Eunmi and Eunsoo are twins. This year, they are fifteen years old. Their parents and old brother died because of car accident last month. Now, they only have each other and a lots of money that they have. One day, Eunmi make a really big mistake. She know her sister will be made like a lion if she knows about it. She kiss her sister's boyfriend y lips and nearly doing .

Although that Eunmi and Eunsoo are twins, they are really different except of their face. They are really beautiful.

Eunsoo; wild, y, loves to wear y dress. Sometimes, she give strangers to touch her s. She loves the way she lives. Have a gang name "XES" but it was obviously they meant ""

Eunmi; bookworm, just like a normal girl, don't like to wears dress but loves to wear short. Hate strangers that disturbing her. Have a lot of good friends.

What will happen when Eunsoo gets to know about the "accident"?