Solo Scene! First scene, camera zoom in where you lying down while reading a book. Then next scene, you put the book on your face before pull it down and wink at the camera.
Second scene, you're making an experiment. You just mixing the liquid untill it's change the color. The next thing you just pour all the liquid on the floor with meaning smile while lip singing your part.
Third scene, it's the last part when all the members circling around you. You just laughing and play along with them.