Mood: The mood of the video appears to be upbeat, energetic, and carefree, with a theme of youthful camaraderie and joy. The bright colors and lively expressions on the faces of the four main characters suggest a lighthearted and entertaining tone.

Environment: The environment seems to be a casual, indoor setting with a white brick wall background, which provides a clean and modern aesthetic. The overall setting appears to be playful and relaxed, with the four friends posing in a fun and spontaneous manner.