Kang Kyungwon was a kind, quiet, humble and out-going teenager in HIgh Girls School. She was pretty and had a well-proportioned body which many girls are envious of. She didn't really realise Minkyung's existence because she was busy studying all along but have heard her name mentioned from others. When they were at 10th grade, they finally met each other 

Kim Minkyung was the campus belle. She was pretty and popular in HIgh Girls School. Same for her, she didn't know there was someone called kyungwon until 10th grade ...