Seohyun could feel her heart thumping up and down, her puffy cheeks gone red. She struggles to get off, shrieking, "Oppa! What are you doing?! Let me down!!"

"Hyun, you need to go sleep... Princess can't do cleaning up things. It is sinful!"

Seohyun cackles at Changmin's silly statement. With that, Changmin brought her to her room. He sat at the edge of the bed as he brushes Seohyun's silky hair.

"Everything about you reminds me to her.."

...And the past becomes a flashback, the memories that couldn't even be turned back. Everyone would have a mistake that they regretted the most and if they could, they want to fix for future's sake.

"Oppa."

....

"Changmin oppa!"

"Uh? Yes?" Changmin knocked off to the bitter reality.

"Oppa, why are we...." she sighs, "like 19 years apart?"

This question.

"Why are you asking that?"

"M