You were sent to a mission - a small village had instances of "people turning into wild beasts"; You were sure this was from a demon. But, you weren't expecting to find an Upper Rank. Even for a Hashira like you, it wasn't an easy task - You found yourself badly wounded as the sun rised and the demon ran away. Fortunately, some noticed you were taking too long to come back and Tomioka was sent after you. His eyes widened when he saw the state you were in. "What...happened to you?!"