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Caucasus ~Nanatsuki no Nie~

クロウカシス ~七憑キノ贄~

Titles
クロウカシス ~七憑キノ贄~
Caucasus ~Nanatsuki no Nie~
白雪~七凭之祭~
Báixuě ~ Qī píng zhī jì ~
Play timeMedium (16h39m from 17 votes)
DeveloperInnocent Grey
PublishersInnocent Grey
Anzu Mitsu Aihu Tonghaohui
Benio team & Oneline's Workshop
Project Kamai
LinksWikipedia (en), Wikidata, VNStat
Shopssponsored links» JP¥ 5029 @ DLsite

Description

In the secluded mountains of the Tohoku region lies a village named Nanatsuki.
Drawn by tales of a peculiar local legend, two curious students from a Tokyo university decide to investigate.

Their journey, however, takes an unexpected turn when a blizzard engulfs them. Fortunately, they're rescued by Benio, the second daughter of the influential Nanatsuki family, who welcomes them to their imposing black mansion, Shichitsuki-kan (The Mansion of Seven Possessions).

As the students settle in, they discover that the Nanatsuki family is amid an unusual wedding ritual. The bride must spend a night inside a coffin, and the marriage is deemed official if dawn arrives without incident. But as the ceremony progresses, it's abruptly disrupted by an ominous force, casting shadows of doubt and suspicion on everyone present, including the ten attendees and the two outsiders.

As dawn breaks on this isolated island with no escape route, the aftermath of a grim tragedy unfolds.

[Translated and edited from the official website]

Avoidable Death of Heroine (obsolete)S 3.0 Interactive Adventure Game 3.0 Life and Death DramaS 3.0 Lots of Choices 3.0 More Than Seven Endings 3.0 Multiple Route MysteryS 3.0 Traditionalist Family 3.0 Villainous HeroineS 3.0 ConfinementS 2.8 Adult Heroine 2.8 ADV 2.8 RevengeS 2.8 Murder Mystery 2.7 Western-style Manor 2.7 Gore 2.7 Pretending HeroineS 2.7 Male Protagonist 2.6 Multiple Endings 2.6 Detective Work 2.5 Heroine with Beauty Mark 2.5 Ojousama Heroine 2.5 Winter 2.5 Musician Heroine 2.4 Map Movement 2.4 Past Japan 2.3 Stockings 2.3 Date Display 2.3 Horror 2.3 Maid Heroine 2.3 Built-in Encyclopedia 2.2 Protagonist with a Face 2.2 University Student Protagonist 2.2 Nameable Protagonist 2.2 Albino Heroine 2.1 20th Century 2.0 Bad Endings with Story 2.0 Battle of Wits 2.0 Character Profiles 2.0 Completion Status Indicator 2.0 Cook Heroine 2.0 Deepthroat 2.0 DeflorationS 2.0 Doggy Style 2.0 Ejaculation Choice 2.0 Ending List 2.0 Female Ejaculation 2.0 French Kiss 2.0 Heroine in Relationship with Other(s)S 2.0 Heroine with Big Breasts 2.0 Heroine with Glasses 2.0 Heroine with Sexual Experience 2.0 Heroine with Small Breasts (Non-Loli) 2.0 Location Display 2.0 Meaningless Choices 2.0 Modern Tsundere HeroineS 2.0 Mother Support Character 2.0 Non-twin Heroine Sisters 2.0 No Quick Save/Load 2.0 Orphan HeroineS 2.0 Plants & Flowers 2.0 Pregnancy EndingS 2.0 Proactive Protagonist 2.0 Protagonist's Senpai as a Heroine 2.0 RapeS 2.0 Romance 2.0 Shouwa Era 2.0 Sickly Heroine 2.0 Singer Heroine 2.0 Single Blowjob 2.0 Single Handjob 2.0 Thief HeroineS 2.0 Under the Same Roof 2.0 University Student Heroine 2.0 Unlockable Gallery 2.0 Vaginal Fingering 2.0 Vaginal Masturbation 2.0 Wedding 2.0 Yamato Nadeshiko Heroine 2.0 Brief NVL Scenes 1.8 Bisexual HeroineS 1.7 Heroine with Tights 1.7 IllnessS 1.7 Cunnilingus 1.5 Sitting Sex 1.5 Butler Support Character 1.3 Non-blood-related Sister/Sister Incest 1.3 VampireS 1.3 Student Protagonist 1.2 Anal Sex 1.0 Antihero ProtagonistS 1.0 Avoidable Death of Protagonist (obsolete)S 1.0 Blind Choices 1.0 Bookworm Heroine 1.0 Bookworm Protagonist 1.0 Built-in Flowchart 1.0 Cats 1.0 Christian Church 1.0 Church SexS 1.0 Dildos 1.0 Genius HeroineS 1.0 Heroine Rape by OthersS 1.0 High Sexual Content 1.0 InfodumpingS 1.0 Lesbian Sex 1.0 Multiple True EndingsS 1.0 Other Perspectives 1.0 Sadist Support CharacterS 1.0 Sexual Slavery (Non-consensual) 1.0 Sixty-nine 1.0 Spontaneous Sex Scenes 1.0 Standing Sex 1.0 Suicide 1.0 Unlockable Epilogue 1.0 Vertically Oriented Text 1.0 CurseS 0.7 Hero with Eyepatch 0.5 One True End 0.5 Boobjob 0.3 Masturbation 0.3 Musical Environment 0.3 Physical ProblemsS 0.3

Hide spoilersShow minor spoilersSpoil me! | Show sexual traits

Protagonist

Satoshi Kobayashi古林智士
Aliases古林智士, Kobayashi Satoshi
HairBrown
EyesBrown
ClothesJacket, Scarf
PersonalityBrave, Docile, Kind, Smart
RoleKouhai, University Student
Engages inInvestigation

Description

Satoshi is a college student from a Tokyo university, specifically part of the Folklore Research Seminar. As a junior to Souko, he finds solace in his hobbies, which include delving into books and taking strolls through the city. He also has a particular fondness for Chinese Ramen, especially Chuka Soba.

Despite being in the academic setting, Satoshi often remains in the shadows, not drawing much attention to himself. He might not be the sharpest in his class, but he possesses a unique perspective and proves himself to be quite observant. Time and again, he acts as a pillar of support for the reserved Souko, assisting her as she navigates various social situations.

There's something about Satoshi's youthful appearance and his calm demeanor that seems to captivate those older than him, often evoking a protective or even parental instinct.

"I feel this way... because I want to keep you safe."

[From Getchu]

Main characters

Hiyama Akane燈山 あかね
MeasurementsHeight: 153cm, Bust-Waist-Hips: 89-57-88cm
Age20
HairBlunt Bangs, Green, Short, Short Bangs, Sidehair
EyesGreen
BodyPale, Slim, Teen
ClothesMaid's Dress, Maid's Headdress
PersonalityCarefree, Hard Worker, Shy
RoleMaid
Voiced byTakaido Shizuku

Description

Akane is a maid working in the Nanatsukikan (The black house). She’s a cheerful maid but she’s serious in her work. Even so, she stumbles sometimes but because of her personality she’s never hated. She’s also really cute when she blushes.

[Edited from Accany's review]

Kirihara Souko切原 想子
AliasesKirihara Soko
MeasurementsHeight: 156cm, Bust-Waist-Hips: 85-58-88cm
Age21
HairBlack, Short
EyesBlue
BodyPale, Young-adult
ClothesThigh-high Boots, Uniform
ItemsGuitar
PersonalityKind
RoleGuitarist, Mentor, Senpai, University Student
Engages inInvestigation, Planning
Subject ofInjury
Voiced byHamura Nao

Description

Souko is an intelligent, calm, and attractive woman with a quick mind who can adapt to any situation flexibly. Despite her rough and occasionally absentminded nature, these qualities add to her charm and appeal. She is also notorious for her bad luck, particularly in trivial matters. Still, she is a caring person and a reliable senior to the protagonist.

Hobbies: Playing guitar and listening to music
Favorite things: Cola and pancakes

"That's an intriguing deduction. But from an outsider's perspective like ours, it seems the root of the problem lies within the family's internal conflicts."

[Translated and edited from Getchu]

Minakami Narumi水守 なるみ
MeasurementsHeight: 183cm, Bust-Waist-Hips: 82-59-86cm
Age24
HairBlack, Eye Covering, Parted to Side, Shoulder-length
EyesBlack
BodyPale, Tall (obsolete)
ClothesMaid's Dress, Maid's Headdress
PersonalityLazy
RoleCook, Maid, Not a Virgin
Engages inCooking
Voiced byKawashima Rino

Description

Slacker maid. But her cooking is top class which is why she’s still around. Scolded by Akane constantly for slacking even though she’s senior. Very easygoing and lazy, so it’s hard to actually get her to talk or do anything.

[From Accany's review.]

Nanatsuki Ai七月 藍
MeasurementsHeight: 168cm, Bust-Waist-Hips: 89-58-85cm
Age21
HairBlack, Curtained, Long, Tiny Braid, Twin Braids
EyesBlue, Hosome
BodyBig Breast Sizes, Pale, Tall (obsolete), Young-adult
ClothesCravat, Dress Shoes, Glasses, Headband, Ribbon Hair Tie, Shirt, Skirt, Vest
ItemsBook
PersonalityReserved, Timid
RoleOlder Sister
Voiced byAkishiro Yuzuki

Description

The eldest daughter in the family. She’s a bookworm, hence the glasses. Silent and always doing things at her own speed. She’s afraid of the smallest things and tends to go absolutely hysteric over her own wild imagination. She adores Shion.

[From Accany's review.]

Nanatsuki Benio七月 紅緒
MeasurementsHeight: 155cm, Bust-Waist-Hips: 83-57-84cm
Age18
HairBlack, Shoulder-length
EyesBlack
BodyMole, Pale
ClothesCourt Shoes, Kimono, Pantyhose, Ribbon Hair Accessory
PersonalityRefined, Smart
RoleFull Sister, Pet Owner, Pianist, Yamato Nadeshiko
Engages inPlanning
Voiced byAji Sanma

Description

She’s one of the daughters of the Nanatsuki family. She looks like a lady from a high class family, well she is, but that’s just the outer shell she created. Only the people in the house knows how she really is. She keeps a black cat (with different colored eyes). Also pretty calm most of the time whatever the situation.

[From Accany's review.]

Nanatsuki Shion七月 詩音
MeasurementsHeight: 145cm, Bust-Waist-Hips: 76-55-78cm
Age18
HairBlond, Waist Length+
EyesRed
BodyPale, Short (obsolete), Slim, Small Breast Sizes
ClothesDress
PersonalityReserved, Shy, Strange
RoleBetrothed, Full Sister
Engages inSinging
Subject ofArranged Marriage
Voiced byYuuki Mio

Description

Another one of the daughters in the Nanatsuki family. Shion is an introvert and lives on the top of the tower beside the main building. Or she’s only restricted to living there. Therefore she has never seen the outside world and doesn’t know quite a lot of things we consider common sense. Somewhat shy and softspoken. Loves singing.

[Edited from Accany's review.]

Side characters

Mikanagi Hiroshi御巫 博士
Age28
HairBlue, Shoulder-length
EyesBlue
BodyPale, Young-adult
ClothesCourt Shoes, Glasses, Lab Coat, Necktie, Suit
RoleMedical Doctor
Voiced bySeji Haruyuki

Description

He’s the family doctor for the Nanatsuki family, taking over his father. He takes romance and friendship very seriously but he’s usually misunderstood because of his actions and words.

[From Accany's review.]

Nanatsuki Maya七月 摩夜
MeasurementsHeight: 170cm, Bust-Waist-Hips: 90-61-88cm
Age48
HairViolet
EyesBlack
BodyAdult, Big Breasts, Pale
ClothesDress, Thigh-high Stockings
PersonalityKind
RoleHead of Household, Mother, Not a Virgin
Subject ofIllness
Voiced byYuzuki Kaname

Description

The current head of the Nanatsuki family. She has an aura of peace and kindness. Always in her room because of her weak body.

[From Accany's review.]

Rokuyou Isamu六曜 勇
Age26
HairBrown, Short
EyesBrown
BodyPale, Young-adult
ClothesBelt, Boots, Necktie, Suit
RoleBetrothed, White-collar Worker
Voiced byRanmaru

Description

Shion’s fiance. The only son in the Rokuyou family.

[From Accany's review.]

Takamine Jin高嶺 仁
Age34
HairBlack, Short
EyesBlack
BodyAdult, Pale, Scar
ClothesBoots, Eyepatch, Suit
PersonalityRelaxed, Stoic
RoleLawyer
Subject ofBlindness
Voiced byNo☆boru

Description

The legal advisor of the Nanatsuki family. He took over his father’s job after he died. Emotionless and calm most of the time. Poker faced. A huge scar on the left side of his face and he’s blind on one eye.

[From Accany's review.]

Tsujimura Seiji辻村星次
Age50
HairWhite
EyesGrey
BodyAdult, Pale
ClothesBelt, Boots, Shirt, Trousers
PersonalityCarefree, Refined
RoleFull Brother
Voiced byUmanami Kouta

Description

The brother of the head of the Nanatsuki family, which is currently dead. He’s a pretty passive character who does everything resembling a caretaker. He’s polite and caring which is why everyone likes him.

[From Accany's review.]