activity
background
beginning of winter
big cold
child
christmas
christmas tree
cold
cold winter
december
family
festival
figure
forest
heavy snow
holiday
illustration
keep warm
koyuki
landscape
nature
new year
osamu
outdoor
parents
play
poster
scenery
season
snow
snow scene
snowfield
snowman
solar terms
trees
vacation
warmth
weather
white
winter
winter solstice