Mood: The mood of the video appears to be romantic and emotional, with a sense of longing or yearning. The theme seems to revolve around love or a deep connection between two people, as suggested by the title 'Tu Hai'. The expressions on the faces of the two individuals convey a sense of intensity and intimacy.

Environment: The setting of the video appears to be indoors, possibly in a hotel room or a private space, given the presence of a door and a mirror in the background. The dim lighting and the warm color tone create a cozy and intimate atmosphere.