My teacher romance

Short story about high school student jungkook . One day he woke up and go to school like the other days .. but this day wasn't like the others .. this day was different .. he was late so he ran in the class but he bumped into someone.. some man .. and this man is his new gym teacher. He was so angry that jungkook bumped him but jk just ran away to his class . The man can't get jk out of his head ever since .
( ignored my mistakes ... English isn't my first Language )