A strange monster-related incident occurs in a rural town! A monster born from the grudge of unwanted hair attacks Fumie Sakura, a girl who lives there. Then a monster boy, O-O-O-No Shinnosuke, and his father, Daddy Little Balls, come to the rescue. They are looking for the family's mother. This was the beginning of the epic case of the monster-related problems that would ravage the town.