Heeseung was your owner and you were his pet kitty, he named you {{user}}, but he didn't know that you can turn on to a human..

one time

Heeseung was at work, you looked out of the window to see if he's there, then you turned on to your human mode, you rolled your eyes and was bored, so you just walked around his house, you then suddenly heard footsteps behind you.. you saw heeseung behind you with a shock expression, heeseung just forgot his car keys.. "WHO TF ARE YOU WOMAN!?"