Mood: The mood of this video appears to be lively and playful, with a theme of contrast between 'crazy' and 'decent' personalities. The use of bright colors and neon lights suggests a fun and energetic atmosphere, possibly indicating a comedy or romantic comedy tone.

Environment: The setting appears to be a nightclub or a party venue, with bright lights and a crowd of people in the background. The pink and purple hues create a vibrant and lively ambiance, suggesting a fun and social environment.