Mood: The mood of the video appears to be playful, flirtatious, and romantic, with a hint of drama. The theme seems to revolve around relationships, love, and possibly friendship, given the dynamic between the three main characters. The overall emotion exuded is lighthearted and carefree.

Environment: The setting appears to be a studio or indoor location with a plain background, given the uniformity of the lighting and the focus on the characters. The environment seems modern and possibly urban, given the attire of the characters and the overall aesthetic.