At 30-years-old, the oldest son Fuu is a free person, but unemployed. His real father is Shinzo Okura. His mother was a hostess at a bar, so his father could not publicly reveal that Fuu was his son. At one point, Fuu wanted Chisato to become his girlfriend, but the real purpose of it was to keep his many girlfriends at bay. He has fifty different licenses, including one for boxing. It is revealed that Fuu knew all along that Chisato was Shinzo's daughter and his half-sister
Vova
