4 pairs
boys
brothers
care
children
colorful
couple
cute
dad
descendants
elementary school students
family
for the elderly
front
girl
grandma
grandpa
icon
illustrations
infant
inheritance
japanese people
junior high school students
life
lifestyle
middleaged
mom
my brother
my grandparents
my sister
of large families
oniichan
parents
person
pose
senior
set
smile
systemic
three generations
variations
white back
young and old
youth