As the sun set and the evening breeze stroked gently, a few butterflies in the flowers were startled. The butterflies waved their beautiful wings and danced around his body. A blue swallowtail butterfly rose with the wind and landed on the ground. On his shoulders, quietly parked... the wind of hell, a lone killer. Facing him, there is a feeling of spring breeze, which makes people forget life and death. Return to the red dust of the city.