---
title: "SISTERS ~Natsu no Saigo no Hi~"
description: "A New Life Start Within a family, a secret lies undiscovered. A boy suddenly wakes up in a house and sees a woman he does not know in front of him. This woman e"
image: "https://t.vndb.org/cv/56/93156.jpg"
---

# SISTERS ~Natsu no Saigo no Hi~

![SISTERS ~Natsu no Saigo no Hi~](https://t.vndb.org/cv/56/93156.jpg)

**Alternative Title:** SISTERS ～夏の最後の日～

**Aliases:** Sisters ~The Last Day of Summer~

**Developer:** Jellyfish

**Release date:** Apr 28, 2011

**Platform:** Windows

**Language:** English, Japanese, Korean, Russian, Vietnamese, Chinese (simplified), Chinese (traditional)

**Rating:** 7.5/10 (960 votes)

## Description
**A New Life Start**
Within a family, a secret lies undiscovered. A boy suddenly wakes up in a house and sees a woman he does not know in front of him. This woman explains she lives in this house with her two daughters and invites our protagonist to start his life with them, to enjoy a simple life.

**Meet the Kamimura Family**
With a clumsy mother like Akiko and her kind daughters Haruka and Chika, your new daily life will be different from what you were used to. Spend time and learn more about your new family, forming a unique and heartwarming bond.

**Fully Animated Visual Novel**
Featuring fully voiced and animated scenes, feel each character's personality and intentions more vividly and naturally as you dive into the story. Each scene was carefully thought out and created to keep you hooked from the very first moment you start your new life.

[From [JAST](https://jastusa.com/games/jast058/sisters:-last-day-of-summer-pre-order)]

## Characters
### Keisuke (けいすけ)
- **Gender:** Male
- **Aliases:** 本多 圭佑, Honda Keisuke
- **Measurements:** Height: 175cm
- **Subject of:** Amnesia, Accident
- **Role:** Nameable
- **Items:** Guitar
- **Clothes:** Pendant Necklace

### Kamimura Akiko (神村 秋子)
- **Gender:** Female
- **Measurements:** Height: 167cm, Weight: 53kg, Bust-Waist-Hips: 99-61-99cm
- **Birthday:** 2 October
- **Hair:** Blond, Ponytail
- **Eyes:** Blue
- **Body:** Young-adult, Visible Nipples, Big Breasts
- **Role:** Widow, Mother, Not a Virgin, Single Parent, Art Teacher
- **Personality:** Clumsy, Smart
- **Voiced by:** Kozuki Kureha

### Kamimura Chika (神村 千夏)
- **Gender:** Female
- **Measurements:** Height: 154cm, Weight: 43kg, Bust-Waist-Hips: 72-50-73cm
- **Birthday:** 20 August
- **Hair:** Blond, Shoulder-length
- **Body:** Teen, Small Breasts
- **Eyes:** Green
- **Role:** Daughter, Full Sister, Half-orphan, Younger Sister, Half-sister
- **Items:** Guitar
- **Personality:** Mature
- **Voiced by:** Himuro Yuri

### Kamimura Haruka (神村 春香)
Haruka is a beautiful young woman with long black hair and a voluptuous figure. Her personality is gentle and reserved. Talented and dexterous, Haruka excels in various areas. She's musically gifted, playing the flute and composing with skill. She also shines in household tasks like cooking and sewing, often outperforming her mother and sister.

[Based on Wikipedia]

- **Gender:** Female
- **Measurements:** Height: 160cm, Weight: 47kg, Bust-Waist-Hips: 88-57-87cm
- **Birthday:** 4 July
- **Hair:** Black, Shoulder-length
- **Body:** Teen
- **Engages in:** Cooking, Shopping
- **Eyes:** Blue
- **Subject of:** Accident
- **Role:** Daughter, Full Sister, Girlfriend, Yamato Nadeshiko, Half-orphan, Older Sister, Half-sister, Pre-Story Virginity Loss to Protagonist
- **Personality:** Kind
- **Clothes:** Hairpin, Pendant Necklace
- **Items:** Flute
- **Voiced by:** Momoi Ichigo

### Akira (晶)
Chika's friend and classmate.

- **Gender:** Female
- **Measurements:** Height: 154cm, Weight: 46kg, Bust-Waist-Hips: 83-55-82cm
- **Birthday:** 5 October
- **Hair:** Short
- **Clothes:** Glasses, Sailor School Uniform
- **Role:** Friend, Classmate, Present in Flashbacks Only
- **Voiced by:** Fujita Natsumi

### Boy (少年)
- **Gender:** Male
- **Hair:** Shoulder-length
- **Role:** Son, Boyfriend, Present in Flashbacks Only
- **Clothes:** Pendant Necklace
- **Voiced by:** Harada Tomotaka

### Cat (猫)
[url=/c155139]Elderly Shop Owner[/url]'s pet cat. 

Maruta is [url=/s3940]Makinojimusho[/url]'s mascot, based on [url=/p287]Jellyfish[/url]'s pet Mokume.

- **Gender:** Unknown
- **Aliases:** 丸太, Maruta
- **Role:** Based on a Real Person, Cat, Pet

### Chizuru (千鶴)
[spoiler][url=/c153783]Keisuke[/url]'s mother. [/spoiler]

- **Gender:** Female
- **Hair:** Brown, Shoulder-length
- **Body:** Slim
- **Role:** Divorcee, Mother, Teacher, Band Member, Single Parent, Present in Flashbacks Only
- **Eyes:** Tareme

### Elderly Shop Owner (店員の老婆)
Owner of the convenience store NOWSON. [url=/c155138]Middle-Aged Man[/url]'s mother.

- **Gender:** Female
- **Body:** Old
- **Role:** Mother, Shop Clerk
- **Voiced by:** Shion Miyabi

### Kamimura Ryousuke (神村 良輔)
- **Gender:** Male
- **Hair:** Black
- **Role:** Husband, Divorcee, Father, School Band Member
- **Engages in:** Remarriage
- **Subject of:** Pre-Story Death

### Kawai Minayo (河合 美奈代)
[url=/c9919]Kawai Rie[/url]'s mother.

- **Gender:** Female
- **Aliases:** 看護婦, Nurse
- **Measurements:** Height: 165cm, Weight: 50kg, Bust-Waist-Hips: 90-61-87cm
- **Birthday:** 2 October
- **Hair:** Blue
- **Body:** Pale
- **Eyes:** Green
- **Role:** Mother, Nurse
- **Voiced by:** Shion Miyabi

### Middle-Aged Man (中年男)
A neighbor. [url=/c155139]Elderly Shop Owner[/url]'s son.

- **Gender:** Male
- **Body:** Overweight
- **Clothes:** Glasses
- **Role:** Son, Friend, Neighbor, Band Member
- **Voiced by:** Nakazawa Ayumu

## Shops
- [Official Website](http://www.jellyfish-pc.com/sisters-ue/top/index.html)
- [Steam](https://store.steampowered.com/app/2781750/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ006602.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=755920)

## Releases
### Japanese
- **2011-01-25**: sisters ~Natsu no Saigo no Hi~ Trial Edition - [Official website](http://www.jellyfish-pc.com/sisters/index.html)
- **2011-04-28**: sisters ~Natsu no Saigo no Hi~ First Press Edition - [Official website](http://www.jellyfish-pc.com/sisters/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=7475), [Getchu](http://www.getchu.com/soft.phtml?id=236925)
- **2011-06-10**: sisters ~Natsu no Saigo no Hi~ Regular Edition - [Official website](http://www.jellyfish-pc.com/sisters/top.html)
- **2011-10-07**: sisters ~Natsu no Saigo no Hi~ Download Edition - [Official website](http://www.jellyfish-pc.com/sisters/top.html), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ006602.html), [Gyutto](https://gyutto.com/i/item76748), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0063029/), [DL.Getchu](http://dl.getchu.com/i/item1003670)
- **2013-02-22**: SISTERS ~Natsu no Saigo no Hi~ Ultra Edition - [Official website](http://www.jellyfish-pc.com/sisters-ue/top/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=17792), [Getchu](http://www.getchu.com/soft.phtml?id=755920)
- **2014-11-14**: SISTERS ~Natsu no Saigo no Hi~ Ultra Edition - Download Edition - [Official website](http://www.jellyfish-pc.com/sisters-ue/top/index.html), [DMM](https://dlsoft.dmm.co.jp/detail/jveilelwy_0001/)
- **2022-11-25**: SISTERS ~Natsu no Saigo no Hi~ Ultra Edition - Repackage Edition - [Official website](http://www.jellyfish-pc.com/sisters-ue/top/index.html)
- **2022-11-25**: SISTERS ~Natsu no Saigo no Hi~ Ultra Edition - Repackage Deluxe Edition - [Official website](http://www.jellyfish-pc.com/sisters-ue/top/index.html)
- **2024-06-04**: SISTERS ~Natsu no Saigo no Hi~ Ultra Edition - Demosaic Patch - [Official website](https://2dfan.com/downloads/23261)

### Chinese (simplified)
- **2011-06-02**: Sisters ~Xiari Zuihou Yitian~ - [Official website](https://bbs.sumisora.net/read.php?tid=10999187)
- **2013-02-24**: Sisters ~Xiari Zuihou Yitian~ Ultra Edition - [Official website](https://bbs.sumisora.net/read.php?tid=11044508)
- **2024-06-04**: SISTERS ~Natsu no Saigo no Hi~ Ultra Edition - Demosaic Patch - [Official website](https://2dfan.com/downloads/23261)
- **2025-06-06**: Sisters: Last Day of Summer - Censored Edition - [Steam](https://store.steampowered.com/app/2781750/), [SteamDB](https://steamdb.info/app/2781750/info/)
- **2025-06-06**: Sisters: Last Day of Summer - 18+ Content DLC - [JAST USA](https://jastusa.com/games/jast058_r18dlc/sisters-last-day-of-summer-18-content-dlc)
- **2025-06-06**: Sisters: Last Day of Summer - [Official website](https://jast.games/games/sisters-last-day-of-summer), [JAST USA](https://jastusa.com/games/jast058/sisters:-last-day-of-summer)

### Russian
- **2022-11-26**: Syostry ~posledniy den' leta~ Ultra Edition - [Official website](https://vk.com/wall-73391729_9246)
- **2024-10-26**: Syostry ~posledniy den' leta~ Ultra Edition - [Official website](https://vk.com/wall-73391729_9883)

### English
- **2024-06-03**: Sisters: Last Day of Summer - [Official website](https://jast.games/games/sisters-last-day-of-summer), [JAST USA](https://jastusa.com/games/jast058/sisters:-last-day-of-summer)
- **2024-06-03**: Sisters: Last Day of Summer - 18+ Content DLC
- **2024-06-03**: Sisters: Last Day of Summer - Censored Edition
- **2025-06-06**: Sisters: Last Day of Summer - Censored Edition - [Steam](https://store.steampowered.com/app/2781750/), [SteamDB](https://steamdb.info/app/2781750/info/)
- **2025-06-06**: Sisters: Last Day of Summer - 18+ Content DLC - [JAST USA](https://jastusa.com/games/jast058_r18dlc/sisters-last-day-of-summer-18-content-dlc)
- **2025-06-06**: Sisters: Last Day of Summer - [Official website](https://jast.games/games/sisters-last-day-of-summer), [JAST USA](https://jastusa.com/games/jast058/sisters:-last-day-of-summer)

### Vietnamese
- **2024-06-14**: Sisters: Hạ tàn - [Official website](https://www.facebook.com/61552471389902/videos/1659866251520154/)

### Korean
- **2024-11-26**: Sisters: Yeoreumui Majimak Nal - [Official website](https://store.onstove.com/ko/games/3895)
- **2024-11-26**: Sisters: Yeoreumui Majimak Nal - Korean Language 18+ Patch - [Official website](https://store.onstove.com/ko/games/3895/community/128618/view?articleId=10527393)

### Chinese (traditional)
- **2025-06-06**: Sisters: Last Day of Summer - Censored Edition - [Steam](https://store.steampowered.com/app/2781750/), [SteamDB](https://steamdb.info/app/2781750/info/)
- **2025-06-06**: Sisters: Last Day of Summer - 18+ Content DLC - [JAST USA](https://jastusa.com/games/jast058_r18dlc/sisters-last-day-of-summer-18-content-dlc)
- **2025-06-06**: Sisters: Last Day of Summer - [Official website](https://jast.games/games/sisters-last-day-of-summer), [JAST USA](https://jastusa.com/games/jast058/sisters:-last-day-of-summer)

## Tags
Mystery, ADV, Yamato Nadeshiko Heroine, Blood-related Brother/Sister Incest, Non-blood-related Brother/Sister Incest, Romance, Brother/Sister Romance, Male Protagonist, Linear Plot, Single Ending, Amnesia, Mother Support Character, Group Sex, Deredere Heroine, Nameable Protagonist, Spontaneous Sex Scenes, Family, Protagonist's Non-blood-related Sister as a Heroine, High Sexual Content, Group Sex of One Male and Several Females, Student Heroine, Early Sexual Content, Under the Same Roof, Harem Ending, Slice of Life Drama, Heroine with Sexual Experience, Adult Heroine, Widow Heroine, Food Discussions, Other Perspectives, Non-blood-related Mother/Son Incest, Musician Heroine, Flashback, Musician Protagonist, Protagonist with a Face, Defloration, Summer, Unreliable Narrator, Heroine with Jeans, Missionary Position, Sounds of Copulation, Twin Blowjob, Long Sexual Scenes, Date Display, Musician Hero, Open Ending(s), Bukkake, Cunnilingus, Past Japan, Balls Sucking, Doggy Style, Countryside, Ejaculation Choice, Meaningless Choices, Interactive Movie, Shimaidon Ending, Ambient Sounds, Heroine's Mother as a Heroine, Kissing Scene, Gokkun, Background Moans, French Kiss, Amnesiac Protagonist, Heisei Era, Protagonist's Half-sister as a Heroine, Single Blowjob, Non-twin Heroine Sisters, Protagonist's Younger Sister as a Heroine, Flat Tints Only, Shimaidon, Heroine with Pre-story Virginity Loss to the Protagonist, Love Triangle, Protagonist's Non-blood-related Mother as a Heroine, Protagonist with Sexual Experience, Romancing a Family, Braless Heroine, Heroine with Big Breasts, Colored Texts, Nukige

## More Games from Jellyfish
- [GREEN ~Akizora no Screen~](https://pinovel.net/v973)
- [GREEN ~Akizora no Screen~ Gaiden Greenhorn](https://pinovel.net/v48914)
- [Lovers ~Koi ni Ochitara...~](https://pinovel.net/v549)
- [SISTERS ~Natsu no Saigo no Hi~](https://pinovel.net/v3896)

---
*View the full details at [pinovel.net/v3896](https://pinovel.net/v3896).*

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