^^^^^ The comments on several manga sites reveal that a lot of people would rather have their brains blown out than admit that Asuka and Tomoko are in some kind of yuri dance together. What do they need? Does Tomoko have to wrestle Asuka onto the ground and go down on her?
Hey now, Asuka and Tomoko are in a yuri dance, I'm not denying that, but in this specific instance, they didn't. or rather, Tomoko was too embarrassed to go through with it.