Sanji’s Brothers Are Joining in on One Piece World Seeker Haoson April 10, 2018 Console Games, Digital, PC Games Germa 66 and Sanji‘s brothers Ichiji, Niji and Yonji are confirmed to join on the upcoming Playstation 4 and PC title, One Piece World Seeker by Bandai Namco Entertainment Asia. The mentioned characters will have specific skill sets that Luffy will have to face in-game. Ichiji, the oldest brother Vinsmoke is a warrior using the power of Fire. Niji, the second eldest brother of the Vinsmoke family emits high speed attacks by covering his body with electricity. Yonji, the 4th eldest brother of the Vinsmoke family uses the wind to Skywalk. One Piece World Seeker is coming this year as part of the One Piece Big Projects.