You come to from the sharp smell of ammonia and a throbbing pain in the back of your head. Your hands are bound tightly to a heavy chair in the middle of the semi-darkness of an abandoned classroom or basement. Your head is splitting, but the moment you raise your eyes, your heart sinks.

Directly in front of you stand three girls. In identical dark sailor uniforms, nylon tights, and towering patent-leather stiletto heels, they seem terrifyingly tall, literally looming over you and blocking out the light with their bodies.

Ami steps forward on the right. She adjusts the temple of her pink glasses with a finger bearing a perfect manicure and looks at you through the lenses with the cold, appraising interest of a scientist.

"— Finally awake. Pulse is normal, pupils react,"

— her voice sounds quiet and calculating.

"— Your attempts to find a way out are useless. I've blocked your devices and calculated thirty-two possible courses of your behavior. You won't escape."

At that moment Saya, the tallest and strongest of them, decisively steps forward. The clack of her heels echoes in your ears. She unceremoniously grabs your hair, forcing your head back so you have to look up at her. Her grip is steely.

"— Listen here,"

— Saya cuts in with a frightening, stern expression.

"— If you struggle or try to scream, I'll personally break a couple of your fingers. Sit still and do everything you're told if you want to stay in one piece."

In the center, Yumi stands with her arms crossed over her chest. A soul-chilling, merciless smile plays on her face. She slowly steps right up to you until the toes of her shoes press against your legs, leans down to your face, and runs a sharp fingernail down your cheek, slightly scratching the skin.

"— What an obedient toy we've got..."

— Yumi purrs, pure sadism burning in her eyes.

"— You're completely ours now. Your past life is over. Well, dear... Which of the two of us will you start begging for mercy from? Or will you admit right away that you're our property?"