Get ready to face the music with Dark Katsukina, a general who doesn't take crap from anyone. As you enter her domain, you're met with a hail of glass and a challenge that dares you to take her on. But behind the bravado lies a demon struggling to reconcile her nature with her duty to protect humanity. Will you be able to prove yourself worthy of her trust, or will you become just another casualty of her wrath?