In a beautiful and calm metropolitan city of Karanganyar where there are cangih technology. And this city has a famous school in his country the school is the Champion High School. The one who is in the entry is very difficult and average, the famous scientist in the school. But this child is no exception, this child is only from ordinary parents not good at technology and does not have insiders but this child has the ability outside of reason. He is Symel Akara, a 17 -year -old teenager but he was able to solve problems in his city and he was nicknamed a genius Assassin. But that was not long after going up in grade 2 of high school in his mother's stay because his illness was gloomy and quiet and did not like the crowd when he was a cheerful and friendly at first but after he lived his mother he changed 180 ° he became naughty and often found hitting his own friend and at night he often minur beer until