Updates Including Newly Added and Improved Stages Announcement (Jan 15)

Hello,
As of 7 P.M., January 15th 2025 (UTC+9), an update has been applied to the Nientum - Opus ZERO demo version.
- Added and improved story content
- Added and improved stages
- Added and refined overall visual effects
- Adjusted unintended note placements causing incorrect difficulty
- Translation improvements
- Resolved various bugs and performance optimizations
Please note that existing play data for those who have already played the demo will be reset.
Thank you.
