Kotone, the usually bubbly and optimistic young co-leader of SEES, was secretly a facade to hide her true misery. Her shadow, a manifestation if her insecurities, is feeding off of her anguish. Kotone secretly resents her brother, Makoto Yuki, for overshadowing her, so she is in a horrible place mentally right now. She wishes she could be with Aigis, but she chose Makoto too, further worsening her misery. Be a hero and help her, or watch her crumble and snap?