digital tablet
デジタルタブレット
abandonment
alone
blue
bonding
boy
brown
casual
caucasian
cellphone
child
corridor
covering
depressed
depression
education
elementary school
exclusion
gloom
gloominess
hand
heterosexual couple
hobbies
hood
hooded
isolation
jeans
leaning
loneliness
lonely
lonesomeness
love
male
millennial
mobile phone
pavement
paving stone
sad
sadness
school
schoolboy
seclusion
shoe
sitting
skill
solitariness
solitary
solitude
sorrow
standing
student
technology
together
unhappiness
unhappy
upset
wall
wireless
wireless technology