---
title: "Cocoon"
description: "Later half of 21st century, summer. Tokyo after the Great Earthquake. The world where the chosen few are embedded with a microchip named \"Sky Implant\"(AKA: Si) "
image: "https://t.vndb.org/cv/63/21363.jpg"
---

# Cocoon

![Cocoon](https://t.vndb.org/cv/63/21363.jpg)

**Alternative Title:** Cocoon-コクーン-

**Developer:** ADELTA

**Release date:** Apr 1, 2014

**Platform:** Windows

**Language:** Japanese, Chinese (simplified)

**Rating:** 6.5/10 (26 votes)

## Description
Later half of 21st century, summer. Tokyo after the Great Earthquake.
The world where the chosen few are embedded with a microchip named "Sky Implant"(AKA: Si) and are controlled by the system.
Hajima Sora had been given the skill set of an "Artist".
After graduating from a special training school, lived like a hermit in a Si-based mansion "Cocoon".
All jobs were conducted over the internet, daily necessaries were bought on-line and days goes by without having any human contact.
One day, an incident occurs that shatters the secluded freedom he so enjoyed...

## Characters
### Hajima Sora (羽島 空)
A young man who lives in the Cocoon near Sensoji Temple in Asakusa, Taito Ward. He has synesthesia, which allows him to see colors in sounds, and can he discern other people's feelings by the difference in those colors. He expresses his unique worldview through oil paintings, but is not well known. 

[Translated from in-game profile]

- **Gender:** Male
- **Measurements:** Height: 170cm
- **Birthday:** 15 August
- **Hair:** Blond, Short, Spiky
- **Body:** Slim, Pale, Young-adult
- **Clothes:** Trousers, Dress, Earrings, Glasses, T-shirt, Turtleneck Sweater, Engagement Ring, Band-aid
- **Role:** Orphan, Grandson, Friend, Childhood Friend, Painter, Runaway, Multiracial
- **Subject of:** Assault, Wounding, Confinement, Teasing, Homicide, Being Drugged, Fainting, Marriage Proposal, Betrayal, Forced Cross-dressing, Manipulation, Guilt, Child Neglect, Synesthesia, Kabedon
- **Items:** Handgun, Mobile Phone, Umbrella, Cigarette, Paintbrush
- **Personality:** Ore, Reserved, Kind, Serious
- **Engages in:** Drinking, Smoking, Suicide, Cleaning, Lactation, Moving, Turndown
- **Eyes:** Pink

### Kondou Yuki (近藤 雪)
A member of the Special Rescue Team assigned to the Asakusa Temple Substation of the Nihonbashi Fire Station. He possesses the stamina to commute to work by bicycle every morning from Akihabara's Cocoon. He works a rotation of day shift > night shift > post-shift rest > day off.

[Translated from in-game profile]

- **Gender:** Male
- **Measurements:** Height: 180cm
- **Birthday:** 23 May
- **Hair:** Brown, Short
- **Role:** Orphan, Childhood Friend, Older Brother, Firefighter
- **Personality:** Hotblooded, Ore, Friendly, Possessive, Protective
- **Eyes:** Blue
- **Body:** Young-adult, Toned
- **Clothes:** Bandages, Hospital Gown
- **Engages in:** Assault, Marriage Proposal, Moving, Working Out
- **Subject of:** Hospitalization, Homicide, Turndown, Malevolent Possession, Disappearance, Fainting, Nyctophobia, Synesthesia
- **Items:** Bicycle

### Motogi Gin (本城 銀)
Also known as Basil P, the producer behind internet idol Komeko (コメコ). He is an artist who is well-versed in music and also provides songs to other artists. He is an optimist with a generous spirit, but he can also be pushy and over confident. He has synesthesia that allows him to hear sounds through touch.

[Translated from in-game profile]

- **Gender:** Male
- **Aliases:** バジルP, Basil P
- **Measurements:** Height: 182cm
- **Birthday:** 17 September
- **Hair:** Short, Green, Stubble, Spiky
- **Clothes:** Trousers, Jacket, Necklace, Shirt, T-shirt, Belt
- **Eyes:** Green
- **Body:** Young-adult, Left Handed
- **Items:** Handgun, Stun Gun
- **Personality:** Ore, Kind, Mischievous, Optimist
- **Engages in:** Driving, Smoking, Teasing, Sexual Harassment
- **Role:** Musician, Engineer, Coder, Younger Brother, Half-brother, Illegitimate Child, Producer
- **Subject of:** Wounding, Hospitalization, Homicide, Arrest, Heart Disease, Synesthesia

### Shio (シオ)
He can use Si to control multiple thoughts at the same time. His emotions and consciousness are constantly dispersed, so even Sora cannot read his mind. His foul language is innate, and he's so indifferent to others that he'll instantly forget their names.

[Translated from in-game profile]

- **Gender:** Male
- **Alias:** CO
- **Measurements:** Height: 178cm
- **Birthday:** 8 March
- **Hair:** Black, Ahoge, Short, Grey, Dyed
- **Body:** Slim, Pale, Young-adult
- **Subject of:** Assault, Amnesia, Split Personality, Wounding, Homicide, Human Subject Research, Fainting, Asphyxia
- **Eyes:** Red
- **Items:** Knife, Pocket Knife
- **Personality:** Ore, Serious, Mysterious, Sharp-tongued, Blunt
- **Engages in:** Suicide, Teasing, Murder, Unarmed Fighting, Assault, Moving
- **Role:** Poor, Telepath, Homeless, Part-time Worker
- **Clothes:** Ring

### Kagami (鏡)
A mysterious engineer at Mother. [spoiler]He is Gin's half-brother, who he resents and tries to avoid contact with. However, they are forced to meet again through Sora. He seems to harber doubts about Mother and the skill system.[/spoiler]

[Translated from in-game profile]

[spoiler]His true name is Motogi Kyou.[/spoiler]

- **Gender:** Male
- **Measurements:** Height: 178cm
- **Birthday:** 10 October
- **Hair:** Short, Teal, Spiky
- **Body:** Pale, Young-adult
- **Clothes:** Trousers, Suit, Glasses, Necktie, T-shirt
- **Personality:** Hard Worker, Serious, Mysterious, Dishonest, Taciturn, Watashi, Resilient
- **Items:** Handgun, Mobile Phone, Laptop
- **Engages in:** Driving, Planning, Drinking, Murder, Investigation, Self-sacrifice, Betrayal, Attempted Murder, Moving, Manipulation
- **Role:** Widower, Engineer, Coder, Older Brother, Half-brother, Lonely, Multilingual, Runaway
- **Subject of:** Coma, Hospitalization, Homicide, Grief, Betrayal
- **Eyes:** Teal

### Shou (ショウ)
The being possessing Yuki. [spoiler]He was originally one of Shio's personalities.[/spoiler]

He lacks a body of his own.

- **Gender:** Sexless
- **Personality:** Ore, Watashi
- **Engages in:** Murder, Possession, Arson
- **Subject of:** Human Subject Research, Synesthesia

### Tsukishiro Ayato (月代 彩人)
[spoiler]Yoshimasa's only son and the heir of Mother. His appearance and intelligence were genetically modified, but his hobbies and personality were shaped by his environment. He has synesthesia that allows him to sense the flavor of bodily fluids. He senses the taste of his late mother, Sachertorte, in Sora's fluids. [/spoiler]

[Translated from in-game profile]

- **Gender:** Male
- **Measurements:** Height: 190cm
- **Birthday:** 1 January
- **Hair:** Violet, Ankle Length
- **Body:** Slim, Pale, Young-adult, Tall
- **Clothes:** Trousers, Suit, Necktie, Pocket Square
- **Eyes:** Violet
- **Personality:** Boku, Spoiled, Friendly, Refined, Strange, Obsessive
- **Role:** Son, Older Brother, Lonely, Heir
- **Subject of:** Death, Possession, Synesthesia
- **Items:** Umbrella
- **Engages in:** Drugging, Confinement, Manipulation, Kabedon

### Tsukishiro Yoshimasa (月代 義正)
The founder of Mother. His motto is to never forget respect to people and to give them as many chances as needed. He especially dotes on Kagami and Yashiro, going so far as to get involved with each of them. He holds strong affection for Ayato as well, buying him anything he desires. He understands Ayato's tastes and is very generous towards him.

[Translated from in-game profile]

He has possessed the body of his second son, Tsukishiro Kouji / 月代 虹司, who was solely born to be his vessel.

- **Gender:** Male
- **Measurements:** Height: 145cm
- **Birthday:** 1 January
- **Hair:** Violet, Short
- **Body:** Slim, Pale, Kid, Younger Appearance
- **Clothes:** Trousers, Jacket, Shirt, Vest, Shorts, Ribbon Tie, Tailcoat
- **Role:** Orphan, Father, Executive
- **Personality:** Hotblooded, Ore, Selfish, Mysterious
- **Eyes:** Violet
- **Items:** Knife
- **Engages in:** Planning, Murder, Self-sacrifice, Possession, Drugging, Manipulation, Proxy Murder
- **Subject of:** Resurrection, Betrayal, Pre-Story Death, Synesthesia

### Yashiro (八代)
The mysterious young man pursuing Shio. [spoiler]He was actually one of the test subjects born from the same research as Shio, but their paths diverged. He deeply respects Yoshimasa and is tasked with eliminating dangerous elements who oppose Mother. [/spoiler] Currently, he is keeping an eye on Kagami, who is acting suspiciously, under the guise of being his bodyguard.

[Translated from in-game profile]

- **Gender:** Male
- **Measurements:** Height: 192cm
- **Hair:** Red, Short
- **Body:** Pale, Young-adult, Prosthesis, Tall
- **Subject of:** Assault, Wounding, Human Subject Research, Being Drugged, Betrayal
- **Eyes:** Amber
- **Clothes:** Earrings, Jacket, Scarf, Shirt
- **Items:** Handgun, Cigarette, Motorcycle
- **Personality:** Ore, Stoic, Loyal, Mysterious, Quiet
- **Engages in:** Smoking, Suicide, Unarmed Fighting, Assault, Betrayal, Moving
- **Role:** Bodyguard, Homosexual, Runaway

### Nanami Saki (名波 咲)
The younger sister of [url=/c29365]Yuki[/url].

- **Gender:** Female
- **Hair:** Brown
- **Body:** Teen, Slim, Pale
- **Role:** Orphan, Wife, Younger Sister
- **Eyes:** Blue
- **Subject of:** Pregnancy
- **Personality:** Kind, Watashi
- **Engages in:** Not Sexually Involved
- **Clothes:** Sundress, Sun Hat

### Tamayama (玉山)
A detective who questions Sora after the arson case at the art museum.

- **Gender:** Male
- **Hair:** Brown, Short
- **Body:** Pale, Adult
- **Clothes:** Trousers, Suit, Necktie
- **Eyes:** Black
- **Personality:** Ore, Selfish, Kind, Serious
- **Role:** Father, Son, Detective, Parent Act
- **Engages in:** Investigation, Not Sexually Involved, Moving
- **Items:** Mobile Phone

## Shops
- [Official Website](http://cocoon1.x.fc2.com/index.html)
- [DLsite](https://www.dlsite.com/bl/work/=/product_id/RJ134210.html)

## Releases
### Japanese
- **2014-04-01**: Cocoon - Package Edition - [Official website](http://cocoon1.x.fc2.com/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=30129)
- **2014-05-24**: Cocoon - Download Edition - [Official website](http://cocoon1.x.fc2.com/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=30129), [DLsite](https://www.dlsite.com/bl/work/=/product_id/RJ134210.html)

### Chinese (simplified)
- **2024-09-01**: Cocoon - [Official website](https://www.flamecho.top/posts/37.html)

## Tags
Future Earth, Science Fiction, Male Protagonist, Other Perspectives, Protagonist with a Face, Hacker Hero, Uke Protagonist, Boy x Boy Romance Only, Male on Male Sex Only, ADV, Painter Protagonist, Protagonist's Childhood Friend as a Hero, Hero with Multiple Personalities, Hacking, Transhumanism, Combat Capable Friends, Cyberpunk, Possession, Orphan Protagonist, Orphan Hero, Engineer Hero, Artificial Intelligence, Only Adult Heroes, Male on Male Rape, Hero with Ahoge, Shota Support Character

## More Games from ADELTA
- [Cocoon](https://pinovel.net/v15680)
- [Cocoon BN -Cocoon Black Noise-](https://pinovel.net/v15918)
- [Koshotengai no Hashihime](https://pinovel.net/v17018)
- [Umiiro Kyoushikyoku -Umiiro Rhapsody-](https://pinovel.net/v34703)
- [Umiiro Sayokyoku -Umiiro Serenade-](https://pinovel.net/v55105)
- [Uuultra C](https://pinovel.net/v23393)
- [Ooe](https://pinovel.net/v30925)
- [Tsukiiro Tanshikyoku](https://pinovel.net/v38385)

---
*View the full details at [pinovel.net/v15680](https://pinovel.net/v15680).*

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```