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Summary

This is the fandisc for Hikari no Umi no Apeiria. Reiichi’s friend disappeared. After consulting with Sara and Nanami, he found out about the existence of an app called the Boundary II α system. He logged in once more to Second to solve the mystery of his friend’s log-in for over a month. This was the beginning of a new incident. He must find a way to log-out of the α system in which he was trapped, but he had forgotten everything about Apeiria… [From Hau~ Omochikaeri!]

Omoi o Sasageru Otome no Melody ~Afureru Omoi o Shirabe ni Nosete~
Omoi o Sasageru Otome no Melody ~Afureru Omoi o Shirabe ni Nosete~
NAN%
Tags
  • Musical Environment
  • Instrumentalist Heroine
  • Boarding School
  • Trap Protagonist
  • Crossover
Rating 7.5433 Users
Fuyu Uso -Snow World End-
Fuyu Uso -Snow World End-
NAN%
Tags
  • Student Club President Protagonist
  • White Haired Heroine
  • Winter
  • Student Club
  • ESP
Rating 7.7691 Users
Kizuna Kirameku Koi Iroha
Kizuna Kirameku Koi Iroha
NAN%
Tags
  • Protagonist with Heterochromia
  • Near Future
  • Technician Protagonist
  • Tournament
  • Voice Saving
Rating 7.50378 Users
Shinsou Noise ~Jushin Tantei no Jikenbo~
Shinsou Noise ~Jushin Tantei no Jikenbo~
NAN%
Tags
  • Heroine with Tan Lines
  • Spontaneous Sex Scenes
  • Protagonist with Superpowered Side
  • ESP
  • Teacher Support Character
Rating 7.62110 Users
Ren
Ren'ai, Karichaimashita - Emi & Hasumi Mini After Story
NAN%
Tags
  • Tsundere Protagonist
  • Restart from Chapter Index
  • Protagonist's Girlfriend as a Heroine
  • Pillow Talk
  • Protagonist's Sister as a Support Character
Rating 7.38126 Users
Mono no Aware wa Sai no Koro.
Mono no Aware wa Sai no Koro.
NAN%
Tags
  • Extremely (un)Lucky Protagonist
  • Battle of Wits
  • Battle Royale
  • Homemaker Protagonist
  • Competition
Rating 8.1669 Users
Suisei Ginka
Suisei Ginka
NAN%
Tags
  • Corporations
  • Hotblooded Protagonist
  • Brief Third-person Narrative Sections
  • Swimming Club
  • Reunion
Rating 7.1679 Users
Kanzume Shoujo no Shuumatsu Sekai
Kanzume Shoujo no Shuumatsu Sekai
NAN%
Tags
  • Natural Disaster
  • Apocalypse
  • Government
  • Enforced Playing Order
  • Ladder Structure
Rating 7.0565 Users
Aki Uso -The Only Neat Thing To Do-
Aki Uso -The Only Neat Thing To Do-
NAN%
Tags
  • Autumn
  • Student Club President Protagonist
  • Student Club
  • Vampire Heroine
  • Heroine with a Fang
Rating 7.0579 Users
Sorceress * Alive! ~the World
Sorceress * Alive! ~the World's End Fallen Star~
NAN%
Tags
  • Tournament
  • Genre Savvy Protagonist
  • Magic School
  • Magic/ESP Combat
  • Fighting Heroine
Rating 7.82213 Users
HajiLove -Making * Lovers- Mini Fandisk Vol.01 Sakurako & Yui Hen
HajiLove -Making * Lovers- Mini Fandisk Vol.01 Sakurako & Yui Hen
NAN%
Tags
  • Gyaru Heroine
  • Scenario Selection
  • Romance
  • Protagonist's Childhood Friend as a Heroine
  • Sex with Protagonist Only
Rating 7.0931 Users
Ren
Ren'ai, Karichaimashita - Tsubaki & Chinatsu & Konatsu Mini After Story
NAN%
Tags
  • Shimaidon with Twins Ending
  • Shimaidon with Twins
  • Imouto-type Heroine
  • Tsundere Protagonist
  • Restart from Chapter Index
Rating 7.0899 Users
Kotonoha Maichiru Natsu no Koe
Kotonoha Maichiru Natsu no Koe
NAN%
Tags
  • Crippled Heroine
  • Seiyuu Heroine
  • Student Club Member Heroine
  • Competition
  • Laid-back Heroine
Rating 7.5869 Users
Butterfly Seeker
Butterfly Seeker
NAN%
Tags
  • Butterflies
  • Heroine with Psychological Problems
  • Teacher Support Character
  • Detective Work
  • Murder Mystery
Rating 7.48115 Users
Kyokkou no Marriage
Kyokkou no Marriage
NAN%
Tags
  • Fictional World
  • Central Heroine
  • Fairy Heroine
  • Fighting Heroine
  • Unlockable Sexual Content
Rating 8.0864 Users
Furu Uso -Complete Four Seasons-
Furu Uso -Complete Four Seasons-
NAN%
Tags
  • Spring
  • Autumn
  • Winter
  • Summer
  • Sprite Viewer
Rating 6.8935 Users
Motto IxSHE Tell Ayaka & Yoshino Mini After Story
Motto IxSHE Tell Ayaka & Yoshino Mini After Story
NAN%
Tags
  • Clothed Boobjob
  • Student Council Member Heroine
  • Heroine with Swimsuits
  • Spoons
  • Ponytail Heroine
Rating 7.1747 Users
Cross Concerto
Cross Concerto
NAN%
Tags
  • Protagonist's Twin as a Heroine
  • Brother/Sister Romance
  • Dormitory Manager Heroine
  • Future Forecasting
  • Multiple Common Routes
Rating 7.5575 Users
Koishi Irodoru Seigiranman
Koishi Irodoru Seigiranman
NAN%
Tags
  • Superheroes
  • Boarding House
  • Superhero(ine) Protagonist
  • Superheroine
  • Has Window Transparency Setting
Rating 7.0329 Users
Kanojo to Ore no Koisome Dousei
Kanojo to Ore no Koisome Dousei
NAN%
Tags
  • Marriage Ending
  • Under the Same Roof
  • Protagonist's Childhood Friend as a Heroine
  • Handjob
  • Linear Plot
Rating 6.6737 Users
Aoi Tori
Aoi Tori
NAN%
Tags
  • Priest(ess) Protagonist
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Protagonist's Twin as a Heroine
  • Protagonist as the Only Male
  • Track Display
Rating 7.72505 Users
Zwei Trigger
Zwei Trigger
NAN%
Tags
  • Different Love Interest(s) Per Protagonist
  • Multiple Protagonists
  • Sickly Heroine
  • Thriller
  • Non-twin Heroine Sisters
Rating 6.6236 Users
Shion to One Room -Kizuna Kirameku Koi Iroha SS-
Shion to One Room -Kizuna Kirameku Koi Iroha SS-
NAN%
Tags
  • Near Future
  • Voice Saving
  • Future Japan
  • Slice of Life
  • Protagonist in Relationship
Rating 7.1550 Users
Bosei Kanojo 2 -Chisei Houkai Hen-
Bosei Kanojo 2 -Chisei Houkai Hen-
NAN%
Tags
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Pure Love Story
  • Only Protagonist's Relatives as Heroine(s)
  • Domicile
Rating 7.2244 Users
Hikari no Umi no Apeiria
Hikari no Umi no Apeiria
47%
Tags
  • Artificial Intelligence
  • Hard Science Fiction
  • Virtual Reality
  • Science Fantasy
  • Battle of Wits
Rating 7.90324 Users
Butterfly Seeker ~Chaos Nightmare~
Butterfly Seeker ~Chaos Nightmare~
29%
Tags
  • Butterflies
  • Gyaru Heroine
  • Detective Work
  • Late Sexual Content
  • Genius Heroine
Rating 7.1742 Users
Butterfly Seeker
Butterfly Seeker
27%
Tags
  • Butterflies
  • Heroine with Psychological Problems
  • Teacher Support Character
  • Detective Work
  • Murder Mystery
Rating 7.48115 Users
Kotonoha Maichiru Natsu no Koe
Kotonoha Maichiru Natsu no Koe
27%
Tags
  • Crippled Heroine
  • Seiyuu Heroine
  • Student Club Member Heroine
  • Competition
  • Laid-back Heroine
Rating 7.5869 Users
Ren
Ren'ai, Karichaimashita - Tsubaki & Chinatsu & Konatsu Mini After Story
25%
Tags
  • Shimaidon with Twins Ending
  • Shimaidon with Twins
  • Imouto-type Heroine
  • Tsundere Protagonist
  • Restart from Chapter Index
Rating 7.0899 Users
Sorceress * Alive! ~the World
Sorceress * Alive! ~the World's End Fallen Star~
24%
Tags
  • Tournament
  • Genre Savvy Protagonist
  • Magic School
  • Magic/ESP Combat
  • Fighting Heroine
Rating 7.82213 Users
HajiLove -Making * Lovers- Mini Fandisk Vol.01 Sakurako & Yui Hen
HajiLove -Making * Lovers- Mini Fandisk Vol.01 Sakurako & Yui Hen
24%
Tags
  • Gyaru Heroine
  • Scenario Selection
  • Romance
  • Protagonist's Childhood Friend as a Heroine
  • Sex with Protagonist Only
Rating 7.0931 Users
Kanzume Shoujo no Shuumatsu Sekai
Kanzume Shoujo no Shuumatsu Sekai
24%
Tags
  • Natural Disaster
  • Apocalypse
  • Government
  • Enforced Playing Order
  • Ladder Structure
Rating 7.0565 Users
Aki Uso -The Only Neat Thing To Do-
Aki Uso -The Only Neat Thing To Do-
23%
Tags
  • Autumn
  • Student Club President Protagonist
  • Student Club
  • Vampire Heroine
  • Heroine with a Fang
Rating 7.0579 Users
Furu Uso -Complete Four Seasons-
Furu Uso -Complete Four Seasons-
22%
Tags
  • Spring
  • Autumn
  • Winter
  • Summer
  • Sprite Viewer
Rating 6.8935 Users
Cross Concerto
Cross Concerto
22%
Tags
  • Protagonist's Twin as a Heroine
  • Brother/Sister Romance
  • Dormitory Manager Heroine
  • Future Forecasting
  • Multiple Common Routes
Rating 7.5575 Users
Kanojo to Ore no Koisome Dousei
Kanojo to Ore no Koisome Dousei
22%
Tags
  • Marriage Ending
  • Under the Same Roof
  • Protagonist's Childhood Friend as a Heroine
  • Handjob
  • Linear Plot
Rating 6.6737 Users
Zwei Trigger
Zwei Trigger
21%
Tags
  • Different Love Interest(s) Per Protagonist
  • Multiple Protagonists
  • Sickly Heroine
  • Thriller
  • Non-twin Heroine Sisters
Rating 6.6236 Users
Bosei Kanojo 2 -Chisei Houkai Hen-
Bosei Kanojo 2 -Chisei Houkai Hen-
21%
Tags
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Pure Love Story
  • Only Protagonist's Relatives as Heroine(s)
  • Domicile
Rating 7.2244 Users
Sen no Hatou, Tsukisome no Kouki -Hana Akari-
Sen no Hatou, Tsukisome no Kouki -Hana Akari-
21%
Tags
  • Protagonist with Voice Acting
  • More Than Seven Endings
  • Anthology
  • Scenario Selection
  • Protagonist with a Face
Rating 7.72102 Users
Haru Uso -Passing Memories-
Haru Uso -Passing Memories-
21%
Tags
  • Beauty Pageant
  • Spring
  • Student Club President Protagonist
  • Female Friend
  • Student Club
Rating 6.93114 Users
Pieces / Wataridori no Somnium
Pieces / Wataridori no Somnium
20%
Tags
  • Slice of Life Comedy
  • Dream
  • Singer Heroine
  • Perverted Friend
  • High School
Rating 7.64101 Users
Natsu Uso -Ahead of the Reminiscence-
Natsu Uso -Ahead of the Reminiscence-
20%
Tags
  • Student Club President Protagonist
  • Summer
  • Student Council Member Heroine
  • Beach
  • Nympho Heroine
Rating 7.1587 Users
Amazing Grace -What color is your attribute?-
Amazing Grace -What color is your attribute?-
20%
Tags
  • Tsukkomi Protagonist
  • Nude Modeling
  • Ladder Structure
  • Artist Heroine
  • School Dormitory
Rating 7.71349 Users
Sakura no Kumo * Scarlet no Koi
Sakura no Kumo * Scarlet no Koi
19%
Tags
  • Past Tokyo
  • Natural Disaster
  • Taishou Era
  • Private Detective Protagonist
  • Phantom Thieves
Rating 8.13315 Users
Yami to Hikari no Sanctuary
Yami to Hikari no Sanctuary
19%
Tags
  • Bodyguard Protagonist
  • Fictional Modern Day Japanese Island
  • Unlockable Sexual Content
  • Maid Support Character
  • Monster Hunter Protagonist
Rating 7.3349 Users
Aonatsu Line
Aonatsu Line
19%
Tags
  • Coming-of-Age Drama
  • Basketball
  • Male Friend
  • Forced Auto-Read Sections
  • Friendship
Rating 7.67254 Users
Bosei Kanojo -Shikyuu Kikan Hen-
Bosei Kanojo -Shikyuu Kikan Hen-
19%
Tags
  • Ejaculation Forewarner
  • Office Lady Heroine
  • Pure Love Story
  • Nursing Handjob
  • Ejaculation Choice
Rating 7.3891 Users
Kizuna Kirameku Koi Iroha -Tsubaki Renka-
Kizuna Kirameku Koi Iroha -Tsubaki Renka-
19%
Tags
  • Tournament
  • Fictional Island Near Futuristic Japan
  • Heroine with Demon Blood
  • Sword Wielding Heroine
  • Action
Rating 7.78196 Users

Hikari no Umi no Apeiria ~Casablanca no Kishi~ 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 (30 total)

NameScoreImportanceWeight
Confinement in a Simulated Reality2.502.746.84
Virtual Reality3.002.266.78
Time Loop3.001.995.97
Protagonist with Partial Voice Acting3.001.945.82
Dragon2.002.404.80
Science Fiction3.001.524.57
Gamer Heroine2.002.174.34
Amnesia2.501.724.30
Only Older Heroines2.002.104.19
Perverted Protagonist2.501.664.14
Spontaneous Power-ups1.502.694.04
Sword Wielding Protagonist2.001.993.98
Sword Combat2.001.923.84
Alternate Dimensions2.001.903.80
Sword Wielding Heroine2.001.833.66
Nurse Heroine2.001.803.61
Classic Tsundere Heroine2.001.723.44
Comedy2.501.112.77
Single Ending2.001.382.76
Few Choices2.001.342.67
Mystery2.001.312.62
Fantasy2.001.252.51
Sex with Protagonist Only2.001.132.26
Protagonist with Voice Acting1.501.362.04
Quickie Fix Position1.001.111.11
Missionary Position1.000.940.94
Male Protagonist3.000.300.91
Cowgirl1.000.840.84
Doggy Style1.000.800.80
ADV2.000.150.29

Traits (144 total)

NameCharactersImportanceWeight
Tribadism on Penis Engages in (Sexual)42.083.35
Gamer Role41.983.18
School Extraordinary Club Member Role22.612.87
Loafers Clothes41.712.76
Masturbation in front of an Audience Engages in (Sexual)31.902.64
Classic Tsundere Personality22.402.63
Ghost Member of School Club Role13.522.44
Non-blood-related Incest Engages in (Sexual)22.162.37
Smart Personality41.462.35
Twin Blowjob Engages in (Sexual)41.452.33
School Extraordinary Club President Role13.192.21
Multiple Tails Hair13.062.12
Curious Personality21.922.11
Group Sex of One Male and Several Females Engages in (Sexual)51.172.11
Plate Armor Clothes21.912.10
Outdoor Sex Engages in (Sexual)51.162.07
Rifle Items12.972.06
Short-tempered Personality21.852.03
Reverse Spitroast Subject of (Sexual)21.842.02
Tribadism on Penis Subject of (Sexual)12.861.98
Chuunibyou Personality12.821.96
Twin Boobjob Engages in (Sexual)21.771.94
Friend Role41.201.94
Anal Sex Subject of (Sexual)41.191.91
Ball-cupping Subject of (Sexual)12.751.90
Coder Role12.751.90
Mischievous Personality21.731.90
Step Brother Role12.731.89
Proactive Personality21.721.89
Butterfly Subject of (Sexual)41.171.89
Stoic Personality21.701.86
Twin Boobjob Subject of (Sexual)12.681.86
Grumbler Personality12.661.84
Title Character Role12.621.82
Reverse Spitroast Engages in (Sexual)12.591.80
Rope Bondage Engages in (Sexual)12.541.76
Artificial Intelligence Role12.541.76
Coward Personality12.521.75
Puffy Personality12.511.74
Sexual Harassment Engages in12.451.70
Step Sister Role12.431.68
Stockings Clothes12.421.68
Kind Personality41.031.65
Serious Personality21.491.63
Kuudere Personality12.341.62
Ball-cupping Engages in (Sexual)12.341.62
Cunnilingus Subject of (Sexual)31.161.61
Twin Blowjob Subject of (Sexual)12.321.61
Teasing Engages in21.451.59
Obedient Personality12.291.59
Scientist Role12.281.58
Bondage Sex Engages in (Sexual)12.271.58
V Bangs Hair21.411.55
Sexual Harassment Subject of12.231.54
Spoons Engages in (Sexual)12.221.54
Public Masturbation Engages in (Sexual)12.211.53
Bathroom Sex Engages in (Sexual)21.391.53
Doggy Style Subject of (Sexual)40.931.49
Vindictive Personality12.151.49
Flustered Personality12.131.47
Third Person Personality12.121.47
Suspension Bondage Subject of (Sexual)12.111.46
Nurse's Cap Clothes12.091.45
Amber Eyes31.031.43
Lonely Role12.051.42
Butterfly Engages in (Sexual)12.021.40
Funny Personality12.001.38
Sex in Public Places Engages in (Sexual)21.261.38
Sixty-nine Engages in (Sexual)21.261.38
High School Student Role40.851.37
Friendly Personality21.221.34
Low Self-esteem Personality11.901.32
Red Eyes21.201.31
Quickie Fix Engages in (Sexual)11.881.31
Standing Sex Engages in (Sexual)11.871.30
Standing Sex Subject of (Sexual)21.181.29
Short (obsolete) Body11.861.29
Boobjob Subject of (Sexual)11.861.29
Fingerless Gloves Clothes11.861.29
Honest Personality11.841.27
Sitting Sex Engages in (Sexual)11.831.27
Pretending Personality11.821.26
Boku Personality11.781.24
Missionary Subject of (Sexual)21.121.23
Blowjob Engages in (Sexual)40.761.23
Anal Sex Engages in (Sexual)11.761.22
Handjob Subject of (Sexual)11.751.22
Side Tail Hair11.751.21
Long Hair40.751.21
School Uniform Clothes40.751.21
Missionary Engages in (Sexual)11.741.21
Older Brother Role11.731.20
Cowgirl Engages in (Sexual)11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Confident Personality11.701.18
Boobjob Engages in (Sexual)21.071.17
Loyal Personality11.691.17
Doggy Style Engages in (Sexual)11.691.17
Sitting Sex Subject of (Sexual)21.061.17
Protective Personality11.681.16
Rope Bondage Subject of (Sexual)11.671.16
Spoons Subject of (Sexual)11.671.16
Teasing Subject of11.661.15
Thigh-high Stockings Clothes21.041.14
Mini-dress Clothes11.641.13
Pervert Personality11.631.13
Kouhai Role11.631.13
Garter Belt Stockings Clothes11.621.12
Shy Personality11.621.12
Senpai Role11.611.12
Spiky Bangs Hair21.001.10
Bondage Sex Subject of (Sexual)11.571.09
Cunnilingus Engages in (Sexual)11.551.08
Refined Personality11.541.07
Blowjob Subject of (Sexual)11.521.06
Pendant Necklace Clothes11.521.06
Cowgirl Subject of (Sexual)20.951.05
Straight Hair20.951.04
Green Hair11.481.02
Pissing Engages in (Sexual)11.461.02
Younger Sister Role11.441.00
Blond Hair20.890.97
Hair Tie Clothes11.410.97
Hairpin Clothes11.400.97
Tsurime Eyes11.380.96
Knee-high Socks Clothes11.380.96
Tominagi Subject of (Sexual)11.360.94
Virgin Sex Engages in (Sexual)20.850.93
Slim Body40.580.93
White Hair11.330.92
Red Hair11.320.92
Curtained Hair11.300.90
Teen Body30.620.86
Violet Hair11.190.83
Handjob Engages in (Sexual)11.160.80
Tareme Eyes11.100.76
Ponytail Hair11.100.76
Violet Eyes11.040.72
Green Eyes11.020.70
Pale Body40.370.60
Waist Length+ Hair10.810.56
Brown Hair10.680.47
Short Hair10.610.42
50.000.00