---
title: "Natsu e no Hakobune I"
description: "The first summer vacation after being out of town, for the first time after several months, the protagonist returns to his hometown. Even though the circumstanc"
image: "https://t.vndb.org/cv/49/142449.jpg"
---

# Natsu e no Hakobune I

![Natsu e no Hakobune I](https://t.vndb.org/cv/49/142449.jpg)

**Alternative Title:** 夏への方舟Ⅰ

**Developer:** Argonauts

**Release date:** May 31, 2024

**Platform:** Windows, DVD

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

**Rating:** 7.1/10 (83 votes)

## Description
The first summer vacation after being out of town, for the first time after several months, the protagonist returns to his hometown. Even though the circumstances have changed, his summer begins like always......or it should have been.

Unexpectedly, a story about his cousin's arranged marriage comes up. And as a result, the protagonist eventually realizes the hidden feelings of his cousin, his younger sister, and his childhood friend──

By being deeply connected with these girls, a new kind of summer begins.

Set during the summer in the countryside, with the alluring love and desire of these 3 girls intertwine, begins an immoral love story.

[Translated and edited from the [official website](https://argonauts-soft.com/products/ms30/#story)]

## Characters
### Takahagi Ruriko (高萩 瑠璃子)
The heroine of the first story, the protagonist's cousin.

From the protagonist's point of view, Ruriko's family is his "Head Family." The Takahagi family is well-known in the area, its members are bank managers, so they are very wealthy. Born and raised as the only daughter of such a family, Ruriko has the looks and behavior like that of an [i]ojousama[/i]. However──contrary to her appearance, she secretly harbors passionate desires. Since an early age, she sees the protagonist, her cousin, as a "Man."

When her undesired arranged marriage comes up, the lust that has been hidden within her finally overflows.

[Translated and edited from the [url=https://argonauts-soft.com/products/ms30/characters_01.html]official website[/url]]

- **Gender:** Female
- **Hair:** Black, Long, Straight
- **Body:** Slim, Pale, Young-adult, Mole, Big Breasts
- **Eyes:** Violet
- **Clothes:** Dress, Bikini, High Heeled Sandals, Sun Hat
- **Personality:** Deredere
- **Role:** Cousin, Wealthy
- **Voiced by:** Ayumi Sarah

### Kinusa Shiori (絹佐 紫織)
The heroine of the third story, the protagonist's childhood friend. For a long time, she has been harboring her feelings for the protagonist.

Shiori originally had a weak body, which resulted in her being a bit withdrawn. Therefore, taking a step forward from being a "childhood friend," was a difficult task for her. And for Shiori, she is fine with it as long as the four of them stay friends, and it cannot be anything else, however......

Before she knows it, her group of friends has become completely different than before. When she learns of it, the feelings she had kept inside finally blossoms, like the blooming of a large sunflower.

[Translated and edited from the [url=https://argonauts-soft.com/products/ms30/characters_03.html]official website[/url]]

- **Gender:** Female
- **Hair:** Brown, Twin Tails, Long
- **Body:** Teen, Slim, Pale, Big Breasts
- **Eyes:** Red
- **Clothes:** Skirt, Knee-high Socks, Pantyhose, Court Shoes, Blouse, Yukata, Ribbon Tie, Hair Tie, Unusual Hair Ornaments, Zouri, Sailor School Uniform, Loafers
- **Personality:** Deredere, Watashi
- **Role:** Childhood Friend, High School Student
- **Voiced by:** Fuurin Misuzu

### Takahagi Miku (高萩 美玖)
The heroine of the second story, the protagonist's younger sister.

Even though she looks cuter than most people, there is still something which makes her looks boyish. In addition, she is somewhat a peculiar girl, because she always wants to be with her brother. The kind of siblings relationship between them will continue to stay this way. Miku naturally bears that in mind, however......

One night, she witnesses the affair between her brother and her cousin. And because of that, Miku finally realizes after all this time, hidden within her, a certain desire.

[Translated and edited from the [url=https://argonauts-soft.com/products/ms30/characters_02.html]official website[/url]]

- **Gender:** Female
- **Hair:** Pink, Ponytail, Sidehair
- **Body:** Teen, Slim, Pale, Big Breasts
- **Eyes:** Amber
- **Clothes:** Skirt, Shorts, Sports Shoes, Knee-high Socks, Blouse, Suspenders, Hair Tie, Crop Top, Sailor School Uniform, Loafers, Wedge Sandals
- **Personality:** Deredere, Boku, Ignorant, Tomboy, Naive, Honest, Docile, Loner
- **Role:** Cousin, High School Student, Younger Sister, Sexual Submissive
- **Voiced by:** Aono Musubi

## Shops
- [Official Website](https://argonauts-soft.com/products/ms30/index.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1340824)

## Releases
### Japanese
- **2024-04-12**: Natsu e no Hakobune I - Trial Edition - [Official website](https://argonauts-soft.com/products/ms30/special_trial.html)
- **2024-05-31**: Natsu e no Hakobune I - Standard Edition - [Official website](https://argonauts-soft.com/products/ms30/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=36038), [Getchu](http://www.getchu.com/soft.phtml?id=1287652)
- **2024-05-31**: Natsu e no Hakobune I - Download Edition - [Official website](https://argonauts-soft.com/products/ms30/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=36038), [DMM](https://dlsoft.dmm.co.jp/detail/moonstn_0034)
- **2024-05-31**: Natsu e no Hakobune I - Dakimakura Cover Included - [Official website](https://argonauts-soft.com/products/ms30/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=36038), [Getchu](http://www.getchu.com/soft.phtml?id=1274295)
- **2025-07-25**: Natsu e no Hakobune 1 - DVDPG - [Official website](https://hobicolle.com/detail/?t=707), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=3009716), [Getchu](http://www.getchu.com/soft.phtml?id=1334610), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=hcdp196/)
- **2025-10-31**: Natsu e no Hakobune 1 + 2 + 3 Pack - [Getchu](http://www.getchu.com/soft.phtml?id=1340824)

### Chinese (simplified)
- **2024-05-31**: Shixiang Xiatian de Fangzhou 1 - [Official website](https://2dfan.com/downloads/23076)

### English
- **TBA**: Summer's Ark 1

## Tags
ADV, Male Protagonist, Ojousama Heroine, Deredere Heroine, Nukige, Early Sexual Content, Cousin Romance, Protagonist's Cousin as a Heroine, Love Overcomes All, Fictional Modern Day Japanese Countryside, Summer, Super Deformed CGs, Arranged Marriage, Ejaculation Forewarner, Background Moans, Voiced Thoughts, Cliffhanger Ending, Backlog Jump, Heroine with Big Breasts, Blood-related Cousin Incest, Defloration, Single Handjob, Only Virgin Heroines, Only Blood-related Heroines, Cowgirl, Outdoor Sex, Single Blowjob, Cunnilingus, Single Boobjob, Heroine with Beauty Mark, Protagonist's Sister as a Support Character, Adult Breast Sucking, Missionary Position, Bathroom Sex, Protagonist's Childhood Friend as a Support Character, Only a Single Heroine, Standing Sex

## More Games from Argonauts
- [Uchi no Kanojo](https://pinovel.net/v22658)
- [Uchi no Imouto](https://pinovel.net/v22725)
- [Uchi no Koibito](https://pinovel.net/v22726)
- [Kara no Shoujo - Bishoujo Gakuen 1 -](https://pinovel.net/v27654)
- [Tsuki no Shoujo - Bishoujo Gakuen 2 -](https://pinovel.net/v27655)
- [Sei no Shoujo - Bishoujo Gakuen 3 -](https://pinovel.net/v27656)
- [Mamiya Mami wa Iyashite Agetai](https://pinovel.net/v33130)
- [Yuuri to Marin wa Iyashite Agetai](https://pinovel.net/v35645)
- [Oshino Ruka wa Iyashite Agetai](https://pinovel.net/v35646)
- [Natsu e no Hakobune I](https://pinovel.net/v49542)
- [Natsu e no Hakobune II](https://pinovel.net/v49543)
- [Natsu e no Hakobune III](https://pinovel.net/v49544)

---
*View the full details at [pinovel.net/v49542](https://pinovel.net/v49542).*

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