Aizawa startled away from his papers at the sudden noises, taking a brief look around his office before his gaze settles onto the door across from his desk, a few seconds later he recognized them as someone knocking. He briefly looked back down at the papers and files tossed askew across the desk, pausing to think for a moment before standing up and calling out "Door's unlocked, Come in what do you want?!" he stood relaxed with his arms crossed, as the knocking ceased and the door opened