"Excuse me... what?" Hyunjae asked, looking incredulously at Yerin. He was certain that the girl had gone crazy. Maybe that's why she had no identification. Maybe she'd escaped from a mental ward. 

"Think about it," she demanded, stepping back and looking at him intently. "Really think about it. I just appeared out of nowhere, right? I have nothing except my ID card and schedule... and honestly, I have no clue how I got those. You left without me to the arcade, but how did I know you were there? It's because I wrote that scene." 

Hyunjae took a step back, fear taking a hold of him. 

"Why did I try stalling at the snack bar?" she continued. "Because I knew the kiss scene was coming up. I knew that you would be heartbroken because I wrote that pain. Why was I surprised that you agreed to come home with me? Because you weren't supposed to. I hadn't written you to go home. But you changed your mind, somehow you did." 

Yerin took the steps closer to him again, and he resisted the urge to step away. 

"I'm Kim Yerin," she whispered. "I'm an author." 

At that, Hyunjae did move backwards, tripping over his own feet and crashing to the floor. She was immediately by his side, her eyes wide with concern, but he pushed her away, trying to make sense of everything. 

"So you're telling me right now that... that the world I'm living in isn't real? And you expect me to believe that?" he asked her. That was crazy. Absolutely ridiculous. 

And yet... it made sense. 

"I'm an author." Something clicked inside of him. Was this... was this why her voice had felt so familiar? 

"Do you have another explanation?" she demanded. 

Hyunjae closed his eyes, inching away from her. "Yeah. You're insane. That's it. You're just a crazy person." 

"I told you that you wouldn't believe me," she huffed, sitting on the floor beside him and crossing her arms in annoyance. They sat there in silence for about a minute, Hyunjae trying to stop the spinning of his head. He'd never felt more disoriented. 

"I have an idea!" she yelled, so suddenly that he jumped, startled. She grabbed his hand and before he even had a chance to react she'd pulled him up, and dragged him to his room. "Your computer," she explained, letting go of his hand and going into his bookbag, pulling out his laptop. He didn't even bother to ask how she knew he always left it in there. Maybe she was a stalker. 

"Do you think my email account transcends worlds?" she asked him excitedly, grabbing his hand again and pulling him closer so that he'd have a better view of what she was doing. She sat down at his desk and placed the computer on top of it. 

"I have no idea what you're talking about," he mumbled, watching her open his computer and get the password right on the first try. "But how do you know my password." 

"We have more important matters right now," she told him, logging into her gmail account. She gasped, jumping up and almost hitting his face with her head. "It works!" she screamed. "It actually works here!" 

"Yay," he muttered. "I'm so happy for you." 

Yerin shot him a sidelong glance. "Sarcasm doesn't suit you," she told him, her eyes confused again. "That's out of character." 

If she said something about characters, or books, or authors, one more time, he would...

He would... 

He would leave. 

What? This was his house. 

Okay, so he had no idea what he'd do. But he didn't have to think about it, because she gasped again, dropping back into the chair. 

"Hyunjae," she said, her voice deathly quiet, and so serious that it made him nervous. "It actually worked." 

"What did?" 

"My story. My book. Here... here it is."