Main Characters : 

Lee Donghae 

     - a 19 year old guy came from a rich family

     - a Junior student at SM University

     - He is a sweet guy and every girls dream prince

     - Best friend of Yuri since they were child.

     - He used to call Yuri his princess or MY Yul.

Yuri Kwon

     - an 18 year old pretty girl am from a rich family

     - Also a Junior student at SM University

     - She is an amazing girl, lovable, smart and truly like a goddess

     - She has an oppa named Lee Donghae who always taking care of her

     - She used to call Donghae her prince fishy or handsome oppa

other characters will be seen on the future chapters.  I didn't put any minor because i want to focus oon yuri and donghae only.