This is an idea I've had for a while.
Will be a chapter story.
Everyone was on edge. The recent breach was devastating. Yes, it was dealt with appropriately, but there was still major tension. And nobody felt it more than Team RWBY. Having been there at the breach, the four huntresses were still having a difficult time dealing with the aftereffects. They were also being regularly asked questions, which was getting on Yang's nerves. Today was her turn, and she couldn't be any more upset.
She was led to a room with only one window to the outside. It wasn't too far a drop, and with Ember Celica she could easily get herself down safely. Waiting inside, sitting in a chair, was Glynda Goodwitch. The last person Yang wanted to see. "Please sit down Miss Xiao Long. This won't take any more than a few minutes." The huntress requested. Yang reluctantly did so, but she knew better when she only said it wouldn't take long.
"I know I have asked you these questions before, but please bear with me. Answer them to the best of your ability. Now, prior to the breach, did you know this was going to happen?"
"No. Not until we rescued Ruby."
"I see. What was your original mission?"
"Exterminate Grimm located in the southeast region."
"And why did you deviate from that plan?"
That question. It was the only question she couldn't answer. "I don't know. It just...happened." the blonde replied. "That answer is not good enough. We need to know everything, and quite personally I feel you in particular are hiding something from us. Now what is it?" the woman asked. "I told you, I don't know anything else! Why can't you accept that!?" "Because it isn't acceptable at all." "You always say that!" Now Yang was getting angry, her hair turning into flames and her eyes turning red. "Miss Xiao Long, please calm down." "NO! I'm not calming down! I'm sick and tired of all this interrogation! It's obviously getting nowhere!" Glynda prepared her weapon. "Miss Xiao Long, calm down, or I will make you calm down. Do you understand?" Yang didn't listen and charged straight at the woman, throwing massive blows her way. The veteran huntress easily dodged the amateur, and sent Yang flying back, only making her angrier. Yang charged again, with even more ferocity than before, which was starting to worry Glynda. All it was gonna take was for Yang to land one blow, and it would be over. She dodged to the best of her ability, but one fatal mistake caused her to trip, and Yang sent a shot straight at her. It hit full force, pinning her to the floor. She tried to get up, but Yang tackled her down to the floor, repeatedly beating her fists into the teacher.
Until she stopped moving.
Yang finally stopped when Glynda stopped fighting back, only to realize she was now not moving at all. Her face was bloody and broken, her blood dripping from her face. Yang suddenly realized what she had done, and let out a scream.
She killed Glynda Goodwitch.
Three soldiers ran in, their weapons ready to put her down if necessary. Yang, not thinking straight, ran and jumped out the window, landing hard onto the ground. Not looking back, the blonde ran and ran, tears stinging her eyes, unable to come to terms with what she had done.
Later, back in Ozpin's office, the silver haired professor was in an uproar. "She what!? Of all the... Arghhhhhhhhhhh!" He threw his cup at the wall, shattering into numerous pieces. "I don't care what it takes, bring Yang Xiao Long in now! If she refuses..."
He looked out the window.
"...Kill her."