When you feel a sudden painful gust of wind, you maybe encountering the yokai Kamaitachi.
Kamaitachis are three (3) weasels riding around a swirling wind with their sharp knife-like nails. These yokais are invisible and forces the wind towards people, attacking them. The first weasel hits the target hard and fast knocking the victim down while the second weasel cuts the victim and they feasts on the wounds. The third weasel applies medication to the wounds of the victim. They feed so quickly on to the victim’s wounds without them even realizing it.