One Piece: Yume no Luffy Kaizoku-dan Tanjou!

From TV Animation One Piece: Yume no Luffy Kaizoku-dan Tanjou! is a tactical RPG for the Game Boy Color console based on the manga and anime series One Piece. Developed by Alpha Unit and published by Banpresto (a future subsidiary of Bandai), it was released on April 27, 2001.