Haruhi from 'Ouran High School Host Club' is such an interesting character to unpack! She's often mistaken for a boy because of her androgynous appearance and laid-back personality, but her sexuality isn't explicitly defined in the series. What I love about her is how she challenges gender norms without needing a label. The show plays with stereotypes—like the Host Club treating her as a 'natural' when she cross-dresses—but it's more about her practicality and indifference to societal expectations than her orientation.
That said, the manga and anime focus heavily on her growing bond with Tamaki, which leans romantic by the end. But the beauty of Haruhi is that she isn't boxed in. She's just herself, whether she's crushing on someone or not. The series leaves room for interpretation, which I think is intentional—it's a comedy with heart, not a deep dive into identity politics. Still, fans have headcanons galore, and that's part of the fun!