They got punishment of needs to work as a team. They called it cursed. But as time passed, the punishment lead into something else. Deeper relationship.            

This story takes place in the period which Seungri High's students began busying themselves into the university exam. I do not want to change a thing, Go Nam Soon was still the class president and of course Song Ha Kyung is the Vice president. It's been 5 months since they were graduate from second grade. It's busy time for them. But yeah..I'm not gonna tell a story about they school activities but it was all about Park Heung Soo and Lee kang Joo who start to become closer to each other. But the other couple (NamKyung) also included he he he he.