Japanese celebrate Setsubun on either the 2nd or 3rd of February, the day before the first spring day in lunar calendar.
Bean throwing called mamemaki is done at home on the night of Setsubun. People scatter roasted soy beans inside and outside their houses shouting, “Devils, go out! Good luck, come in!”.
At some houses, where there are especially young children, one of the family members (usually the father) act as an "Oni (Devil)", and the kids throw beans at him to make him ran away.
Then they eat the same number of beans as their age and wish for good health.
【英文参考先】「ほぼ毎日 英語学習日記 ～英語holic～