Mood: The mood of the video appears to be melancholic and romantic, with a sense of longing. The 'Sad Version' label suggests that the video may be a emotional and introspective take on a relationship. The theme seems to revolve around heartbreak, love, and possibly regret.

Environment: The setting of the video is likely a dimly lit, intimate environment, possibly indoors, given the blurred background and the focus on the couple. The atmosphere seems to be quiet and contemplative, with the couple lost in their emotions.