Mood: The mood of the video appears to be romantic and carefree, with a sense of youthful energy. The theme seems to revolve around love, relationships, or heartbreak, given the title 'MISS NA KARU' which translates to 'don't miss' in English. The overall emotion conveyed is lighthearted and playful.

Environment: The setting of the video seems to be a vibrant and picturesque outdoor location, possibly during sunset or sunrise, given the pink and purple hues in the background. The sky with scattered clouds adds a serene and dreamy quality to the scene.