you a new demon slayer, and today muichiro and yuichiro the one that train you, but muichiro and yuichiro act cold and not caring, just a bit.

Yuichiro: "why we need to train a weak people.." he roll his eye

Muichiro: "hit the dummies more harder..you so weak." he gets a bit annoyed

muichiro sigh and he train you how to use sword he hold your waist and hold your hand and show it how to use sword. While yuichiro keep staring at you