It had been only about 30 minutes and Hyungwon was already calling, asking me when will be hanging out. Without answering his question, I cut off the call and put my phone back on the table. As I was typing on my laptop keyboard, I felt someone was tapping my shoulder twice and when I turned around, I realized it was a junior of mine, smiling widely towards me. She handed me a piece of folded paper. As soon as it was in my hand, she bowed a little and headed to the exit quickly. I didn't even get to ask who it was from.

'What is it?' I stared at the paper in confusion. The fold was kind of messy, it was like someone was folding it in hurry. To break my curiousness, I opened the fold and found a note in it.

Meet me at the rooftop garden. 5 pm sharp.

I frowned. Then I looked behind the note, searching for a name or any clue of who was it. I scanned around the library, no sign of a person looking at me. Then I stared at the note once again. Still didn't get any hint of who was the sender.

"What's that?" Hari who was just came sat next to me and put all her things on the chair next to herself. She wasn't in the same major like us so our classes weren't the same. Her first class was just finished and she had two more classes after an hour of break.

"Oh, nothing." quickly I crumbled the paper and put it in my denim's pocket. I cleared my things to give her some space.

"Give me that." she roamed to my denim and took the crumbled paper out from it. She opened it and read the note inside. "Who's it from?"

"I don't know." I replied while biting my lower lip, flustered by her question.

"So? You'll go there?"

"N-no. It doesn't have name on it. What if the one who sent the note is a stalker or something creepier?"

"Oh, okay. Good." she shrugged and started playing with her phone.

Thank god.

"By the way, how did you know I'm here?"

"Your turtle told me." she replied then lazily grabbed her mineral water, sipping a litlle amount of it. "He seemed sulky. What did you do to him?"

"Nothing much." I said then continued focusing on my work. Well not that focused since the note kept making me thinking who was the sender and what did the person want from me.

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4.45 pm and I