Irregular Talent

Three century has passed since the Akuma Mountain the wall that divides east and west brought down by the greatest earthquake in history and making people of the east and west finally meet each other. At that time they discover that people of the east talented with technology and people of the west talented with magic. Unfortunately, a war broke out and World War 1 happen. After 20 years of war, the war ended with the victory of the east. Aki, a 16 years-old boy living in the eastern region after peace agreement sealed confessed by a girl named Shiyumi. Aki rejects her and they go to a separate way when exiting school. After reach home, Aki studied Shiyumi biodata and found something strange about her data and her school grades but he ignores it as he will never meet her again. One night, he met Shiyumi and she discovers that Aki was a hacker who assassinates bad guy when the night had veiled the pole. The girl exchanged her secret to Aki as she tells him that she was from the family of western royal researchers.