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Summary

2016. Inre Island. A seemingly idyllic, modern island in the middle of the Atlantic Ocean. A constant tranquil breeze along a mild climate, and a well-off society embracing a harmonious way of life. Its citizens often refer to the island as their very own miracle, counting themselves lucky to have been born on it. Tourism is low despite Inre being a highly desired travel destination, and for good reason. Not only is it a trip only the rich can afford, a rigorous regime means a special visa is required for entry. 2018. Over a course of six months, a lethal biological attack claims a significant amount of lives. While tragedy occupies people's minds to the brim, a controlling governmental plan is constructed and put into motion. All to prevent such attacks from ever occurring again. The following years, Inre Island's citizens face unexpected change from their usual ways. On a sombre day – damp, dark, and horrifying – the internet is shut down, leaving the island disconnected from the world around it. 2020 - present. After a long internet-less spring tinged with uncertainty, a new system to replace it with is introduced. A new "internet" along digital setbacks result in major changes to everyday life. Unable to adapt, many find themselves spiritually stuck in a world that no longer exists. Suddenly, the island appears shrouded in mysteries. The closed hearts are many. A select few want a way out. But most want to reset and forget. People who never would've met, meet. People who never would've loved, love. An island that had never known sadness, knows it now. Cerulean Days is set in 2020, and follows two outliers of society – mellow Michael and competent Séverine – as they discover the true effects of 2018. Amidst tragedy of lost friends and family bonds are grown, solace is found, feelings blossom, truth is discovered, and conspiracies are seemingly unraveled. Hearts in need of mending await you. Welcome to Inre Island. [From Kickstarter]

A Pinch of Magic
A Pinch of Magic
NAN%
Tags
  • Protagonist with Gradient Colored Hair
  • Witch Protagonist
  • Cafe
  • Mermaid Heroine
  • Protagonist Gender Choice
Rating 5.5033 Users
My Maid Girlfriend: Romance You Choose
My Maid Girlfriend: Romance You Choose
NAN%
Tags
  • Maid Heroine
  • Under the Same Roof
  • Protagonist's Childhood Friend as a Heroine
  • No Sexual Content
  • Male Protagonist
Rating 5.5032 Users
Kurikuri Click ~Ore no Natsuyasumi!~
Kurikuri Click ~Ore no Natsuyasumi!~
NAN%
Tags
  • Lotion Play
  • Erotic Massage
  • Sex on a Beach
  • Beach
  • Highly Animated Sprites
Rating 6.7665 Users
Haitoku no Kakure Boseiai ~Yasashi Sugiru Ecchi na Onee-san wa Okaa-san!?~
Haitoku no Kakure Boseiai ~Yasashi Sugiru Ecchi na Onee-san wa Okaa-san!?~
NAN%
Tags
  • Unbeknown Incest
  • Mother/Son Romance
  • Divorcee Heroine
  • Vaginal + Anal Object Insertion
  • Nursing Handjob
Rating 6.6626 Users
Micro Mizugi x Dosukebe Oku-sans ~Houman Body no Echichi na Yuuwaku~
Micro Mizugi x Dosukebe Oku-sans ~Houman Body no Echichi na Yuuwaku~
NAN%
Tags
  • Completion Status Indicator
  • Discreet Phone Sex
  • Tribadism on Penis
  • Only Non-Virgin Heroines
  • Threesome Ending
Rating 6.2278 Users
Shimojimo no Seikatsu o Tashinamu Tame no Tsudoi ~Muchi de Kouki na Ojou-sama wa Shomin no Seikatsu ni Kyoumi Shinshin~
Shimojimo no Seikatsu o Tashinamu Tame no Tsudoi ~Muchi de Kouki na Ojou-sama wa Shomin no Seikatsu ni Kyoumi Shinshin~
NAN%
Tags
  • Foolish Protagonist
  • Stockings
  • No Common Sense Heroine
  • Ojousama Heroine
  • Nursing Handjob
Rating 7.3021 Users
Enamored Risks
Enamored Risks
NAN%
Tags
  • Photographer Heroine
  • Hero with Gothic Look
  • Bisexual Protagonist
  • Heroine with Gradient Colored Hair
  • University Student Hero
Rating 5.7748 Users
Love Commu
Love Commu
NAN%
Tags
  • May-December Romance
  • Ojousama Heroine
  • Protagonist's Sister as a Support Character
  • All-girls School
  • Teacher Protagonist
Rating 7.3738 Users
My Life as a Maiden
My Life as a Maiden
NAN%
Tags
  • All-girls School
  • Trap Protagonist
  • Protagonist's Cousin as a Heroine
  • Secret Identity
  • Cross-dressing
Rating 6.8049 Users
When Our Journey Ends
When Our Journey Ends
NAN%
Tags
  • Fictional Modern Day Japanese Countryside
  • Trains
  • Grandfather Support Character
  • Third-person Narrative
  • Based on Actual Events
Rating 5.5328 Users
Love & Piss ~Shoujo no Gaman ga Sekai o Sukuu~
Love & Piss ~Shoujo no Gaman ga Sekai o Sukuu~
NAN%
Tags
  • Defloration During Common Route
  • Pissing
  • Cousin Incest
  • Sex Under the Necessity
  • Mage Heroine
Rating 5.7422 Users
Natsu Ecchi 2 ~Futago to Inaka no Natsuyasumi~
Natsu Ecchi 2 ~Futago to Inaka no Natsuyasumi~
NAN%
Tags
  • Blood-related Uncle/Niece Incest
  • Unnamed Protagonist
  • Protagonist's Niece as a Heroine
  • Oppai Loli Heroine
  • Sister/Sister Incest
Rating 5.4828 Users
Starlight Shores
Starlight Shores
NAN%
Tags
  • NaNoRenO
  • Heroine with Shorts
  • Lots of Choices
  • Protagonist's Childhood Friend as a Heroine
  • Romance
Rating 7.1728 Users
Despair Witch
Despair Witch
NAN%
Tags
  • French Kiss
  • Flat Tints Only
  • Anal Object Insertion
  • Rape Victim Heroine
  • Kissing Scene
Rating 6.4020 Users
Youka no Sono
Youka no Sono
NAN%
Tags
  • Lesbian Sex Only
  • Occult Club
  • Exorcism
  • Side Character Having Sex with Others
  • Sex in a School Infirmary
Rating 6.6826 Users
Gyaru Shimai ~Harem Time ga Tomaranai!~
Gyaru Shimai ~Harem Time ga Tomaranai!~
NAN%
Tags
  • Skin Color Selection
  • Shimaidon
  • Gyaru Heroine
  • Non-twin Heroine Sisters
  • Twin Boobjob
Rating 6.5327 Users
Kanojo no Imouto to Himitsu no Stay Home ~Uchiki Musume ga Haitoku Netori!~
Kanojo no Imouto to Himitsu no Stay Home ~Uchiki Musume ga Haitoku Netori!~
NAN%
Tags
  • Reverse Netorare
  • Shimaidon
  • Completion Status Indicator
  • Shimaidon Ending
  • Short Sexual Scenes
Rating 6.0468 Users
His Chuunibyou Can
His Chuunibyou Can't Be Cured!
NAN%
Tags
  • Chuunibyou Protagonist
  • Design Story
  • Group of Friends
  • Artist Heroine
  • Low Sexual Content
Rating 5.3444 Users
Triangle Love -Apricot Fizz-
Triangle Love -Apricot Fizz-
NAN%
Tags
  • Threesome Ending
  • Love Triangle
  • Pure Love Story
  • Threesome
  • Single Ending
Rating 6.7429 Users
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
NAN%
Tags
  • Heroine Based on a Fictional Person
  • Unnamed Protagonist
  • Reverse Rape
  • Idol Heroine
  • Japanese Idols
Rating 6.1426 Users
LO-Angle!!
LO-Angle!!
NAN%
Tags
  • Homemaker Protagonist
  • Perverted Friend
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Imouto-type Heroine
Rating 6.8029 Users
Yandere Imouto ni Aisaresugite Kozukuri Seikatsu
Yandere Imouto ni Aisaresugite Kozukuri Seikatsu
NAN%
Tags
  • Yandere Heroine
  • Heroine with Baby Complex
  • Brocon Heroine
  • Sexual Content
  • Male Protagonist
Rating 6.8425 Users
Sakura Iro, Mau Koro ni
Sakura Iro, Mau Koro ni
NAN%
Tags
  • Brocon Support Character
  • Student Council Member Heroine
  • Heroine With Kansai Accent
  • Sickly Heroine
  • Long Common Route
Rating 7.1649 Users
Millia -Đoạn kết-
Millia -Đoạn kết-
NAN%
Tags
  • Sacrifice
  • Female Protagonist for a Short Time
  • Curse
  • Rejuvenation
  • Goddess Heroine
Rating 5.4223 Users
Rikujobu ☆ Zukobako Natsu Gasshuku
Rikujobu ☆ Zukobako Natsu Gasshuku
14%
Tags
  • P.E. Teacher Protagonist
  • Athlete Heroine
  • School Sports Club
  • Linear Plot
  • Otaku Heroine
Rating 6.6729 Users
Seduce Me: Shall We Dance?
Seduce Me: Shall We Dance?
13%
Tags
  • Incubi
  • Incubus Hero
  • Ojousama Protagonist
  • Only a Single Hero
  • Wealthy Protagonist
Rating 6.1921 Users
Despair Witch
Despair Witch
13%
Tags
  • French Kiss
  • Flat Tints Only
  • Anal Object Insertion
  • Rape Victim Heroine
  • Kissing Scene
Rating 6.4020 Users
Starlight Shores
Starlight Shores
13%
Tags
  • NaNoRenO
  • Heroine with Shorts
  • Lots of Choices
  • Protagonist's Childhood Friend as a Heroine
  • Romance
Rating 7.1728 Users
Natsu Ecchi 2 ~Futago to Inaka no Natsuyasumi~
Natsu Ecchi 2 ~Futago to Inaka no Natsuyasumi~
12%
Tags
  • Blood-related Uncle/Niece Incest
  • Unnamed Protagonist
  • Protagonist's Niece as a Heroine
  • Oppai Loli Heroine
  • Sister/Sister Incest
Rating 5.4828 Users
When Our Journey Ends
When Our Journey Ends
12%
Tags
  • Fictional Modern Day Japanese Countryside
  • Trains
  • Grandfather Support Character
  • Third-person Narrative
  • Based on Actual Events
Rating 5.5328 Users
Love & Piss ~Shoujo no Gaman ga Sekai o Sukuu~
Love & Piss ~Shoujo no Gaman ga Sekai o Sukuu~
12%
Tags
  • Defloration During Common Route
  • Pissing
  • Cousin Incest
  • Sex Under the Necessity
  • Mage Heroine
Rating 5.7422 Users
Love Commu
Love Commu
12%
Tags
  • May-December Romance
  • Ojousama Heroine
  • Protagonist's Sister as a Support Character
  • All-girls School
  • Teacher Protagonist
Rating 7.3738 Users
My Life as a Maiden
My Life as a Maiden
12%
Tags
  • All-girls School
  • Trap Protagonist
  • Protagonist's Cousin as a Heroine
  • Secret Identity
  • Cross-dressing
Rating 6.8049 Users
Gyaru Shimai ~Harem Time ga Tomaranai!~
Gyaru Shimai ~Harem Time ga Tomaranai!~
12%
Tags
  • Skin Color Selection
  • Shimaidon
  • Gyaru Heroine
  • Non-twin Heroine Sisters
  • Twin Boobjob
Rating 6.5327 Users
His Chuunibyou Can
His Chuunibyou Can't Be Cured!
11%
Tags
  • Chuunibyou Protagonist
  • Design Story
  • Group of Friends
  • Artist Heroine
  • Low Sexual Content
Rating 5.3444 Users
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
Idol☆Gyaku Rape!! ~Tenshi-tachi no Omocha ni Natta Ore~
11%
Tags
  • Heroine Based on a Fictional Person
  • Unnamed Protagonist
  • Reverse Rape
  • Idol Heroine
  • Japanese Idols
Rating 6.1426 Users
Yandere Imouto ni Aisaresugite Kozukuri Seikatsu
Yandere Imouto ni Aisaresugite Kozukuri Seikatsu
11%
Tags
  • Yandere Heroine
  • Heroine with Baby Complex
  • Brocon Heroine
  • Sexual Content
  • Male Protagonist
Rating 6.8425 Users
Millia -Đoạn kết-
Millia -Đoạn kết-
11%
Tags
  • Sacrifice
  • Female Protagonist for a Short Time
  • Curse
  • Rejuvenation
  • Goddess Heroine
Rating 5.4223 Users
Tsuma ni Naisho no JK Anal Choukyou ~Imouto ni Shiriana no Yosa o Oshieru Gikei~
Tsuma ni Naisho no JK Anal Choukyou ~Imouto ni Shiriana no Yosa o Oshieru Gikei~
11%
Tags
  • Anal Fisting
  • Anal Penetration
  • Ojousama Heroine
  • Anal Toys
  • Reverse Cowgirl
Rating 6.3125 Users
Chinkamo Twins 2! ~Natsu da! Umi da! Futago no Imouto Oppai Taiketsu da!~
Chinkamo Twins 2! ~Natsu da! Umi da! Futago no Imouto Oppai Taiketsu da!~
11%
Tags
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Unnamed Protagonist
  • Twin Footjob
  • Oppai Loli Heroine
Rating 6.3720 Users
Kemomimi Musume-tachi ga Iyashite Kureru Kozukuri Onsen
Kemomimi Musume-tachi ga Iyashite Kureru Kozukuri Onsen'yado
10%
Tags
  • Kemonomimi Heroine
  • Unnamed Protagonist
  • Werewolf Heroine
  • Rabbitgirl Heroine
  • Kitsune Heroine
Rating 6.4256 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?
10%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 7.0022 Users
Friends
Friends
10%
Tags
  • Former All-girls School
  • Kendo Club
  • Dormitory Manager Heroine
  • Slice of Life
  • Student Council Member Heroine
Rating 6.7540 Users
Shinsei ni Shite Okasubekarazu
Shinsei ni Shite Okasubekarazu
10%
Tags
  • Royal Heroine
  • Queen Heroine
  • Emotionless Heroine
  • Small Breast Sizes Heroine (Non-Loli)
  • Kuudere Heroine
Rating 7.2030 Users
Mai Yome ~My Yome~
Mai Yome ~My Yome~
10%
Tags
  • Sex Involving Children
  • Only Younger Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Loli Heroines
  • Deredere Heroine
Rating 5.6020 Users
Ren
Ren'ai Kyoushitsu
10%
Tags
  • Former All-girls School
  • Teacher Support Character
  • White Haired Protagonist
  • Emotionless Heroine
  • Transfer Student Protagonist
Rating 6.1523 Users
Koi to H Shika Shiteinai!
Koi to H Shika Shiteinai!
10%
Tags
  • Pure Love Story
  • Short Common Route
  • Only Good Endings
  • Gyaru Heroine
  • Under the Same Roof
Rating 6.8325 Users
School for the Friendless
School for the Friendless
10%
Tags
  • Stock Sprites
  • Mischievous Heroine
  • Slice of Life Comedy
  • University Student Protagonist
  • Perverted Heroine
Rating 5.6521 Users

Cerulean Days 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 (23 total)

NameScoreImportanceWeight
Ladder Structure3.002.587.73
Baker Heroine2.502.907.25
Internet3.002.276.81
Philosophy3.002.126.36
Fictional Modern Day European Town2.003.176.34
Island3.001.945.83
Heroine with a Fang2.502.065.15
Psychological Problems2.002.214.41
Drama3.001.434.28
Cafe2.001.823.65
Detective Work2.001.793.58
University Student Heroine2.001.763.52
Summer2.001.673.33
Mystery2.501.313.28
White Haired Heroine2.001.633.26
Adult Heroine2.501.142.84
Big Breast Sizes Heroine2.001.312.61
Under the Same Roof2.001.272.54
Comedy2.001.112.21
Romance2.000.901.79
Sexual Content2.000.631.26
Male Protagonist3.000.300.91
ADV2.500.150.36

Traits (29 total)

NameCharactersImportanceWeight
Skirt Clothes41.332.15
Civil Servant Role12.882.00
Baker Role12.721.89
University Student Role21.591.75
Loner Personality12.261.57
Pantyhose Clothes21.421.56
Management Role12.131.47
Sharp-tongued Personality11.971.37
High Heeled Shoes Clothes11.961.36
Tsundere Personality11.871.30
Young-adult Body40.761.23
Cheerful Personality11.741.21
Orphan Role11.701.18
Olive Body11.661.15
Teacher Role11.551.08
White Hair11.330.92
Slim Body30.580.80
Brown Hair20.680.75
Violet Eyes11.040.72
Thigh-high Stockings Clothes11.040.72
Kind Personality11.030.71
Green Eyes11.020.70
Short Hair20.610.67
Brown Eyes10.900.63
Waist Length+ Hair10.810.56
Black Hair10.810.56
Blue Eyes10.800.56
Long Hair10.750.52
Pale Body30.370.51