---
title: "Cosmos no Himitsu"
description: "One day, Mitsuko saves a boy when he is lost deep inside the forest. She takes him to her room and gives something to eat. He paints a picture of her in return."
image: "https://t.vndb.org/cv/45/2645.jpg"
---

# Cosmos no Himitsu

![Cosmos no Himitsu](https://t.vndb.org/cv/45/2645.jpg)

**Alternative Title:** コスモスの秘密

**Developer:** CATTLEYA

**Release date:** Jul 3, 2009

**Platform:** Windows, DVD

**Language:** Japanese

**Rating:** 6.7/10 (20 votes)

## Description
One day, Mitsuko saves a boy when he is lost deep inside the forest. She takes him to her room and gives something to eat. He paints a picture of her in return. Mitsuko is soon attracted to his innocence.... He nestles up to her innocently and she finally shags with him.... Days later, Juri, her friend, visits her house. Juri is also spellbound to his innocence soon and secretly seduces him....

[From [ErogeShop](http://web.archive.org/web/20090712030856/http://www.erogeshop.com:80/product_info.php/products_id/1012679)]

## Characters
### Boy (少年)
- **Gender:** Male
- **Body:** Teen
- **Personality:** Friendly
- **Role:** Painter, Angel
- **Subject of:** Disappearance

### Juri (樹里)
- **Gender:** Female
- **Hair:** Blond, Pubic Hair
- **Body:** Adult
- **Role:** Friend
- **Clothes:** Blindfold, Lace Lingerie, Knee-high Boots
- **Voiced by:** Sakura Momoka

### Mitsuko (美都子)
Nun that lives alone. Before becoming a nun was sold by her husband to a stranger who raped her. She got pregnant but had a miscarriage. Shortly after that she ran away to become a nun and was told in time she would be healed of her past trauma.

- **Gender:** Female
- **Hair:** Short, Pubic Hair
- **Body:** Adult
- **Clothes:** Cross Necklace, Chinese Dress, Naked Apron
- **Role:** Divorcee, Not a Virgin, Nun
- **Personality:** Kind
- **Subject of:** Pregnancy Loss, Betrayal
- **Voiced by:** Shion Miyabi

## Shops
- [Official Website](http://www.masterup.net/uresen/product/cosmos/index.html)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ003819.html)

## Releases
### Japanese
- **2009-07-03**: Cosmos no Himitsu - Download Edition - [Official website](http://www.masterup.net/uresen/product/cosmos/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=12772), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ003819.html), [Gyutto](https://gyutto.com/i/item60598), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0032399/), [DL.Getchu](http://dl.getchu.com/i/item1001736), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0384/)
- **2009-07-17**: Cosmos no Himitsu - Package Edition - [Official website](http://www.masterup.net/uresen/product/cosmos/index.html)
- **2017-07-13**: Cosmos no Himitsu - DVDPG - [Official website](http://www.n43project.com/n43/mnpg82/index.html), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=h_107mnpg82/)

## Tags
ADV, Lesbian Sex, Nun Heroine, Nukige, Group Sex of One Male and Several Females, Heroine with Sexual Experience, Big Breast Sizes Heroine, Angel Protagonist, Shota Protagonist, Vibrators, Footjob, Cosplay, Sixty-nine, Blowjob, Twin Blowjob, Anilingus, Cunnilingus, Doggy Style, Outdoor Sex, Cowgirl, Parting Ending, Straight Shotacon, Only Adult Heroines, Single Boobjob, Single Handjob, Single Buttjob

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---
*View the full details at [pinovel.net/v2179](https://pinovel.net/v2179).*

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```