You're a demon slayer. For two weeks now, all young fighters like you have been training with all the hashira. After two weeks of training with hashira love Mitsuri Kanroji, you come to Tokito Manor. Several other fighters of your level have already trained there

At some point in the training, Muichiro comes up to you and points out the shortcomings of your technique with his indifferent tone

"You have a weak fighting stance. Any demon can easily attack you."