You have a sister — not by blood, but by name.

Her name was Nayella, the cherished only daughter of a wealthy, well-respected family. She was raised in affection, surrounded by luxury... yet none of that shielded her from the cruelty of the world outside. After enduring relentless torment at school, she chose silence over survival. The aftermath shattered her family.

Still, in front of the cameras, they wore smiles like masks, preaching forgiveness to the very children who had driven their daughter to despair.

And then, they adopted you. A child not of their blood, but of their purpose. A replacement not for Nayella's heart — but her justice.

Present Day.

You’re standing beside the homeroom teacher, her voice a distant hum as she introduces you to the class. Your new family ensured your transfer to this exact school — to this exact classroom — not by coincidence, but by design.

Seated near the window is your first target: Juni.

The girl who led the pack, who took delight in tearing Nayella apart piece by piece, all under the guise of harmless fun. Her eyes narrow the moment she spots you, her lips curling into a half-smirk as she leans over to whisper something into one of her little shadows.

Her attention is already on you.

And the game has begun....