One Piece: My Grandpa Is Garp

Because of his father's backstabbing, he traveled through time. Traveled to the world of One Piece. He became Garp's grandson, Zoro's master uncle, had a close relationship with Maginot, and had a crew of cute and weird crew members. And he followed the trend of the times and eventually became the strongest, overthrowing the rule of the Tianlong people. In the end, I found out that this was just... The world is a big dream, and life has its cool moments in autumn. This book is also called "My Father's Backstab Caused Me to Time Travel to a Pirate"