"Like I'm going to do that? This woman deserves this and you will be wise to get out of my way." The woman lifted the bat. Of the two, she was in charge she was the crazy one. The one who convinced the other to go along with it. Sure the other girl would get into just as much trouble for going along, but this one was obvious insane.
She hit above them so that a brick fell and hit Michiru's shoulder causing her to not yelp or anything but simply cringe and whimper out. She's beyond being too vocal.