What? Could it be that Juri is a lesbian? She just keeps a picture of a girl in her locket, hidden away. A girl she’s in love with. That’s not lesbianism. That’s just what normal gal pals do for their friends. She just wants to be Shiori’s roommate with whom she shares a bed. And then she gets a picture of Utena for her locket. Utena the princely girl who helps another girl break free, kisses her, and runs away with her. Because she admires Utena’s…uhm…fortitude, and strength. Nothing mildly gay about it
No not really. Juri is always been a lesbian since the beginning but she never admits it. Not until Shiori founds out that Juri is in love with her, she start to hurt her because both of the characters was interlized with homophobia
Juri leans more bi if you count that she had an obvious crush on Miki in the anime movie and some tension with him in the anime series and some official art.
In the movie Miki and Utena look identical and he's also 13. He's not manly, so it's not really a strong evidence towards Juri's bisexuality, and could even be read as Juri scrounging for any way for her to feel the semblance of heterosexual attraction. (that said, I don't think their interactions ever read like that, though it might be my poor memory)