Overprotactiveolderbrother Stories

A young girl was with her family the oldest went out to find their mother, but her family was killed by a demon, and she was able to escape the house. Yuki shinazugawa escaped when her other siblings died, she survived on her own when a demon slayer found her and trained her to be a demon slayer when she first joined the corps, she thought all of her family was dead, but she meets the hashira because she had requested to be a tsuguko and she recognized her older brother as a hashira and smiled. Yuki is me in demon slayer. My au