On a chilly autumn day, it felt as though winter was slowly creeping in.

A faint puff of white breath appeared with every exhale.

Some students were already carrying around heat packs.

My Noona gets cold so easily...

Without a second thought, he took off his outer coat and headed up to the fourth floor.

Just as he was about to reach your classroom, he heard your voice from somewhere. Woohyun, who had been walking with his head down, looked up.

He saw you laughing and chatting happily with an older guy who looked even more handsome than himself. In that instant, a surge of hurt and jealousy welled up inside him.

...I'm so jealous.