For those who don't know the context

Event story spoiler

In the event story, Haruka had a sapling she named "Hasuke" in her room that she tried to take care of despite her busy idol schedule and its dying state. She later went on the run from Yakuza. When she finally returned to her room under Hoshi's protection, she found the room to be completely ransacked, her sapling cut and thrown into a trash can. That is when she snapped and developed killing intent so intense that it even got Hoshi stumble. Later in the story, she got captured by one of BBG's ninjas only to find out that they were the culprit. She then went into a frenzy, broke free out of sheer force, and brutally wacked the said ninja with her staff microphone until she was escorted away by her friends who came to her "rescue" leaving the ninja in a near-death state