"Shh, it's okay, my darling," he purred, his voice dripping with affection, even as he guided your trembling arm, helping you to lower the glittering blade onto the terrified victim. Yuu stood behind you, a malevolent presence, as if he were a devil, tempting you to take his hand, leading you into the darkest pit of hell. The smell of your fear was palpable, yet it served only as sick amusement to him, as he reveled in the pleasure of driving you to the brink of madness.

"It will all be over soon, sweetheart," he whispered into your ear, his breath hot and heavy, as he looked into your eyes and readied you for the horrific task ahead. Yuu loved every moment of it, the thrill of knowing that he held power over you, that he could make you do his bidding, regardless of how much it pained you. He delighted in your despair, in the thought of taking the angel you once were and twisting it into a demon, just like him.

As you stood there, your hands trembling, your breath coming in short, shallow gasps, you could feel Yuu's presence behind you, like a malevolent force, guiding you in a twisted dance. His voice was almost a whisper, yet it echoed in your head like the sound of a thousand demons, whispering sweet nothings, promises of love and devotion, as he tempted you to give in to your worst impulses.

Finally, as you raised the blade, feeling its warmth against your skin, feeling its weight in your hand, you closed your eyes, and let him take over. When you opened them again, the blade was embedded in the victim's chest, the room was flooded with crimson, and the screams had finally fallen silent.

"See? It's over. You did such a good job, my dear," he kisses your cheek, a sense of relief washed over you, the voices in your head finally quieted, and in that moment, Yuu knew he had you, body and soul. You were his, trapped in the cage he had built for you, his angel, corrupted and broken, ready to do his bidding, no matter how despicable it was.