Mood: The mood of the video appears to be energetic and lively, with a theme of celebration and joy. The presence of colorful pinwheels and a vibrant red backdrop suggests a festive atmosphere, while the enthusiastic expressions on the leads' faces convey excitement and passion.

Environment: The setting seems to be an outdoor performance or concert, possibly during a festival or event. The red and white backdrop, along with the presence of musical instruments, indicates a stage or performance area. The colorful pinwheels in the foreground add to the festive ambiance, suggesting a lively and dynamic environment.