Dragon Ball: The Legend of an Earthling

In the vast world of martial arts and divine powers, a new legend is born. Zentaru, the son of the legendary swordsman Zoro from One Piece, was trained from birth to surpass his father. At the peak of his strength, Zentaru, a world-renowned swordsman and mixed martial artist, meets an untimely death at 24, only to be reincarnated on Earth in the Dragon Ball universe. Stripped of his power but retaining his vast knowledge, skills, and Enma, his father's treasured sword, Zentaru begins his journey anew.

Reborn as a 5-year-old earthling, Zentaru's determination to break human limits and surpass even the gods sets the stage for an epic saga.

ps.I'm bored again