Jonghyun: 18 years old. Main Singer of their school band.. Key: 17years old. transfer Design Faculty Student in their school. Onew: 18 years old.A cute clumsy boy(Studying in the Chemistry faculty), Jonghyun’s friend Minho: 17 years old. Known as the most popular boy in school. Sports faculty. Later to be TaeKey’s friend. Taemin: 16 years old! A flower boy.:), later to be MinKey’s friend. ;)