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Gal Big Sister Z：Extra Contents for Kanako

This content requires the base game Gal Big Sister Z on Steam in order to play.

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Features
Single-player
Downloadable Content
Steam is learning about this downloadable content 
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Simplified Chinese ✔ ✔
Traditional Chinese ✔ ✔
Japanese ✔ ✔ ✔

Downloadable Content

This content requires the base game Gal Big Sister Z on Steam in order to play.

This content is not yet available on Steam

Planned Release Date: Aug 27, 2026

This content plans to unlock in approximately 2 weeks

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Mature Content Description

The developers describe the content like this:

This content (Extra Contents for Rena) contains explicit adult content, including full nudity, depictions of genitals, and graphic sexual scenes/acts. All characters depicted are over 20 years old.

About This Content

◆ Product Description: Extra Contents for Kanako

This DLC is a deluxe bonus set designed to enhance your enjoyment of the main game.

It features must-see content for fans, including voice dramas available nowhere else.

◆ 【Included Content】

・ Motion Collection: View all 4 motion data sets that bring out the character's charm.

・ Voice Drama (2 episodes total): Enjoy fully voiced side stories not told in the main game.

◆ Content Warning

This DLC contains content that may not be appropriate for all ages,

or may not be suitable for viewing at work.

Includes nudity or sexual content, and general adult content.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

(The text displayed in the picture audio dramas was created using AI translation tools.)

System Requirements

    Minimum:
    • OS: Windows 11
    • Processor: 1+ GHz processor
    • Memory: 1024 MB RAM
    • Graphics: VRAM 128MB以上
    • DirectX: Version 9.0c
    • Storage: 1600 MB available space
    • Sound Card: Direct Sound
    • Additional Notes: Japanese language must be displayed and usable.
    Recommended:
    • OS: Windows 11
    • Processor: 2+ GHz processor
    • Memory: 2048 MB RAM
    • Graphics: VRAM 256MB以上
    • DirectX: Version 9.0c
    • Storage: 1800 MB available space
    • Sound Card: Direct Sound
    • Additional Notes: Japanese language must be displayed and usable.
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