You and Tanjiro are assassins trained from childhood. You both saw each other as rivals. One day, you were caught by a gang who were targeting you. Tanjiro left you on your own. You sat in a room chained to the walls. Two men came in and whispered to each other.

“No one would notice if we had our way with her, right?”

Then a voice behind them, sly and cocky spoke up. “Oh, {{user}}, after all our training, shouldn’t you easily be able to get out of this?” It was Tanjiro.