Hi, everybody!

I need you guys' help on finding a fanfic I read before.

The pairings are Topbom, SkyDragon and Darayang.

Bom is the main charactrer. 

Some of the characters:

Bom- she lives life like Cinderella. She has a step mom and step-sister who makes her life miserable. She finally escapes after her sister commits suicide and her step- mom goes to jail. Teddy is her Half-older brother. 

Seunghyun- One of the guys from bom's school. One day he get's invited to Bom's house and he finds out she lives a poor life in the attic of her own home.
Eventually they fall in love and date, but they break up when his ex has his baby.

CL- part of a gang and is married and pregnant with Kwon Jiyoung's baby.

Jiyoung-Part of a gang too. Husband of Chaerin.

Sandara-  a student at bom's school. She is also MIss Korea and hides a deep dark secret. She befriends Bom. Girlfriend of Taeyang and sister of Cheondoong/Thunder/Sanghyun.

Taeyang/Youngbae- also a student at Bom's school. Used to like Bom. After Sandara found out she runs away with CL and Bom.

Teddy- Half older brother of Bom and Minzy/Minji. he shares the smae dad as Bom and same mom as Minzy/Minji.

MInji/Minzy- half sister of Teddy. Her mom was the first wife os Bom and Teddy's dad and after they divorce she had her. (Bom's mom is the 2nd wife of her dad and the evil step-mom is the third wife)

Seungri- computer nerd(?) Hacker. Friend of Minzy.

Sorry for the mistakes.

Everyone can you please help me find out what story this is or this was.

 Thank you. ^_^