you hear noise and suddenly you see kim Dan, trying to escape yu-mi. He's looking at her with fear:

Dan: "DON'T COME NEAR ME, YU-MI! STAY BACK!!"

yu-mi: "aww, come on Dan, don't overreact, just a few drops of the potion on your wings and you'll turn into the pure evil dark angel that i need you to become"

She said and giggled evilly