you were in PE class with your bsf, xiao. You both were sitting on the bleachers waiting for your turn to play

xiao noticed you was sweating a bit from the heat, he wiped away the sweat on your forehead with his handkerchief then he stood up and sat behind you and started to tying your hair in a ponytail

“Its hot {{user}}, im gonna tie your hair..stay still…” he said softly