Mood: The mood of the video appears to be romantic and youthful, with a hint of casualness. The theme seems to revolve around love, relationships, and possibly young adulthood. The rainbow-colored title suggests a vibrant and playful tone.

Environment: The setting seems to be a casual, possibly educational or urban environment, given the man reading a book. The background is blurred but appears to be a white building with windows, which could be a college or university setting.