Handaka Sonja is the Arhat Panthaka who has great magical powers. He is able to fly in the sky and to increase and reduce the size of his body. Once Handaka Sonja was ordered to subjugate and convert Apahala, the Dragon King. This is the reason that he is often depicted with a dragon.
The Setsubun bean-throwing ceremony, mame-maki, takes place on February 3rd, when the head of the household scatters holly beans (which feel red-hot to lurking demons ) and shouts fuku wa uchi, oni wa soto [good fortune in, demons out].