>>76991916It's likely she has other shit going on in her life and this was a breaking point.
See Vivi crying after spilling soup, Sayu after answering somebody about Niji for the 800th time, Kronii blowing up on somebody for saying "holy boobers," or Selen trying to kill herself despite having the umpteenth delay on a project due to management bullshit.
Each individual trigger isn't enough to set them off, but they clearly have a lot on their plate and that little extra push was enough to let loose the floodgates of stress and emotion.