---
title: "Summer Days ★ Otouto"
description: "Summer vacation is around the corner! You and your friend promised to go to the swimming pool together. However, looks like your little brother has something to"
image: "https://t.vndb.org/cv/16/51716.jpg"
---

# Summer Days ★ Otouto

![Summer Days ★ Otouto](https://t.vndb.org/cv/16/51716.jpg)

**Alternative Title:** サマーデイズ★弟

**Developer:** Ending Error

**Release date:** Jul 1, 2018

**Platform:** Windows

**Language:** Japanese

**Rating:** 5.8/10 (avg, 4 votes)

## Description
Summer vacation is around the corner! You and your friend promised to go to the swimming pool together.
However, looks like your little brother has something to say...

## Characters
### Inori (いのり)
- **Gender:** Female
- **Aliases:** 姉貴, Aneki
- **Hair:** Blond
- **Eyes:** Amber
- **Personality:** Airhead, Carefree, Kind, Naive, Docile, Brother Complex, Emotional, Flustered, Watashi, Idealist, Obedient
- **Role:** High School Student, Nameable, Older Sister
- **Subject of:** Teasing, Manipulation, Guilt

### Kakeru (かける)
- **Gender:** Male
- **Hair:** Brown
- **Personality:** Proactive, Yandere, Kind, Smart, Protective, Jealous, Blunt, Manipulative, Resilient
- **Eyes:** Black
- **Engages in:** Teasing, Manipulation
- **Subject of:** Injury, Amputation
- **Role:** Middle School Student, Younger Brother

## Shops
- [Official Website](http://endingerror.web.fc2.com/summer/index.html)

## Releases
### Japanese
- **2018-07-01**: Summer Days ★ Otouto - [Official website](http://endingerror.web.fc2.com/summer/index.html), [Freem!](https://www.freem.ne.jp/win/game/17972), [Freegame Mugen](https://freegame-mugen.jp/adventure/game_7279.html), [BOOTH](https://booth.pm/en/items/2801748)

## Tags
ADV, Brother/Sister Romance, Female Protagonist, No Sexual Content, Under the Same Roof, Otome Game, Summer, Yandere Hero, Protagonist's Younger Brother as a Hero

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- [Puke](https://pinovel.net/v33210)
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- [Christmas no Shiawase na Ouchi](https://pinovel.net/v33706)
- [Kiri-kun to Watashi.](https://pinovel.net/v33463)
- [Summer Days ★ Otouto](https://pinovel.net/v33121)
- [Paradise Lost/Fake World](https://pinovel.net/v33119)
- [Christmas Ewww！](https://pinovel.net/v42861)
- [Chocolate & Honey](https://pinovel.net/v42862)
- [Little Blue Forelsket](https://pinovel.net/v33462)
- [April Fool no Kami ni Otouto o Moraimashita!](https://pinovel.net/v33103)

---
*View the full details at [pinovel.net/v33121](https://pinovel.net/v33121).*

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```