This is a well-travelled football!
Identified thanks to the names written on it, the ball was set adrift by the tsunami that hit Japan over a year ago. It was washed ashore in Alaska!
Its proud owner is Misaki Murakami: he received this treasured possession from his schoolmates when he got transferred to another school. The teenager became a minor celebrity after it was located.
set adrift 使某物隨波漂流
washed ashore 衝到岸上
was located 被找到