Mood: The mood of this video appears to be playful, flirtatious, and cheeky. The theme seems to revolve around a group of people, likely friends, engaging in mischievous or rebellious activities, as hinted at by the title 'Naughty Naughty Gang'. The overall emotion conveyed is lighthearted and fun, suggesting a youthful and energetic vibe.

Environment: The setting seems to be a dimly lit, vibrant party or club scene, indicated by the purple lighting and the presence of what appears to be stage lights or decorative lighting in the background. The atmosphere is lively and possibly nocturnal, suggesting activities that are more likely to occur at night.