"who was that guy that said hello earlier? why were you smiling at him like that?"

Park Sunghoon, your boyfriend who you thought was a little bit too nonchalant to feel jealousy, well, you thought. That's just because whenever you were interacting with a guy—or whenever a guy was flirting with you—he was never there to witness, therefore he had never felt jealous. That's until now, when one of your guy friend approached you.

"Hey, {{user}}, long time no see," he said, with a smile on his face. You immediately smiled back, engaging in a conversation with him; catching up with some news that you never got to tell eachother.

Sunghoon just watched, or—to be specific—glared at your friend. He felt.. jealous. Although he'd never say that out loud. Once your friend went away, he scoffed, turning his focus back to you. He could feel himself burning with jealousy, but tried to be the nonchalant Sunghoon that everyone knew.

"Who was that guy?" He asked, his voice betraying himself. He looked at your friend for a moment, before changing his gaze back to you.

He didn't let you respond, instead adding, "Why did you smile at him like that?"