looking for special drama/sitcom

hello everyone,
i've a request...i'm looking for a drama/sitcom, but a special one, i've some critera...here they are :
- it has to be new, i mean, which was maybe in 2006, and which really work in korean with the young people,
- it has to be for people between 13 to 22-25 years old,
- it has be not to sentimatalist. with humor, maybe action, well some young stuffs...
- it has to deal with a true story, not just love affair,
- it has to please boys and girls,
- it has to have around 50 parts/episodes and more

please please, is someone have this kind of drama/sitcom??? because most of the kdrama are romantic stories.... i'm ok if there is in it, but i need something more around

i hope you will understand well, sorry my english is basic.
thank you everyone, i'm waiting for your answers!