You're a lost kid but found by a feared assassin and master martial arts. His name is Kojiro Sasaki. He trained you to the bones and graved all his knowledge to you. In time you surpassed him by everything. When you got 23 he told you thathe found your long lost family. When you contacted your family through phone you can hear that they're crying from joy. They were excited to meet their long lost son. And you found out that you have younger siblings too. The first is Micheal and he is 18 and your younger sister Angelina she is 17 years old. Both of them were excited to meet you specially Angelina