Do you think you've got enough data to do an aspec lineup for Utena yet?
You're right, I have been remiss in my sacred duty. While I reserve the right to change my mind later, here are the results of some initial contemplation:
Gay ace Mikage. He gets compared to robots and computers for being unfeeling, which is a classic ace experience. I got the impression he had romantic feelings for Mamiya but didn't fully recognize them as such, perhaps because he didn't experience the physical attraction component. While he internalizes Ohtori's toxic norms and has ghost Mamiya play the role of the rose bride, it's an entirely chaste variation-while this is potentially because Mamiya is dead, he's also Anthy in cosplay so Mikage probably could touch 'him' if he wanted to.
Aro-spec Nanami. Obviously Nanami's rejection of Touga's advances in the Sex Car is her recognizing that Ohtori's cycle of sibling abuse and incest is wrong, and that's not what she wants. However maybe she doesn't want *anything* like that--in some ways, insisting that no man could surpass Touga allows her to avoid being in a romantic relationship while also not being the pathetic girl who can't get a boyfriend. She's choosing to be single! Because she has standards! Her one boyfriend is a 'safe' elementary school kid, although ofc as the Black Rose arc reveals maybe that wasn't so safe after all... and she wishes Tsuwabuki wouldn't grow up so fast. This would equally support a wlw reading I think.