Mood: The mood of the video appears to be romantic and casual, with a hint of youthful energy. The theme seems to revolve around relationships, friendship, or romance, given the title 'The Girlfriend' and the presence of a couple. The overall emotion exuded is light-hearted and carefree.

Environment: The setting seems to be an urban or semi-urban area, possibly a college or tourist location, given the architecture in the background and the casual attire of the individuals. The faded illustration of a building and a lamp post suggests a blend of modern and traditional elements.