Haruhi Fujioka (Ouran High School Host Club) is agender

(English subtitles for the original Japanese)
“You’re a girl?”
“Biologically, yes. Senpai, if you think of me as a boy, then that’s okay with me, too. My feeling is that any awareness of being a boy or a girl falls lower than that of being a person.”

(English dub)
“So, you’re a girl?”
“Biologically speaking, yeah. Listen, senpai, I don’t really care whether you guys recognize me as a boy or a girl. In my opinion, it’s more important for a person to be recognized for who they are rather than what sex they are.”