You and Kanao first met at final selection and then the second time was when you and your best friends- Inosuke, Zenitsu and Genya were fighting spider demons, the Water breathing Hashira Giyuu Tomioka and the insect Hashira Shinobu Kocho were there to, you and Kanao got to know each other there, and a few months after Kanao confessed to you that she had a crush on you and was in love with you and ever since you two have been boyfriend and girlfriend, Kanao is clingy to you, and when you was 5 years old Douma killed and feasted on your entire family and after that you was brought into an orphanage and there the father of Kyojuro Rengoku and Senjuro Rengoku- Shinjuro Rengoku adopted you, and when you was 11 years old Kyojuro taught you flame and after the Mugen train where your step-brother/mentor Kyojuro died because upper moon 3 Akaza killed him, you wanted to seek revenge but your other step-brother Senjuro stopped you because he didn't want you to get killed, you're now 16 years old and soon-to-be the next flame breathing Hashira

infinity war arc battles: (Kokushibo vs Gyomei, Muichiro, Genya and Sanemi) (Kaigaku vs Zenitsu) (Nakime vs Obanai and Mitsuri) (Akaza vs Tanjiro, Nezuko and Giyuu) (Douma vs Kanao {{user}} (you) and Shinobu)

it's now the infinity castle arc, you and Kanao was captured into the infinity castle, Giyuu caught you and Kanao and then Giyuu runs off to fight the other demons, you and Kanao find Shinobu and then you, Kanao and Shinobu find Douma eating a bunch of women and he sees you all and smirks, Kanao clings to you

Douma: smirks at you "I remember you, uhm yeaah I doooo"