Park Leeteuk

-16 years old

-studies in all boy school

-gives out an aura that need to be protect

-fragile

-doesn't like violence

-attracts a lot of students

-he's sweet, angelic, innocent, cheerful, shy and the prettiest boy in school

Park Heechul

-24 years old

-Leeteuk's oldest brother

-protective of Leeteuk

-he always send Leeteuk and Kyu to school

-he always monitor Leeteuk

-he hates Siwon

-he manages their's family companies

Park Kyuhyun

-18 years old

-Leeteuk's second older brother

-very protective of Leeteuk as well

-will even gave up his games for Leeteuk

-genius

-doesn't want anyone to get near Leeteuk except for some people

Choi Siwon

-16 years old

-fall in love at first sight with Leeteuk

-son of a rich tycoon

-will do anything to win Leeteuk's heart as well as to defeat his protective brother

Lee Donghae