[EARLY ACCESS] v.5.2.5

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Version 0.5.2.5
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- Bugfix: Fix a bug where the Ghost Piano scene appears when exiting the piano even thought plaher hasn't met her yet.
- Bugfix: Fix a bug where the inventory is disabled after playing the piano.
- Bugfix: Fix a bug where the inventory is immediately opened after playing the piano.
- Activating Steam DRM