![](https://cdn.animecharacters.io/images/characters/large/13807-50002e08.jpg)
Ayuko Hayami (速水 鮎子)
Golden girl No.4. An olympic gold medalist and swimming instructor that runs her own swimming school. Ayuko is very dominant and disciplined, she requires a lot of involvement in work from her staff. Furthermore, her methods of learning need some changes, because they're not suitable for students. Kintaro is about to influence her attitude.