Board Thread:Questions and Answers/@comment-223.27.94.3-20131012185849/@comment-3445779-20131012195554

223.27.94.3 wrote: Hinagiku suddenly started calling Hayate by the first name after the marathon race..what was the reason exactly? Do you mean on why she called him by his family name ("Ayasaki-kun") after the marathon?

If so then, she called him that because she was still mad at him after he had lured her on a suspension bridge during the Hakuo marathon and had also used her fear of heights to end their confrontation.