On the first day of every month, Wang Han would feel that the world had become strange, and the only thing that had not changed was himself. In the first month, the whole world practiced martial arts. In the second month, the world's economy became 22,000 dollars. In the third month, the world enters the future. In the fourth month, aliens invaded. In the fifth month, Earth is invading aliens. In the sixth month, Reiki is revived.