The strongest son-in-law in history
He has been reborn four hundred and ninety-nine times through another world, and the fifth hundredth time is a door-to-door son-in-law? Extremely talented, and still looked down upon by people in various ways?
Oh, when I completed the task, I opened the ability of 499 times in my previous life - not that I blew it, everyone present is spicy chicken!