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Summary

"This mail was sent from the future..." Winter, year 2045. Kirishima Reiichi, who belongs to the AI research club, had finally succeed in developing an artificial intelligence called "Apeiria". Using the functions of Apearia, he made the technology called "VRMMO" -- the virtual world, which is a fusion of magic, science and all those things from the books. However, VRRMMO was a dangerous game with no control. Unfortunately, Apeiria was captured in the virtual world. Now the protagonist and his friends -- his step sister Miu, a rude girl with no friends, his kouhai Mashiro, which wants to be his "slave" and Kuon, a girl with a kind personality, who had chuunibyou syndrome two years ago have to rescue Apeiria from the virtual world. This is story about love, youth and science.

Amatsutsumi
Amatsutsumi
NAN%
Tags
  • Ladder Structure
  • Defloration During Common Route
  • Protagonist's Fiancee as a Heroine
  • Backlog Jump
  • Heroine with Inverted Nipples
Rating 7.73529 Users
Butterfly Seeker ~Chaos Nightmare~
Butterfly Seeker ~Chaos Nightmare~
NAN%
Tags
  • Butterflies
  • Gyaru Heroine
  • Detective Work
  • Genius Heroine
  • Late Sexual Content
Rating 6.6633 Users
Shukusei no Girlfriend 3 -The Destiny Star of Girlfriend-
Shukusei no Girlfriend 3 -The Destiny Star of Girlfriend-
NAN%
Tags
  • System Time Events
  • Pure Love Story
  • Heroine with Bodystocking
  • Single Ending
  • Demons
Rating 6.9367 Users
Aki Uso -The Only Neat Thing To Do-
Aki Uso -The Only Neat Thing To Do-
NAN%
Tags
  • Autumn
  • Student Club President Protagonist
  • Vampire Heroine
  • Student Club
  • Heroine with a Fang
Rating 6.6667 Users
Tokeijikake no Ley Line -Zan
Tokeijikake no Ley Line -Zan'ei no Yoru ga Akeru Toki-
NAN%
Tags
  • Clock Tower
  • Ladder Structure
  • Alchemy
  • Butler Support Character
  • Library
Rating 7.86464 Users
Hentai Prison
Hentai Prison
NAN%
Tags
  • Bald Protagonist
  • Prison
  • Fictional Modern Day Japanese Island
  • Yakuza Heroine
  • Voice Saving
Rating 8.18159 Users
Kimi to Mezameru Ikutsuka no Houhou
Kimi to Mezameru Ikutsuka no Houhou
NAN%
Tags
  • Robots
  • Near Future
  • Technician Protagonist
  • Crippled Heroine
  • Close-up CGs
Rating 6.7639 Users
Aoi Tori
Aoi Tori
NAN%
Tags
  • Priest(ess) Protagonist
  • Protagonist's Twin as a Heroine
  • Timid Heroine
  • Track Display
  • Heroine with Pre-story Virginity Loss to the Protagonist
Rating 7.53207 Users
Kami no Ue no Mahoutsukai
Kami no Ue no Mahoutsukai
NAN%
Tags
  • Library
  • Hikikomori Heroine
  • Bookworm Protagonist
  • Passage of Time
  • Bookworm Heroine
Rating 7.77249 Users
Sen no Hatou, Tsukisome no Kouki
Sen no Hatou, Tsukisome no Kouki
NAN%
Tags
  • Ladder Structure
  • Officer Heroine
  • Inter-class Romance
  • Fighting Princess Heroine
  • Track Display
Rating 7.54300 Users
Tsukikage no Simulacre
Tsukikage no Simulacre
NAN%
Tags
  • System Time Events
  • Suspense
  • Traditionalist Family
  • Built-in Flowchart
  • Western-style Manor
Rating 7.38243 Users
Sorceress * Alive! ~the World
Sorceress * Alive! ~the World's End Fallen Star~
NAN%
Tags
  • Tournament
  • Magic School
  • Genre Savvy Protagonist
  • Magic/ESP Combat
  • Mage Heroine
Rating 7.49162 Users
Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka?
Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka?
NAN%
Tags
  • On the Run
  • Heroine with Expressive Ahoge
  • Island
  • Rebellion
  • Resort
Rating 7.81378 Users
Amazing Grace -What color is your attribute?-
Amazing Grace -What color is your attribute?-
NAN%
Tags
  • Ladder Structure
  • Artist Heroine
  • Painter Heroine
  • Time Loop
  • School Festival
Rating 7.32128 Users
Kotonoha Maichiru Natsu no Koe
Kotonoha Maichiru Natsu no Koe
NAN%
Tags
  • Crippled Heroine
  • Seiyuu Heroine
  • Student Club Member Heroine
  • Laid-back Heroine
  • Competition
Rating 7.0760 Users
Tokeijikake no Ley Line -Asagiri ni Chiru Hana-
Tokeijikake no Ley Line -Asagiri ni Chiru Hana-
NAN%
Tags
  • Ladder Structure
  • Reverse Trap Support Character
  • Homunculus Support Character
  • Sacred Treasure
  • Librarian Heroine
Rating 7.85292 Users
Deatte 5-fun wa Ore no Mono! Jikan Teishi to Atropos
Deatte 5-fun wa Ore no Mono! Jikan Teishi to Atropos
NAN%
Tags
  • Time Stop
  • Pure Love Story
  • Slice of Life Comedy
  • Bookworm Heroine
  • Nursing Handjob
Rating 7.21189 Users
Hatsuyuki Sakura
Hatsuyuki Sakura
NAN%
Tags
  • Serious Protagonist
  • Multiple Opening Movies
  • Winter
  • Group of Friends
  • Student Club Member Protagonist
Rating 8.08700 Users
Kanzume Shoujo no Shuumatsu Sekai
Kanzume Shoujo no Shuumatsu Sekai
NAN%
Tags
  • Natural Disaster
  • Apocalypse
  • Ladder Structure
  • Government
  • Enforced Playing Order
Rating 6.8150 Users
Suisou Ginka no Istoria
Suisou Ginka no Istoria
NAN%
Tags
  • Casino
  • Long Common Route
  • Intrigue
  • Only One Bad Ending
  • Health Issues
Rating 7.22143 Users
Harumade, Kururu.
Harumade, Kururu.
NAN%
Tags
  • Protagonist as the Only Male
  • Date Display
  • Spring
  • Bokukko Heroine
  • Slice of Life
Rating 7.31226 Users
Sakura no Uta -Sakura no Mori no Ue o Mau-
Sakura no Uta -Sakura no Mori no Ue o Mau-
NAN%
Tags
  • Family Feud
  • Cherry Blossom
  • Varying Ending Songs
  • Painter Heroine
  • Painter Protagonist
Rating 8.68865 Users
Haru to Yuki,
Haru to Yuki,
NAN%
Tags
  • Heroine with Flat Chest (Non-Loli)
  • Onsen
  • Cosplay
  • Sexual Cosplay
  • Ghost Support Character
Rating 6.8852 Users
Mirai Radio to Jinkou-bato
Mirai Radio to Jinkou-bato
NAN%
Tags
  • Twitter
  • Birds
  • Technician Protagonist
  • Unlockable Event
  • Post Apocalyptic Earth
Rating 7.32155 Users
Hikari no Umi no Apeiria ~Casablanca no Kishi~
Hikari no Umi no Apeiria ~Casablanca no Kishi~
49%
Tags
  • Confinement in a Simulated Reality
  • Virtual Reality
  • Time Loop
  • Protagonist with Partial Voice Acting
  • Dragon
Rating 6.7753 Users
Butterfly Seeker
Butterfly Seeker
31%
Tags
  • Butterflies
  • Detective Work
  • Murder Mystery
  • ESP
  • Heroine with a Fang
Rating 7.0485 Users
Amazing Grace -What color is your attribute?-
Amazing Grace -What color is your attribute?-
31%
Tags
  • Ladder Structure
  • Artist Heroine
  • Painter Heroine
  • Time Loop
  • School Festival
Rating 7.32128 Users
Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka?
Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka?
29%
Tags
  • On the Run
  • Heroine with Expressive Ahoge
  • Island
  • Rebellion
  • Resort
Rating 7.81378 Users
Sorceress * Alive! ~the World
Sorceress * Alive! ~the World's End Fallen Star~
27%
Tags
  • Tournament
  • Magic School
  • Genre Savvy Protagonist
  • Magic/ESP Combat
  • Mage Heroine
Rating 7.49162 Users
Sen no Hatou, Tsukisome no Kouki
Sen no Hatou, Tsukisome no Kouki
26%
Tags
  • Ladder Structure
  • Officer Heroine
  • Inter-class Romance
  • Fighting Princess Heroine
  • Track Display
Rating 7.54300 Users
Tsukikage no Simulacre
Tsukikage no Simulacre
25%
Tags
  • System Time Events
  • Suspense
  • Traditionalist Family
  • Built-in Flowchart
  • Western-style Manor
Rating 7.38243 Users
Aoi Tori
Aoi Tori
25%
Tags
  • Priest(ess) Protagonist
  • Protagonist's Twin as a Heroine
  • Timid Heroine
  • Track Display
  • Heroine with Pre-story Virginity Loss to the Protagonist
Rating 7.53207 Users
Kami no Ue no Mahoutsukai
Kami no Ue no Mahoutsukai
24%
Tags
  • Library
  • Hikikomori Heroine
  • Bookworm Protagonist
  • Passage of Time
  • Bookworm Heroine
Rating 7.77249 Users
Tokeijikake no Ley Line -Asagiri ni Chiru Hana-
Tokeijikake no Ley Line -Asagiri ni Chiru Hana-
24%
Tags
  • Ladder Structure
  • Reverse Trap Support Character
  • Homunculus Support Character
  • Sacred Treasure
  • Librarian Heroine
Rating 7.85292 Users
Hatsuyuki Sakura
Hatsuyuki Sakura
24%
Tags
  • Serious Protagonist
  • Multiple Opening Movies
  • Winter
  • Group of Friends
  • Student Club Member Protagonist
Rating 8.08700 Users
Suisou Ginka no Istoria
Suisou Ginka no Istoria
24%
Tags
  • Casino
  • Long Common Route
  • Intrigue
  • Only One Bad Ending
  • Health Issues
Rating 7.22143 Users
Sakura no Uta -Sakura no Mori no Ue o Mau-
Sakura no Uta -Sakura no Mori no Ue o Mau-
23%
Tags
  • Family Feud
  • Cherry Blossom
  • Varying Ending Songs
  • Painter Heroine
  • Painter Protagonist
Rating 8.68865 Users
Mirai Radio to Jinkou-bato
Mirai Radio to Jinkou-bato
23%
Tags
  • Twitter
  • Birds
  • Technician Protagonist
  • Unlockable Event
  • Post Apocalyptic Earth
Rating 7.32155 Users
Sakura no Kumo * Scarlet no Koi
Sakura no Kumo * Scarlet no Koi
23%
Tags
  • Past Tokyo
  • Natural Disaster
  • Taishou Era
  • Private Detective Protagonist
  • Phantom Thieves
Rating 7.58135 Users
Mono no Aware wa Sai no Koro.
Mono no Aware wa Sai no Koro.
23%
Tags
  • Extremely (un)Lucky Protagonist
  • Battle of Wits
  • Battle Royale
  • Autumn
  • Homemaker Protagonist
Rating 7.2246 Users
Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka? 2
Nukige Mitai na Shima ni Sunderu Watashi wa Dou Surya Ii Desu ka? 2
23%
Tags
  • Sniper Heroine
  • Combat with Exotic Weapons
  • Discipline Committee Leader Heroine
  • Onahole
  • Double Dildos
Rating 7.92182 Users
Nora to Oujo to Noraneko Heart 2
Nora to Oujo to Noraneko Heart 2
23%
Tags
  • Butler Heroine
  • Racing Game
  • Voiced Narration
  • Shinigami Heroine
  • Shapeshifting
Rating 7.88373 Users
Nora to Oujo to Noraneko Heart
Nora to Oujo to Noraneko Heart
23%
Tags
  • Discipline Committee Member Heroine
  • Undead Heroine
  • Voiced Narration
  • Non-human Heroine
  • Shapeshifting
Rating 7.56736 Users
Tsuki ni Yorisou Otome no Sahou
Tsuki ni Yorisou Otome no Sahou
23%
Tags
  • Design Story
  • European Heroine
  • Competition
  • Maid Protagonist
  • Half-Japanese Protagonist
Rating 7.76487 Users
Aiyoku no Eustia
Aiyoku no Eustia
22%
Tags
  • Slums
  • Ladder Structure
  • Religious Heroine
  • Dual Wielding Daggers
  • Assassin Protagonist
Rating 8.431,271 Users
Karenai Sekai to Owaru Hana
Karenai Sekai to Owaru Hana
22%
Tags
  • Non-twin Heroine Sisters
  • Nakige
  • Flashback
  • Drama
  • Few Choices
Rating 7.33200 Users
Re: LieF ~Shin
Re: LieF ~Shin'ainaru Anata e~
22%
Tags
  • Lazy Heroine
  • Only Avoidable Sexual Content
  • Cherry Blossom
  • Island
  • Spring
Rating 7.24233 Users
Kizuna Kirameku Koi Iroha
Kizuna Kirameku Koi Iroha
22%
Tags
  • Protagonist with Heterochromia
  • Technician Protagonist
  • Tournament
  • Clothed Boobjob
  • Future Japan
Rating 7.30267 Users

Hikari no Umi no Apeiria 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 (79 total)

NameScoreImportanceWeight
Artificial Intelligence2.862.376.77
Hard Science Fiction2.502.556.38
Virtual Reality2.832.226.29
Science Fantasy2.752.276.23
Battle of Wits2.502.305.74
Sex Under the Necessity3.001.915.72
Student Club President Protagonist2.002.825.65
AI Heroine2.172.465.33
Chuunibyou Heroine2.002.464.92
Future Japan2.002.304.61
Student Club Member Heroine2.002.214.42
Gamer Heroine2.002.194.38
Infodumping2.002.174.33
Perverted Protagonist2.601.654.28
Philosophy2.002.124.24
Imouto-type Heroine2.501.674.18
Single Ending3.001.364.08
Protagonist with Partial Voice Acting2.001.913.82
Masturbation in front of an Audience2.001.833.65
White Haired Heroine2.251.593.57
Tribadism on Penis2.001.783.57
Bokukko Heroine2.001.783.56
Multiple Route Mystery2.001.783.55
Oneesan-type Heroine2.001.743.47
Classic Tsundere Heroine2.001.663.32
Few Choices2.501.313.26
Protagonist's Kouhai as a Heroine2.001.583.17
Central Heroine1.751.763.08
Winter1.671.843.07
Non-blood-related Brother/Sister Incest2.001.513.03
Brother/Sister Romance2.001.502.99
Protagonist's Non-blood-related Sister as a Heroine2.001.482.96
Mystery2.251.292.89
Pissing2.001.422.85
Kissing Scene2.001.422.83
Nanomachines1.002.782.78
Magic1.751.412.46
Twin Blowjob2.001.232.45
Protagonist's Younger Sister as a Heroine2.001.222.43
Comedy2.251.062.39
Ball-cupping1.002.352.35
High School Student Protagonist2.001.172.34
High School2.001.142.28
Loli Heroine2.001.112.22
Sex with Protagonist Only2.001.102.20
Sitting Sex2.000.991.98
Standing Sex2.000.991.98
Heroine with Big Breasts2.000.961.92
Outdoor Sex2.000.931.86
Otaku Heroine1.001.811.81
Cunnilingus2.000.881.76
Adult Breast Feeding1.001.711.71
Airhead Heroine1.001.711.71
Group Sex of One Male and Several Females2.000.851.70
Forbidden Love1.001.691.69
Twin Boobjob1.001.631.63
High School Student Heroine2.000.821.63
Sexual Blindfold1.001.471.47
Doggy Style2.000.731.46
Spoons1.001.431.43
Straight Lolicon1.001.421.42
Defloration2.000.691.38
Protagonist with a Face1.750.661.16
Bathroom Sex1.001.141.14
Anal Sex1.001.141.14
Romance1.330.851.14
Single Boobjob1.001.131.13
Quickie Fix Position1.001.051.05
Sex in Public Places1.001.021.02
Sixty-nine1.001.011.01
Single Blowjob1.000.890.89
Parody0.501.780.89
Branching Plot0.671.200.80
Early Sexual Content0.671.160.78
Cowgirl1.000.770.77
Male Protagonist2.000.290.59
High Sexual Content0.500.960.48
ADV2.000.170.34
Student Heroine0.330.900.30

Traits (159 total)

NameCharactersImportanceWeight
Tribadism on Penis Engages in (Sexual)42.063.31
Gamer Role42.023.25
Coder Role22.833.11
School Extraordinary Club Member Role22.582.84
Loafers Clothes41.732.79
Masturbation in front of an Audience Engages in (Sexual)31.952.70
Smart Personality51.502.69
Classic Tsundere Personality22.362.60
Scientist Role22.282.50
Ghost Member of School Club Role13.482.41
Non-blood-related Incest Engages in (Sexual)22.172.38
Twin Blowjob Engages in (Sexual)41.422.28
School Extraordinary Club President Role13.202.22
Group Sex of One Male and Several Females Engages in (Sexual)51.232.21
Curious Personality21.992.18
Short-tempered Personality21.882.06
Multiple Tails Hair12.972.06
Rifle Items12.962.06
Plate Armor Clothes21.862.04
Outdoor Sex Engages in (Sexual)51.132.03
Friend Role41.252.00
Reverse Spitroast Subject of (Sexual)21.822.00
Ball-cupping Subject of (Sexual)12.882.00
Tribadism on Penis Subject of (Sexual)12.861.98
Proactive Personality21.801.98
Chuunibyou Personality12.831.96
Lab Coat Clothes21.781.95
Mischievous Personality21.771.94
Title Character Role12.791.93
Step Brother Role12.751.91
Twin Boobjob Engages in (Sexual)21.731.90
Anal Sex Subject of (Sexual)41.161.87
Grumbler Personality12.681.86
Stoic Personality21.691.86
Twin Boobjob Subject of (Sexual)12.661.85
Butterfly Subject of (Sexual)41.151.85
Reverse Spitroast Engages in (Sexual)12.631.82
Coward Personality12.591.80
Holds Grudges Personality12.571.78
Artificial Intelligence Role12.571.78
Widower Role12.561.78
Rope Bondage Engages in (Sexual)12.561.78
Puffy Personality12.481.72
Sexual Harassment Engages in12.451.70
Kind Personality41.051.69
Step Sister Role12.421.67
Stockings Clothes12.401.66
Obedient Personality12.401.66
Serious Personality21.501.65
Ball-cupping Engages in (Sexual)12.381.65
Teasing Engages in21.501.65
Bald Hair12.361.63
Twin Blowjob Subject of (Sexual)12.331.62
Cunnilingus Subject of (Sexual)31.161.61
Coodere Personality12.311.60
V Bangs Hair21.421.56
Spoons Engages in (Sexual)12.241.55
Bondage Sex Engages in (Sexual)12.241.55
Sexual Harassment Subject of12.231.54
Public Masturbation Engages in (Sexual)12.231.54
Flustered Personality12.211.53
Bathroom Sex Engages in (Sexual)21.381.51
Adult Body21.371.51
Mask Clothes12.161.50
Lonely Role12.161.49
Sly Personality12.091.45
Doggy Style Subject of (Sexual)40.901.44
Nurse's Cap Clothes12.071.43
Suspension Bondage Subject of (Sexual)12.071.43
Butterfly Engages in (Sexual)12.061.42
Amber Eyes31.011.40
Cold-hearted Personality11.991.38
Sex in Public Places Engages in (Sexual)21.251.38
Funny Personality11.981.37
Friendly Personality21.241.36
Strange Personality11.961.36
Beard Hair11.941.34
Low Self-esteem Personality11.941.34
Sixty-nine Engages in (Sexual)21.221.34
Red Eyes21.191.31
Fingerless Gloves Clothes11.891.31
Quickie Fix Engages in (Sexual)11.891.31
Villain Role11.881.31
Standing Sex Engages in (Sexual)11.881.30
Antagonist Role11.871.30
Boobjob Subject of (Sexual)11.861.29
Moustache Hair11.861.29
Honest Personality11.841.28
Pretending Personality11.831.27
Standing Sex Subject of (Sexual)21.151.26
High School Student Role40.781.26
Murder Engages in11.821.26
Sitting Sex Engages in (Sexual)11.821.26
Confident Personality11.791.24
Boku Personality11.791.24
Protective Personality11.761.22
Anal Sex Engages in (Sexual)11.761.22
Handjob Subject of (Sexual)11.761.22
Loyal Personality11.741.21
Missionary Engages in (Sexual)11.741.20
Teasing Subject of11.731.20
Older Brother Role11.731.20
Blowjob Engages in (Sexual)40.741.20
Long Hair40.741.20
Missionary Subject of (Sexual)21.091.19
Cowgirl Engages in (Sexual)11.721.19
Mysterious Personality11.721.19
Side Tail Hair11.711.19
Father Role11.701.18
Short (obsolete) Body11.691.17
Doggy Style Engages in (Sexual)11.691.17
Pervert Personality11.671.16
Quickie Fix Subject of (Sexual)21.051.15
Boobjob Engages in (Sexual)21.051.15
Rope Bondage Subject of (Sexual)11.651.14
Spoons Subject of (Sexual)11.651.14
Sitting Sex Subject of (Sexual)21.021.13
Shy Personality11.621.12
Spiky Bangs Hair21.021.12
Mini-dress Clothes11.591.10
Garter Belt Stockings Clothes11.581.10
School Uniform Clothes40.681.10
Kouhai Role11.581.10
Thigh-high Stockings Clothes21.001.09
Cunnilingus Engages in (Sexual)11.581.09
Refined Personality11.571.09
Senpai Role11.571.09
Pendant Necklace Clothes11.551.08
Blowjob Subject of (Sexual)11.531.06
Straight Hair20.961.05
Bondage Sex Subject of (Sexual)11.511.05
Cowgirl Subject of (Sexual)20.931.02
Green Hair11.461.01
Pissing Engages in (Sexual)11.430.99
Hair Tie Clothes11.430.99
Younger Sister Role11.420.99
Blond Hair20.880.97
Hairpin Clothes11.370.95
Tsurime Eyes11.360.94
White Hair11.340.93
Tominagi Subject of (Sexual)11.340.93
Knee-high Socks Clothes11.340.93
Red Hair11.330.92
Fighting Engages in11.290.90
Virgin Sex Engages in (Sexual)20.800.88
Curtained Hair11.270.88
Slim Body40.540.88
Teen Body30.590.82
Violet Hair11.170.81
Handjob Engages in (Sexual)11.150.80
Ponytail Hair11.090.76
Tareme Eyes11.060.74
Violet Eyes11.020.70
Green Eyes11.000.70
Short Hair20.610.67
Pale Body40.370.60
Waist Length+ Hair10.770.54
Brown Hair10.670.47
50.000.00