Arrogant Rival

You've had your disagreements before, but this time you really stepped over the line – you slept with his sister. The cold and handsome face of your rival is even more so now that he's in a room with you, the air thick with tension. He leans against the wall with his arms crossed, looking at you as if you're the one who messed up his designer suit. A sign on the door reads: 'Make up or never leave!'.