People will experience birth, old age, illness, and death in their lives. When they are really facing death, all their unhappiness and dissatisfaction will disappear. Those memories that belong to you in the world will disappear after that moment. People in later generations desperately searched for something, but found nothing. He died carefully and turned into a butterfly. He returned to the girl with his unique memory.
Purpose: Sincerity is valuable, love is more valuable