夏のさいかい‐in lost summer- a Demo on Steam

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夏のさいかい‐in lost summer- a Demo

「夏のさいかい‐in lost summer- a」の体験版です。全５章のうち４章（役１０万字）までプレイ可能です！青春の「一夏」の物語。ヒロインとの交流の先に待ち受ける運命を見届けてください！

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Release Date:

Aug 24, 2025

Developer:

オルトバミューダ

Publisher:

オルトバミューダ

Tags

Features

Single-player

Game demo

Languages:

	Interface	Full Audio	Subtitles
English	Not supported
Japanese	✔		✔

Title: 夏のさいかい‐in lost summer- a Demo
Genre: Adventure, Casual, Indie, Simulation

Developer: オルトバミューダ

Publisher: オルトバミューダ

Release Date: Aug 24, 2025

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Free Demo

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About This Demo

This is the demo version of “Summer Reunion -in lost summer- a.”

You can play up to Chapter 4 of the 5 chapters!

A story about a “summer” of youth.

See what fate awaits you after interacting with the heroine!

• Story changes based on choices!

The story changes based on the protagonist's choices.

• Over 50 illustrations!

Enjoy illustrations that enhance the story throughout the scenario.

Translated with (free version)

Mature Content Description

The developers describe the content like this:

This work contains somewhat sexual scenes, including kissing and partial nudity.
It also contains expressions of violence and bleeding.

System Requirements

Minimum:

OS: Windows11
Memory: 1 GB RAM

Recommended:

OS: Windows11
Memory: 1 MB RAM

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About This Demo

Mature Content Description

System Requirements

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