She reminded him of something beautiful.
His ex-lover was a woman who loved to play games. She would lure men with her enchanting voice, then leave once she felt they were of no use to her. Unfortunately, Taehyung was among one of the many men she played. Feeling distraught, he poured his feelings into messages for her, hoping she would at least contact him in someway. Though he never actually expected her to respond. To his surprise, she did. At least, that's what he thought.
"They say that once the heart has been sliced open, it will always be an open wound." (Ch.11)
*mostly in 'text' format with full sentences like the one above*