Mood: The mood of the video appears to be high-energy and dynamic, with a sense of movement and action. The use of blue hoodies and a monochromatic color scheme gives off a sense of unity and cohesion among the group. The theme seems to be related to dance or performance, possibly a music video or a dance routine.

Environment: The setting appears to be a studio or indoor performance space with a plain background, likely with a focus on showcasing the group's choreography. The lighting is bright and even, with a blue tint that matches the color of the hoodies.