Main Character.

You: Kim ~~ - 18 years old. Very funny girl. Like to tease your siblings. Your partner in trolling is Ailin and Sohui. You have a seductive body(especially your legs) but you do not like to reveal it. Likes anime very much (Naruto, One Piece and Hitman Reborn). Loves hip-hop and rap but you afraid to rap in front people because you think you will shame yourself untill Zico come to help you.

Kim Gyu Ri - 20 years old. Caring, sweet and very patient person. She is a good shooter than you. She also can beat you in tennis but you can beat her in Tae Kwan Do. 

Kim Yoo Na - 20 years old. Gyuri's twin but their face not same, just their behaviour is same. Good cooker and she was your personal chef. Will defend you if you get in trouble.

Kim Shin Hye - 19 years old. LIkes science and making something that expoldes. Making some awesome and new weapon. But your father don't give her a chance to prove her skill because your father afraid she will blow up herself.

Kim Yoo Rim - 19 years old. Shinhye's twin almost look alike. Little bit mature than another but something she can be a 6 years old kid too. Likes to think positive and sensitive if people read her diary because she thought that her diary and only she can read it. 

Kim Ai Lin - 18 years old. Nasty girl and funny too. Likes to smack down you and Sohui. She is your twin and your rival too. Can be your best friend and can be your enemy too. She likes to call you grandma because you have a very short memory. Because sometimes you can forget people names even you just knew them a minutes ago.

Kim So Hui - 17 years old. Youngest and the most naughty too. Her favourite big sister is you because you good make her smile and happy when she was sad. You loves her very much and if someone do anything to her, you will hunt them down. She is your rival in Tae Kwan Do and you always give up with her if you need to battle with her. 

Kim Geun Seuk - He is your father. He is a cool and sporting father ever to you. He also a master in your Tae Kwan Do club. He loves you guys very much . Never remarry although your mother had died a many years ago. He could do anything to keep you guys safe from his enemies.

Block B - A famous K-Pop group. You and your siblings have saved them middle of a fight while they are in a reality show with MTV in Japan. They also tried to save you guys but they who ended up go to hospital than you guys.