---
title: "Cosmos no Sora ni"
description: "Time of school festival. While most students are eager to show their spirits, main character who lost his memory in the childhood pays all his attention to five"
image: "https://t.vndb.org/cv/73/26173.jpg"
---

# Cosmos no Sora ni

![Cosmos no Sora ni](https://t.vndb.org/cv/73/26173.jpg)

**Alternative Title:** 秋桜の空に

**Developer:** Marron

**Release date:** Jul 27, 2001

**Platform:** Windows, Linux

**Language:** Japanese

**Rating:** 7.2/10 (23 votes)

## Description
Time of school festival. While most students are eager to show their spirits, main character who lost his memory in the childhood pays all his attention to five girls with scars on their hearts. 

[From [vndbreview](https://vndbreview.blogspot.com/2019/02/vn-of-month-july-2001-cosmos-no-sora-ni.html)]

## Characters
### Niizawa Yasuomi (新沢 靖臣)
Protagonist of the story.

- **Gender:** Male
- **Alias:** オミくん、Omi-kun
- **Hair:** Black, Eye Covering
- **Eyes:** Brown
- **Clothes:** Uniform, Swimsuit
- **Subject of:** Amnesia, Grief
- **Role:** Childhood Friend, Classmate, Senpai, Kouhai, High School Student, Coach, Nameable, Delinquent, School Swimming Club Member, Living Alone, Eleventh Grader, Retired
- **Engages in:** Teasing, Swimming
- **Personality:** Funny
- **Items:** Bicycle

### Amakozaki Uiko (尼子崎 初子)
Protagonist's classmate. She is close friend of Yasuomi and Wakana. She is, like Yasuomi, also known as troublemaker. Her family run a shrine where she also work as a miko.

- **Gender:** Female
- **Aliases:** Uichi, Rampage Ui-chan
- **Measurements:** Height: 159cm, Weight: 50kg, Bust-Waist-Hips: 91-57-86cm
- **Birthday:** 20 October
- **Hair:** Blond, Waist Length+, Straight
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** School Uniform, Glasses, Miniskirt, String Ribbon Tie
- **Role:** Miko, Classmate, Senpai, Kouhai, Eleventh Grader
- **Subject of:** Pregnancy
- **Engages in:** Lactation
- **Personality:** Mischievous

### Koizumi Hiyori (小泉 ひより)
Alumnus of Nanasaka High School who now works in her former school as trainee-teacher. She currently manage class 2-B where the protagonist is at. She is also the older sister of Marine.

- **Gender:** Female
- **Aliases:** Hiyo-sensei, Hiyohiyo
- **Measurements:** Height: 164cm, Weight: 48kg, Bust-Waist-Hips: 73-57-89cm
- **Birthday:** 15 January
- **Hair:** Violet, Parted to Side, Asymmetrical Sidehair
- **Body:** Slim, Pale, Young-adult, Mole
- **Eyes:** Red
- **Clothes:** Earrings, Skirt Suit
- **Role:** Teacher, University Student, Older Sister
- **Personality:** Clumsy

### Kusunoki Wakana (楠 若菜)
Protagonist's classmate who has weak body

- **Gender:** Female
- **Alias:** Kanabo
- **Measurements:** Height: 139cm, Weight: 29kg, Bust-Waist-Hips: 72-49-71cm
- **Birthday:** 29 February
- **Hair:** Violet, Bob Cut, Shoulder-length
- **Body:** Teen, Slim, Pale, Small Breasts
- **Clothes:** School Uniform, Ribbon Hair Accessory, String Ribbon Tie
- **Eyes:** Violet
- **Role:** Classmate, Senpai, Kouhai, Wealthy, Eleventh Grader
- **Subject of:** Illness

### Sakuma Haruhi (佐久間 晴姫)
Same year student as the protagonist who also the director of the swimming club and one of their only three members. She hate it when called by her nickname.

[spoiler]Her attitude made her become the source of the famous [url=https://tvtropes.org/pmwiki/pmwiki.php/Main/Tsundere]"Tsundere"[/url] etymology.[/spoiler]

- **Gender:** Female
- **Alias:** Haru-pii
- **Measurements:** Height: 161cm, Weight: 46kg, Bust-Waist-Hips: 75-53-76cm
- **Birthday:** 1 September
- **Hair:** Brown, Twin Tails, Waist Length+, Curtained, Parted in Middle
- **Eyes:** Brown
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Ribbon Hair Tie, String Ribbon Tie
- **Engages in:** Cooking, Swimming
- **Personality:** Classic Tsundere
- **Role:** Senpai, Kouhai, School Swimming Club President, Eleventh Grader, Same Year Student

### Sakurabashi Suzuka (桜橋 涼香)
Childhood friend of the protagonist, also his neighbor and his senpai at his school.

[spoiler]Her character become the basis standard of older sister-type character in many "older sister" genre games.[/spoiler]

- **Gender:** Female
- **Alias:** Suzu-nee
- **Measurements:** Height: 168cm, Weight: 49kg, Bust-Waist-Hips: 87-59-88cm
- **Birthday:** 3 October
- **Hair:** Blue, Antenna, Waist Length+, Straight, Braid, Sidehair
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Headband, Ribbon Hair Tie, String Ribbon Tie
- **Engages in:** Cooking
- **Eyes:** Blue
- **Role:** Childhood Friend, Senpai, Neighbor, Twelfth Grader, Ane Act

### Koizumi Marine (小泉 鞠音)
Younger sister of Hiyori and one of the members of swimming club.

- **Gender:** Female
- **Alias:** Mari-pon
- **Hair:** Pink, Twin Tails, Shoulder-length, Sidehair
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Rubber Band With Beads, String Ribbon Tie
- **Role:** Kouhai, Younger Sister, School Swimming Club Member, Tenth Grader
- **Eyes:** Pink, Tareme

### Nonomiya Mikage (野々宮 美影)
One of the members of the swimming club. She always accompanied by a pet monkey named "Cosmos Hoshimaru" on her head.

- **Gender:** Female
- **Alias:** Nonomu
- **Hair:** Brown, Curtained, Shoulder-length
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform
- **Eyes:** Violet
- **Role:** Senpai, Kouhai, Pet Owner, School Swimming Club Member, Eleventh Grader, Same Year Student
- **Personality:** Strange

## Shops
- [Official Website](https://quagma.sakura.ne.jp/manuke/chaos.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=6319)

## Releases
### Japanese
- **2001-07-27**: Cosmos no Sora ni - [Official website](https://web.archive.org/web/20151023200102/http://www.marron.nu/web/product/cosmos/cosmos.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=1533), [Getchu](http://www.getchu.com/soft.phtml?id=6319)
- **2002-01-27**: C.H.A.O.S. - [Official website](https://quagma.sakura.ne.jp/manuke/chaos.html)

## Tags
ADV, School, Romance, Comedy, Oneesan-type Heroine, Male Protagonist, Modern Day, Drama, Amnesia, Teacher Heroine, Airhead Heroine, Heroine with Glasses, Classic Tsundere Heroine, Sickly Heroine, Nameable Protagonist, Low Sexual Content, Late Sexual Content, Big Breast Sizes Heroine, School Festival, Small Breast Sizes Heroine (Non-Loli), Nakige, Branching Plot, Clumsy Heroine, Defloration, Boobjob, Autumn, Heroine with Swimsuits, Twin Tail Heroine, Blowjob, Handjob, Lactation During Sex, Lots of Choices, Bonus Side Stories, Unlockable Bonus Content, Heroine with Flat Chest (Non-Loli)

## More Games from Marron
- [Cosmos no Sora ni](https://pinovel.net/v1132)
- [Onee-chan Cube](https://pinovel.net/v7399)
- [Himawari no Chapel de Kimi to](https://pinovel.net/v425)
- [Himawari no Chapel de Kimi to Gaiden Onnakyoushi - Nidoki Ichisaka (Kyuusei)](https://pinovel.net/v33222)

---
*View the full details at [pinovel.net/v1132](https://pinovel.net/v1132).*

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```