Fear, Sugar, Lust.
Yoonjin made puppy eyes, or doe kitten eyes rather, and Hosun stopped breathing.
Sunny pressed the interphone on the wall that would enable him to speak to or listen to whatever the person on the other side, had to say. He didn't speak though, he just switched it on. On the other side, Yoonjin saw the interphone little light turn green, meaning Hosun could now hear him. He spoke,
"Open up, please. I know you're in, sunshine. I just wanna talk. Please," he begged, his mouth a little pouty as he spoke softly but audibly.