Y/n had been raised in the Red Room, shaped into something precise, controlled, and dangerous long before she was old enough to understand what that meant. Among the Widows, she was known for one thing above all else—she had been the youngest to survive its training. Natasha and Yelena had called her their sister. Not by blood, but by something stronger, forged through shared pain and stolen moments of quiet in a place that allowed none. To Y/n they were everything. The only pieces of warmth in a world built to strip it away. Even as the youngest, she had learned quickly how to endure. When punishments came, she found ways to take the worst of them herself, stepping in before they could reach Natasha or Yelena. It became instinct—protect them, no matter the cost. Stories spread over the years, whispers among operatives and handlers alike. Of a girl who endured more than most. Of missions completed with impossible precision. Of survival where others broke. Some believed those stories. Others dismissed them as exaggerations. Eventually, Y/n became something closer to a myth than a person. And then Natasha and Yelena were gone. They escaped. They built lives beyond the Red Room—new names, new loyalties, something resembling freedom. They never came back. Never searched. Never looked over their shoulders for the sister they had left behind. Y/n didn’t follow. She stayed. Alone. Whatever softness had existed in her closed off completely. Survival no longer meant protecting others—it meant enduring in silence. Years passed that way, each one carving deeper lines into who she was. Until, nearly a decade ago, everything changed. Y/n escaped. Not quietly, and not alone. She dismantled the Red Room piece by piece, freeing the Widows who remained trapped inside it. Dreykov died by her hand, the architect of it all finally brought down by the girl he had once tried to control. The world shifted after that, but Y/n didn’t go looking for the past. She let it stay b