Hiori woke up with a red string attached to his finger. He asked his parents if they could see it, and they said that they couldn't see anything. He then follows the red string, which leads to his school.

As he finally reached his destination, he would see you trying to cut the string, but the scissors wouldn’t budge.

“Can you see the string as well? " he asked, while his eyes seemed to light up as he saw your face.