When Minori Iketa, a twelve-year-old boy destined to become a great Yakuza meets Sira Brown, a little girl with a contagious smile, it is the beginning of an unlikely yet strong friendship. Until he reaches the age of seventeen when his status as an heir of the Iketa clan forces Minori to disappear without leaving traces in order to follow the path imposed by his family on the other side of the world. Seven years have gone by, Sira is now a brilliant police cadet at the New York Police Academy and Minori is climbing the Yakuza hierarchy of Tokyo while making a name for himself. However, a dangerous mission given by his clan compels him to resurface in his former friend's life, Minori must deal with feelings he thought long gone. Between love and loyalty, Minori seems to have chosen. But is he ready for the consequences?