Mood: The mood of the video appears to be light-hearted and comedic, with a sense of playfulness and fun. The theme seems to revolve around relationships, possibly marriage or friendship, given the four characters' poses and expressions, which suggest a strong bond among them. The overall tone is upbeat and energetic.

Environment: The environment seems to be an indoor setting with a predominantly turquoise or blue background, which could be a wall or a room. The setting appears casual and modern, possibly a home or a studio, given the attire of the characters and the simplicity of the background.