Prologue

Egotistic, shameless and self-absorbed, Park Jimin finds himself in trouble when his father kicks him out of his house and takes away all his credit cards. Desperate and jobless, he succumbs to working as a mathematics teacher in a highschool his friend runs. Little does he know those chaotic teenagers would turn his life upside down.

Especially that one straight A student who just can't mind her own business.