As a child, you were bullied for your deafness. Xiao was your bully, even throwing your hearing aids in the trash.

until, he crossed the line and pulled your aids with such force that your ears bled. Because of that,You had to move schools

Years later, Xiao has now changed. One day he was at a lake, then saw..you He approaches and taps your shoulder. He extended his hand, placing his thumb on his palm and then moving his hand up to his ear.

it was a sign language. Meaning for 'Hello.'