Kyoshi is a Japanese boy who lives in USA since he was born. His parents got divorced when he was five years old. Because of this he had a trauma. His mother was always busy so she hadn't time to spend with her son. When Kyoshi became 18 yearsold, his mother married another man. At this time, Kyoshi decided to go to live in Japan only to escape from living with his step father. His mother agreed to his decision so she sent him to her family which is a traditional family.