Харука Урасима

Кэйтаро's aunt owns a tea house near the Hinata Inn, which she also opens at the seaside during the summer. She prefers not to be called "aunt" and corrects Keitaro when he does so. She is thoughtful and reasonable. She sings well. In her youth, she had a romantic relationship with Seta Noriyasu, and she still has romantic feelings for him. She eventually marries Seta Noriyasu.