Pen pals l SeongSang

Prologue

Yeosang walked between the tall bookshelves of his college library, he was looking for the book his professor had written and would be using throughout the semester but without noticing he was now in the fantasy part of the library which had nothing to do with his search.

Between all the used books, one stood out from the rest. Pulling it gently out of the shelf, Yeosang saw the green cover was in a perfect state, the pages weren't wrinkled or stained like in other books.

"That's odd. Maybe people don't read this one as much as the others..."

Flipping through the pages, Yeosang found an envelope with a letter inside, he debated whether or not he should read it and ended up taking out the piece of paper and reading it.

"To the person reading this, please mail this envelope to the address already written on it to remind me to come read this book once more"

Yeosang quirked his eyebrow in surprise, weren't there easier ways to remember something than to ask a stranger to mail a letter to your personal address? Looking closer he saw there wasn't any name, only the address so he had no way of knowing who had written this.

The brunette put the envelope back in the book and the book back on the shelf, he took a few steps forward before going back, taking the envelope and leaving the library.

Yeosang was in front of a mailbox, holding the envelope in his hands. He had put his own information on the envelope so the person could know where it came from but was now having second thoughts about sending it. 

Should he really get involved with a stranger?

"Yeo, is that you?"

Yeosang looked to his right and saw his friends, Mingi and Yunho walking towards him.

"What are you doing?"

"Nothing!" He slipped the envelope inside the mailbox and smiled to greet his friends.

It's done, he thought. All he could do now was wait.