Dad is the Big Villain

McCarthy travels back in time to a novel and becomes a beloved boy picked up by a passerby and raised as a son.
The cheap dad is handsome, but he is also poor and narcissistic. He brags every day that he is the best in the world.
But McCarthy didn't hate him. McCarthy was very fond of Poor Dad.
McCarthy had always been sensible and rarely made demands.
Until one day, when his father took him out to play, he met...