One Piece: Path to Power - Power Leveling

An ordinary young man reincarnates as Adrian, the eldest son of a once-prominent noble family now living out in boonies of the kingdom. Watch as Adrian embarks on a tantalizing journey, to support his graceful and caring mother and feisty older sister, as a man should, with his seduction system.

“Mr. Qi Lin, may I ask how you thought about joining the entertainment circle from a sports student?”

“Uh, I said that I was there to deliver lunch boxes, do you believe me?”

- Description from novelbuddy

Orodan was an orphaned street rat who clawed his way to the county militia with hard work. However calamitous events unfold and draw him into events bigger than himself and Orodan's battle-loving disposition leads to a warrior's death for him. Only for him to wake up again on the day of.In a world of skills, titles and blessings; a smart time looper would perhaps scheme, plan, amass equipment and allies. But not Orodan. If there's one thing he's good at it's stubbornly trying the same thing over and over again via brute force till it's done.If a wall is in front, going around is not an option. Instead batter it with your head thousands of times till either the wall breaks or you do. And gain skill levels along the way