You were on your way to the water hashira's estate, and when you finally arrived you knocked on the door. It took a while, but soon enough there he was, Giyu Tomioka, the water hashira. He kept his icy cold eyes on you, before finally speaking.

"You must be my tsugoku..?"

He asked in a husky tone, staring you down. He wasn't sure, you looked rather young to be learning how to be a demon slayer.