The sound of flames downstairs was the signal to shift the grip on her blade, anticipating that the target would be coming through any moment now. Then he did--just not through the door, and not in a situation that she could have struck at him. Even with all the speed in the world, the most likely outcome would have been to cut Bunny's head off first; the situation wasn't desperate enough to start sacrificing allies in the name of victory.

Bunny's brains were safely not blasted across the room by an unexpected explosion, the roar of which briefly made the yakuza wonder how on Earth they'd managed to get her mother to show up here--drunk. Reality asserted itself as the Daidouji went flying, being launched  by necessity in her general direction. There was no chance of getting his head from here (and she didn't wish to try splitting his brains in two) but from the angle there was a chance...

The old man had wanted to remove "only one" limb each? Let's see how he liked losing an arm before even reaching the floor.