Setsubun: Throw some beans to ward off evil!

February 3 marks the start of a new season. Distract those demons by throwing beans and shouting "Oni wa soto! Fuku wa uchi!" (Demons out! Luck in!). This ritual is called Mamemaki.
Enjoy these links with more info about Setsubun!
Wikipedia: Setsubun
Anime News Network
Danny Choo (of course)