Rebirth of My Father of the Same Age

It tells the story of a father who was reluctant to let go of his precious son. After dying with hatred, he was reborn, and he was also reborn in the body of his son's archrival in the class. What kind of hilarious and heartwarming story will happen now? When the wheel of fate has tilted, how should this father, who is "the same age" as his son, make up for his debt to his son? (If it's not Danmei, don't enter if you don't like it)