When Aizen spotted the man running towards the noise and disturbance nearby, he immediately flash-stepped in order to get ahead of him... Frankly, he didn't really care about keeping the secret of his Powers here -- although there was some fuss about "Supes" upon the network (one that Aizen himself had prudently stayed out of, save of course, to take note of who those "supes" were!). At any rate, he had have to made some effort to utilise his powers here, just to see if he could in the absence of any Reishi, and flash-step after all, was a simple enough task to manage that by...
At any rate, he found himself facing -- a half-breed of some sort...? Aizen could not be certain what it was, of course, but he was equally certain that he could make use of this -- creature, somehow... Certain, in fact, that he had some sort of hidden talent that could be exploited, somehow...!
Anyway's, he found his companion in heroism, completely dumbstruck shortly behind him, and so he stepped forward, smiling gently. "Hallo...! Please.... watashi no wakai musuko... Tell us what's the matter, that we might be of some assistance...?"