The specific contents of "HS.7z" depend on where you downloaded it, but they generally fall into three categories:

Usually a collection of "Cards" (character presets), clothes, or plugin updates. 📂 Common Contents

The new content should appear in the character creator or the clothing menu. ⚠️ Important Note

Essential DLLs or scripts needed to run the game on modern systems (e.g., BepInEx plugins). 🛠️ How to Use Extract the File: Use 7-Zip or WinRAR to open the archive.