Mood: The mood of the video appears to be romantic and intimate, with a sense of passion and closeness. The theme seems to revolve around love or desire, given the physical closeness of the couple and the title 'FEVER', which could imply a strong attraction or obsession.

Environment: The setting of the video seems to be outdoors, likely in a forest or a grassy area with trees and greenery in the background. The presence of grass and trees suggests a natural, serene environment, which contrasts with the passionate and intimate mood of the couple.