Why, Yukiko, why!? You had something actually legitimate going on and you threw it away!
Wait... I actually think that there's a way this could be salvaged: Mai going to the place Asumi works at. It'd actually work especially well, given Mai's established weakness in contrast to the typical power dynamic Asumi has experienced thus far.
Finally. I've been waiting for those two to actually do stuff together. Fuu and Yukiko are the OTP, no questions asked.