children
clipart
cute
education
education materials
elementary school
emotion
face
face mark
facial expression
good job
graphic
grins
hanko
homework
icon
illustration
infographic
job well done
learning
mark
material
medium format
nekochan
nico nico douga
nicochan
nicochan mark
pass
pict
pictogram
school
seal
smile
smiley
stamp
this chan
vector
well done