Mood: The mood of the video appears to be melancholic and introspective, with a focus on heartbreak and emotional pain. The title 'Heartbreak Mix' and the somber expressions on the faces of the individuals in the image suggest a theme of lost love and longing.

Environment: The environment or setting of the video is not explicitly clear, but based on the images of the individuals, it appears to be a mix of intimate and casual settings, possibly including urban or indoor locations. The gray and black background with a textured effect gives a sense of grittiness and emotional turmoil.