dawn /dôn,dän/ : the first appearance of light in the sky before sunrise; become evident to the mind; be perceived or understood.

"I love sunrises more than sunsets, but since I met you, I learned how to hate them."

That dawn, they were drunk, she was in love, he was devastated. 
That dawn, he hugged her, she remembered, he doesn't.
That dawn, she fell in love, he didn't.

Oh Sehun and Heo Yoojin were college-mates, dorm-mates and best-mates. Everything went wrong ever since Yoojin started to discover new feelings due to Sehun's special treatment of her. Being the foolish in love her, she decided to avoid Oh Sehun to the max, in order to protect herself and avoid being hurt.