sisters! ~Yon Shimai wa Zen'in Anata no Iinazuke~
NAN%
Tags
  • Varying Ending Songs
  • Single Buttjob
  • Single Footjob
  • Intercrural Sex
  • Early Sexual Content
Rating 7.0120 Users
Kanojo ga Myuu Datta Baai ~Oshiego Vampire no Ama Toro Reizoku Choukyou~
Kanojo ga Myuu Datta Baai ~Oshiego Vampire no Ama Toro Reizoku Choukyou~
NAN%
Tags
  • Protagonist as the Only Male
  • Erotic Mind Control
  • Full Chastity Belt
  • Shoejob
  • Kneepit Sex
Rating 6.6822 Users
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
NAN%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 6.9921 Users
Osananajimi no Iru Kurashi
Osananajimi no Iru Kurashi
NAN%
Tags
  • Pillow Talk
  • Nursing Handjob
  • Kinetic Novel
  • Kissing Scene
  • Heroine with Huge Breasts
Rating 7.1153 Users
Unless Terminalia
Unless Terminalia
NAN%
Tags
  • Jump to Next Scene
  • Jump to Prior Scene
  • Jump to Prior Choices
  • Invisibility
  • Jump to Next Choice
Rating 7.3471 Users
Toshiue Kanojo no Amayaka Dousei
Toshiue Kanojo no Amayaka Dousei
NAN%
Tags
  • Pillow Talk
  • Only Older Heroines
  • Heroine with Kimono
  • Heroine with Beauty Mark
  • University Student Heroine
Rating 7.2634 Users
Amairo Chocolata 3
Amairo Chocolata 3
NAN%
Tags
  • Baker Heroine
  • Waiting Staff Protagonist
  • Doggirl Heroine
  • Track Display
  • Shopkeeper Heroine
Rating 7.6860 Users
Boku to Kanojo no Kojin Lesson 2
Boku to Kanojo no Kojin Lesson 2
NAN%
Tags
  • Insomnia
  • Student-Teacher Romance
  • Only Older Heroines
  • Secret Romance
  • Unlockable Sexual Content
Rating 7.7329 Users
Shin
Shin'en no Labyrinthos
NAN%
Tags
  • Roguelike
  • Amnesiac Protagonist
  • Talking Object
  • New Game Plus
  • Nun Heroine
Rating 6.8630 Users
Arcana Alchemia
Arcana Alchemia
55%
Tags
  • Alchemy
  • Homunculus Heroine
  • Oppai Loli Heroine
  • Kemonomimi Heroine
  • Group of Friends
Rating 7.6439 Users
Yumahorome ~Toki o Tometa Yakata de Asu o Sagasu Maigo-tachi~
Yumahorome ~Toki o Tometa Yakata de Asu o Sagasu Maigo-tachi~
44%
Tags
  • Time Stop
  • Track Display
  • Unlockable Routes
  • Memory Alteration
  • Heroine with Inverted Nipples
Rating 7.3145 Users
Nekotsuku, Sakura.
Nekotsuku, Sakura.
41%
Tags
  • Possession
  • Slice of Life Comedy
  • Tailjob
  • Heroine with Flat Chest (Non-Loli)
  • Armpit Sex
Rating 7.3851 Users
Kira☆Kano
Kira☆Kano
39%
Tags
  • Online Streamer Protagonist
  • Online Streamer Heroine
  • Virtual Youtubers
  • Gyaru Heroine
  • Highly Animated Sprites
Rating 6.8427 Users
Wakaba-iro no Quartet
Wakaba-iro no Quartet
38%
Tags
  • Kemonomimi Heroine
  • Lazy Heroine
  • Kemonomimi Support Character
  • Oppai Loli Heroine
  • Transfer Student Heroine
Rating 7.3160 Users
Madohi Shiroki no Kamikakushi
Madohi Shiroki no Kamikakushi
36%
Tags
  • Track Display
  • Japanese Mythology
  • Goddess Heroine
  • Backlog Jump
  • Alternate Dimensions
Rating 7.2463 Users
Akumade, Kore wa ~ no Monogatari
Akumade, Kore wa ~ no Monogatari
35%
Tags
  • Programmer Heroine
  • Summer
  • Actress Heroine
  • Multiple Route Mystery
  • Built-in Flowchart
Rating 6.9228 Users
Hajimeru Sekai no Risouron -goodbye world index-
Hajimeru Sekai no Risouron -goodbye world index-
32%
Tags
  • Heroine from a Different World
  • Protagonist from a Different World
  • Haraguro Heroine
  • Hotblooded Heroine
  • Unlockable Sexual Content
Rating 7.6479 Users
Uchi no Aruji wa Youkai no Joushiki o Shiranai
Uchi no Aruji wa Youkai no Joushiki o Shiranai
31%
Tags
  • Oni Heroine
  • Butler Protagonist
  • Youkai
  • Succubus Heroine
  • Western-style Manor
Rating 7.0447 Users
Princess ☆ Sisters! ~Yon Shimai wa Zen
Princess ☆ Sisters! ~Yon Shimai wa Zen'in Anata no Iinazuke~
31%
Tags
  • Varying Ending Songs
  • Single Buttjob
  • Single Footjob
  • Intercrural Sex
  • Early Sexual Content
Rating 7.0120 Users
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
30%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 6.9921 Users
Unless Terminalia
Unless Terminalia
30%
Tags
  • Jump to Next Scene
  • Jump to Prior Scene
  • Jump to Prior Choices
  • Invisibility
  • Jump to Next Choice
Rating 7.3471 Users
Amairo Chocolata 3
Amairo Chocolata 3
29%
Tags
  • Baker Heroine
  • Waiting Staff Protagonist
  • Doggirl Heroine
  • Track Display
  • Shopkeeper Heroine
Rating 7.6860 Users
Shin
Shin'en no Labyrinthos
29%
Tags
  • Roguelike
  • Amnesiac Protagonist
  • Talking Object
  • New Game Plus
  • Nun Heroine
Rating 6.8630 Users
Sora no Ao to Shiro to / Mabataki no Natsu
Sora no Ao to Shiro to / Mabataki no Natsu
28%
Tags
  • Writer Protagonist
  • Nursing Handjob
  • Pure Love Story
  • Energetic Heroine
  • Pillow Talk
Rating 7.1420 Users
Tayutama 2 -After Stories-
Tayutama 2 -After Stories-
28%
Tags
  • Anthology
  • Kemonomimi Heroine
  • Festival
  • Kitsune Heroine
  • Goddess Heroine
Rating 7.2332 Users
Namaiki Yume-chan wa Onii to Mechakucha H Shitai!
Namaiki Yume-chan wa Onii to Mechakucha H Shitai!
27%
Tags
  • Gyaru Heroine
  • Protagonist's Cousin as a Heroine
  • Imouto-type Heroine
  • Deredere Heroine
  • Teacher Protagonist
Rating 6.8927 Users
Neko to Wakai Seyo!
Neko to Wakai Seyo!
27%
Tags
  • Dormitory Manager Heroine
  • Popular Protagonist
  • Milking (Sexual)
  • Protagonist's Twin as a Heroine
  • School Dormitory
Rating 6.8769 Users
Tsuki no Shoujo - Bishoujo Gakuen 2 -
Tsuki no Shoujo - Bishoujo Gakuen 2 -
27%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Soapy Massage
  • Reverse Missionary
Rating 7.5125 Users
Tonari ni Kanojo no Iru Shiawase ~Curious Queen~
Tonari ni Kanojo no Iru Shiawase ~Curious Queen~
26%
Tags
  • Naked Sprites
  • Only a Single Heroine
  • High School Student Heroine
  • Heroine with Big Breasts
  • Sexual Content
Rating 6.0825 Users
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
26%
Tags
  • Reverse Netorase
  • Lazy Heroine
  • Inventor Heroine
  • Wedding
  • European Heroine
Rating 6.9040 Users
Koi to H Shika Shiteinai!
Koi to H Shika Shiteinai!
26%
Tags
  • Pure Love Story
  • Short Common Route
  • Only Good Endings
  • Gyaru Heroine
  • Under the Same Roof
Rating 6.7925 Users
Shin Koihime † Eiyuutan 5 ~Otome Enran ☆ Sangokushi Engi [Gi]~
Shin Koihime † Eiyuutan 5 ~Otome Enran ☆ Sangokushi Engi [Gi]~
26%
Tags
  • Three Kingdoms
  • Pragmatic Heroine
  • Bokukko Heroine
  • Genius Heroine
  • Promiscuous Heroine
Rating 7.1221 Users
Asahi to One Room ~Toaru Natsu no Ichinichi~
Asahi to One Room ~Toaru Natsu no Ichinichi~
26%
Tags
  • Bathroom Sex
  • Sex with Protagonist Only
  • Single Blowjob
  • High School Student Heroine
  • Vaginal Fingering
Rating 7.1041 Users

Haruka Ao no Hanayome ni 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 (21 total)

NameScoreImportanceWeight
Underwater3.002.868.58
Kemonomimi Heroine3.001.925.76
Palace2.002.855.70
Interracial/interspecies Romance2.002.204.40
Long Common Route2.002.114.21
Few Choices3.001.333.98
Hero(ine) Selection2.001.933.85
Pure Love Story2.001.853.70
Princess Heroine2.001.763.52
Maid Heroine2.001.533.06
Super Deformed CG's2.001.523.03
Under the Same Roof2.001.272.54
Protagonist's Childhood Friend as a Heroine2.001.142.28
Sex with Protagonist Only2.001.132.26
Only Virgin Heroines2.001.082.16
Protagonist's Sister as a Support Character1.002.092.09
Single Footjob1.501.372.06
Heroine with Big Breasts2.000.841.68
Legwear Footjob1.001.621.62
Male Protagonist3.000.300.90
ADV3.000.140.43

Traits (106 total)

NameCharactersImportanceWeight
Sex with Protagonist Only Engages in (Sexual)41.682.70
Panic Disorder Subject of13.822.65
Unusual Hair Ornaments Clothes31.872.60
Trident Items13.572.47
Crown Princess Role13.562.47
Kemonomimi Body31.772.45
Bathroom Sex Engages in (Sexual)41.392.23
Low Alcohol Tolerance Body13.222.23
Furry Tail Body22.032.22
Cheerful Personality21.741.91
Workaholic Personality12.691.86
Queen Regnant Role12.601.80
Naked Shirt Clothes12.511.74
Nursing Handjob Engages in (Sexual)12.501.73
Sports Swimsuit Clothes12.491.72
Armpit Sex Engages in (Sexual)12.481.72
School Swimming Club Member Role12.451.70
Baby-doll Clothes12.441.69
Legwear Footjob Engages in (Sexual)12.441.69
Lace Band Thigh-high Stockings Clothes12.441.69
Medium Breasts Body21.511.66
Weakness Subject of12.391.66
Wake-up Sex Engages in (Sexual)12.361.63
Blouse Clothes21.461.61
Younger Sister Role21.441.59
Eccentric Personality12.291.59
Watakushi Personality12.271.57
Masturbation Engages in (Sexual)21.391.53
Bookworm Personality12.161.50
Tail Body12.151.49
Boobjob Engages in (Sexual)31.071.48
Skirt Clothes21.341.47
Third Person Personality12.121.47
Ahoge Hair21.321.45
Princess Role12.001.38
Sixty-nine Engages in (Sexual)21.261.38
Cleaning Engages in11.991.38
Dress Clothes21.251.38
Virgin Sex Engages in (Sexual)40.851.37
Swimming Engages in11.961.36
Curious Personality11.921.33
Atashi Personality11.911.32
Cowgirl Subject of (Sexual)30.951.32
Timid Personality11.861.29
Doggy Style Subject of (Sexual)30.921.28
Maid Role11.841.27
Shoulder-length Hair30.921.27
Blunt Personality11.831.27
Younger Appearance Body11.821.26
Detached Sleeves Clothes11.821.26
Big Breasts Body21.131.24
Missionary Subject of (Sexual)21.121.23
Side Tail Hair11.751.21
Deredere Personality11.741.21
Footjob Engages in (Sexual)11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Reserved Personality11.711.19
Loyal Personality11.691.17
Sitting Sex Subject of (Sexual)21.061.17
Carefree Personality11.681.17
Shorts Clothes11.681.16
Protective Personality11.671.16
Spoons Subject of (Sexual)11.671.15
Crop Top Clothes11.661.15
Small Breasts Body11.661.15
Violet Eyes21.051.15
Relaxed Personality11.641.13
Maid's Headdress Clothes11.621.13
Shy Personality11.621.12
Vaginal Fingering Engages in (Sexual)11.621.12
Full Sister Role11.561.08
Older Sister Role11.561.08
Refined Personality11.541.07
Blowjob Engages in (Sexual)30.761.06
Blowjob Subject of (Sexual)11.521.05
Maid's Dress Clothes11.511.05
Orange Hair11.511.05
Choker Clothes11.501.04
Necklace Clothes11.501.04
Slim Body50.581.03
Serious Personality11.491.03
Seventh Posture Subject of (Sexual)11.461.01
Teen Body40.621.00
Cooking Engages in11.420.98
Hairpin Clothes11.400.97
Tominagi Subject of (Sexual)11.360.94
Not Sexually Involved Engages in (Sexual)11.350.94
White Hair11.330.92
Blue Eyes20.800.88
Sex in Public Places Engages in (Sexual)11.260.87
Childhood Friend Role11.260.87
Watashi Personality11.250.87
Red Eyes11.200.83
Blue Hair11.190.83
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.81
Butterfly Subject of (Sexual)11.170.81
Outdoor Sex Engages in (Sexual)11.160.80
Glasses Clothes11.080.75
Sidehair Hair10.980.68
Pale Body50.370.66
Waist Length+ Hair10.810.56
Black Hair10.800.56
Young-adult Body10.760.53
Brown Hair10.680.47
Short Hair10.610.42