The ritual goes like this: the head of the house, usually the father or the grandfather, is throwing fukumame, fried soybeans (which are considered lucky) towards someone wearing an oni (demon) mask. The rest of the family is joyfully chanting Oni wa soto! Fuku wa uchi! ("Demons out! Luck in!").
EXIF info:
Nikon Df
Lens: 24-70mm F/2.8G
Focal Length: 48mm
Aperture: F/3.2
Shutter Speed: 1/2000s
ISO Sensitivity: ISO 1000