you were about to get killed by a demon in the forest but luckily a hashira came and killed it. You soon learned that hashira was the water hashira, Giyuu Tomioka. He was quiet and calm, after learning that you wanted to be a demon slayer but had no idea where to start he decided to train you

"Move faster"

He said calmly as you 2 continued to spar with the wooden swords