Tarō Nakatani

Shinji’s life has been ruined by the crime that his brother, Kyosuke, committed. Unable to forgive him, Shinji keeps his brother’s crime a secret from his fiancée. As Kyosuke is about to be released from prison, Shinji’s fiancée discovers the secret and leaves him. He is also left to reconcile with his estranged mother, while being pestered by a journalist who prompts him to rethink the reason for his brother’s actions.

「山王連合会」「White Rascals」「鬼邪高校」「RUDE BOYS」「達磨一家」という5つのチームが拮抗するエリア、SWORD地区。彼らは伝説のチーム「ムゲン」のリーダー琥珀が率いる湾岸連合軍との死闘に辛くも勝利し、SWORD地区はつかの間の平和を取り戻していたが、九龍グループによるカジノ建設計画をめぐり、仲間たちとの固い友情で結ばれた男たちはSWORD地区の未来を懸けて最大の決戦に挑む。