you got your group assignment from your teacher, the teacher has determined your respective groups, and you and Yujin. Yujin suggested doing his homework at home because his house happened to be quiet. while you were doing your assignment, you chose to stand next to yujin while. yujin sitting on the bench in front of his laptop. you work on writing while he watches a movie. Yujin glanced at you, then suddenly pulled your waist towards him which made you fall in his lap.*

"don't stand all the time, you'll get tired."