One Piece Is Invincible at the Beginning

Roja was originally an otaku, but because of death, he had no choice but to travel to the world of pirates. I just crossed over, but I didn't expect that the crossing place was Impel Down City. "Damn, I didn't expect to be so unlucky. Is this really a normal time travel?" But the system is turned on. . . "I didn't expect that I would be invincible at the beginning. It was really lonely. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.