Kim Hyoyeon is a tricksy and stubborn girl who lived in the USA. She was well educated. However, Hyoyeon was the main character of the "1 vs 17" legend. Feeling disappointed with Hyoyeon's terrible study result and her violent fights, Lee Il Hwa, Hyoyeon's mom, decided to arranged a marriage for her daughter with a rich guy. The purpose was to re-educate Hyoyeon and also to earn some money for Il Hwa. The rich guy was a gangster. Hyoyeon knew this but her mom didn't believe her. Hyoyeon ran away with the help of her brother, Kim Yesung. She came to Korea, disguised as a boy and joined Hanjoo High School. She met Eunhyuk there, who was a teenage football player. And so on, lots of funny and interesting stories were told. Hyoyeon then realized the value of life. She started to live well and also, to fall in love.

* Main Characters:

Eunhyuk (17):

♥ A teenage footballer, who played as a forward

♥ 2nd-year student of Hanjoo High School

♥ Cold, silent but considerate

♥ Had a terrible past

Kim Hyoyeon (17):

♥ A stubborn girl who was born in the USA

♥ 2nd-year student of Hanjoo High School

♥ Cold, silent, quite naughty but innocent

♥ Very good at fighting, druming and hacking games

Kwon Yuri (17):

♥ An arrogant teenage model

♥ 2nd-year student of Shinji High School

♥ High self-confident, quite disrespectful but not a mean girl

♥ Loves Eunhyuk

Lee Junho (17):

♥ A childish teenage footballer who played as a forward

♥ 2nd-year student of Hanjoo High School

♥ Good sense of humor, warm-hearted, kinda narrow-minded

♥ Eunhyuk and Hyoyeon's best friend

* Supporting Characters:

Kim Yesung (19):

♥ Hyoyeon's big brother

♥ 3rd-year student of Hanjoo High School

♥ Generous, warm-hearted, trustful and takes good care of his sister

♥ Hanjoo Football Team's captain

Kim Ryeowook (17):

♥ A teenage footballer who played as a backward

♥ 2nd-year student of Hanjoo High School

♥ Funny, quite arrogant and feminine but very kind

♥ Goes crazy because of Yesung and hates Hyoyeon a lot

Choi Min Hwan (16):

♥ 1st-year student of Hanjoo High School

♥ A talented drumer

♥ Target of bullying and was saved by Hyoyeon

♥ Hyoyeon's dream boy

* Minor Characters:

Oh Yoon Ah (35):

♥ Hanjoo High School's principal

♥ Quite strict but very funny

♥ Eun Seo's cousin

Son Eun Seo (30):

♥ Shinji High School's principal

♥ An interesting woman who really loves art

♥ Yoon Ah's cousin

Lee Il Hwa (41):

♥ Hyoyeon and Yesung's mother

♥ Loves money but also her family

Park Si Yeon (36):

♥ Eunhyuk's stepmother

♥ Loves money more than her family

Lee In Ha (44):

♥ Junho's father

♥ Believed that Jae Kyung was a good person

♥ Did not trust Junho

Lee Jae Kyung (29):

♥ Junho's big brother

♥ A psycho murderer who tried to steal money from his dad

* Trailer: