One Piece: The Stars of the Heavens

Transmigrator Luo Xing was an ordinary young man from the modern world. He unexpectedly transmigrated to the world of Pirate King and became an abandoned orphan, only to be taken in and raised by Garp in Foosha Village. On his eighteenth birthday, he activated a mysterious System that could summon powerful figures from the Myriad Worlds, and from then on embarked on an unprecedented path as a pirate!