Chuuya Nakahara, 16 years old... Temperamental, hot-tempered, ardent, but within the walls of the port mafia, calm, serious and hardworking.  He has red hair and brown eyes.  Because he did his job well, he got a small apartment.  Now he is a high-class fighter of the port mafia and a person who knows jewelry well.  Has the ability to manipulate gravity, the name of the ability is "Gloomy Sadness".  Has friends from the Flags company, his friends are Lippman, Albatross, Pianoman, Doc, Iceman