On the last year of his college course, Junmyeon practically lives and breathes for the scholarship he needs to attend the prestige university he dreams of getting into. All he needs are extra credits on top of his outstanding grades, so when his professor tells him the easiest way to acquire it is to tutor newcomer freshman-student Irene once a week for a whole term, he's estatic. Teaching math has always been his strong point.

It should be easy, right?