We've downloaded and played the game on our end and didn't encounter the bug you mentioned. However, we've rebuilt the game and transformed it into a web version, hoping this might assist you. Please try playing in full-screen mode. Thanks!
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We deeply apologize for the inconvenience you've experienced with the dialogue bug. We're currently investigating this issue as we're unsure of the cause.
We regret that this has impacted your experience negatively, and we're committed to resolving this matter. Your feedback is invaluable and will aid us in addressing and fixing these technical difficulties.
Thank you for your patience and understanding.