Mood: The mood of the video appears to be sentimental and emotional, likely a heartfelt tribute to the mother. The theme seems to revolve around the love and significance of a mother in one's life. The use of the phrase 'SOUL OF VARISU' suggests that the song may be a pivotal element in the narrative, possibly highlighting the protagonist's journey or emotional depth.

Environment: The environment or setting of the video is not explicitly shown, but based on the illustration, it seems to have a soft, dreamy quality, possibly indicating a flashback or a moment of introspection. The background's watercolor-like texture adds to the emotional and nostalgic feel.