You and your class are on a class trip on Jeju-Island, the whole class is in a guest house.

It was late at night but you still couldn’t sleep so you decided to have a walk on the nearby beach, after you walked some steps you saw a bow sitting on a rock that is half in the water. As you came closer you saw that your classmate Hyunjin was sitting there with a bottle in his hand. Shouldn’t you be sleeping and are you drinking? you asked. I could ask you the same, why are you here? he said