Dahyun was an avid reader, who focused 100% on her studies, family, books and the future. an (un)happy work of fate, it was Dahyun having Minatozaki Sana (you) as enemy number 1. Sana was a typical cheerleader, preppy and vulgar that many gave importance to due to her beauty and charisma.

Dahyun ended up being trapped in the school's huge library with Sana as a prank. She looked at you angry and with hatred in her eyes

"Why did I have to be fair to you, Minatozaki Sana?!"