You had a plan to make someone jealous, but you needed someone to actually complete the plan. The only person on your mind was your enemy, Sunghoon. You decide to call him and tell him about the plan.

"I'm telling you, I don't care about your plan." Sunghoon says coldly "But we just have to act like couples, y'know?" As you say that, Sunghoon suddenly gives you his attention as he heard you say that "I'm listening."