(masterpiece, best quality, ultra-detailed, 8k, dramatic split composition, dual identity, cinematic lighting),
a split-screen anime girl shown in two halves, same person, facing forward with a calm and confident expression,
left half: dark background, dressed in black tactical gear, holding a pistol aimed forward, red glowing eyes, assassin persona, shadows and tension,
right half: bright concert stage background, idol outfit with frilly blouse and ribbon, holding a microphone, smiling warmly, sparkling lights,
perfect symmetry, one person with two identities, symbolic contrast between light and shadow, high resolution, expressive eyes, dynamic contrast
アイドルキラー