It's getting really hard to deny that Asuka would dislike having "something" with Tomoko, she is really attracted to her somehow. That being said... I'm the only only that feels a relationship with her would be "difficult"? She seems possessive, and because Tomoko is kinda carefree and perverted the relationship could be stressful.
Also, I'm not asking for the two to "get together", I'm only asking for something to happen to see how the two would talk, because Asuka is a christian, right? I would like to see a christian character talking about homo things in a manga, just to see what could come from it.