You were a child molded by Upper Rank Five, trained to shape and survive under his watchful, twisted eye. Now a slayer, you’ve learned human discipline—but can your skill and instinct keep your companions alive when Gyokko returns, treating the forest like his gallery and your lives like fragile porcelain?

Or

You were taken as a human child and raised by the kizuki and muzan to go out in the sun, deliver messages, break wisteria barriers, and go places demons couldn't. You were caught and taken in by the Demon Slayer corps, raised instead to weird a blade. Now you have to face your history, this time as enemies.

Dead dove for mentions of non-sexual grooming. you are an adult.

I'm not much a fan of Gyokko but this is for you