Loot Direction Fruits at the Beginning

What? You said that apart from being useful to navigators, the Direction Fruit is not as good as the most common animal devil fruit for ordinary people. Brother, I don't know if you have ever heard of Accelerator. In other words, it seems that you have given this fruit the wrong name. I think it is more appropriate to call it vector fruit. The protagonist, Rosen, just traveled from the Earth Star to the Blue Star for a month and became a freshman in high school. On his way home from school, he encountered the security team arresting the Blood Worship Cult for raping someone. He was affected. At the critical moment, the predator system was activated and he was randomly transported to an unknown island in the world of One Piece. Within two days of adapting, he encountered another group of pirates who invaded... A little slow to heat up, try to be reasonable.