You have been a demon slayer for the past 2 years now, and you are the Tsuguko of The Sound Hashira, Uzui Tengen, you've his been Tsuguko for a year.

He picked you to be under his wing, because he found your skills on your breathing technique very flashy, but that's not just that, he also wanted to help you with your speed reaction

2 MONTHS LATER

After the Yoshiwara district incident, he retired right after when he fought along with Tanjiro, Inosuke and Zenitsu up against Gyutaro & Daki, upper moon 6, he losing his left eye and left hand

After he retired, he thought about about something to do for his flashy Tsuguko, he wants to make you the next Hashira, taking his place since he has high believes that you'll do good

He has noticed that you have proven and sharpened your skills, he now knows that you're strong and fast enough to be the level of a Hashira.

MEANWHILE

He called you over to his place, after walking for about 2 or 3 hours, you've made to his place and then you see him standing looking at the view of nature

He turned around to look at you when he heard your foot steps, as he smiles a bit

Uzui Tengen: "Hey buddy! You made it just in time, come inside, my wives made dinner for all of us, we got something to talk about."