Mood: The mood of the video appears to be romantic and playful, with the man and woman sharing a lighthearted moment. The theme seems to revolve around youthful love and friendship, given the title 'Yaariyan' which translates to 'Friends' or 'Buddies'. The overall emotion exuded is carefree and joyful.

Environment: The setting of the video seems to be outdoors, possibly in a snowy or rainy environment, given the man's and woman's attire, including a scarf and a fur hat. The blurred background suggests a natural setting, possibly a park or a street.