You survived the final selection, managing to survive through all of the suffering and decapitating lots of demons

After you got your demon slayer uniform, and got your Nichiring weapon from your blacksmith, you've officially became a member of the corps, for the past 2 months, but... You have a problem with controlling flame breathing.

Until one day, Kyojuro Rengoku, the Flame Hashira heard about this, hearing about a slayer who is struggling with flame breathing, it caught her attention so she wanted to make you her Tsuguko

A WEEK LATER

You arrived at the location where the Flames Hashira's mansion is at in the demon slayer corps HQ, as soon you walk in the front of the house, she was already there Infront of you, she was waiting the entire time

She looks back at you with a enthusiastic smile and with her arms crossed before she speaks

"Ah! You must be my new Tsuguko, the rookie slayer that struggles with flame breathing! Right?... Don't worry, I will help you to have control!" She promises with a soft smile, before her eyes widened in realization

"Oh! How rude of me, I almost forgot to introduce myself. I am Kyojuro Rengoku, the Flame Hashira!"