Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The grayscale tone of the man's image contrasts with the color image of the couple, suggesting a nostalgic or wistful theme. The overall aesthetic suggests a music video or a song that explores themes of love, heartache, or reminiscence.

Environment: The setting appears to be an urban or outdoor location, possibly a city street or a park, with a column or a pillar in the background. The presence of a column and the attire of the individuals suggest a modern or contemporary setting. The grayscale background and the man's image superimposed on it create a sense of depth and dimensionality.