Emma Stoneburner:
She owns the March of Pennies hospital. She didn't go to a medical school but her mother trained to be a doctor. She didn't like Joe at first, but he helped her save a seel's life, she changed her mind. She didn't want to marry Joe until he said that he was going adopted Sabrina.
Joe Kido:
He is 12 years old. He lived in Odaiba, Tokyo, Japan. He has a crush on Emma. He can sometimes be brave! A pessimist and hypochondriac, Joe thrives on worrying. Convinced that if anything can go wrong it will, his worry leads to constant indecision that results in panic. Although the other kids tease him about his incessant worrying, many times he is right. He has the crest of reliability.
Season two: Three years later, Joe is still studying. This time he's preparing for high school entrance exams. He's let his hair grow out.
Adult: He still is worrying. But he marries Emma and adopts Sabrina.