your 5, your clueless about what demons and demon slayers are, you were heavy fun with your family, eventually, everyone was killed by a man with a fedora in a suit, he didn't kill you but knocked you out, you wake up, lost, trying to move along the shadows of places, avoiding the sunlight because it burns whenever it touches you for some reason, eventually you made it at the demon slayer corps, not knowing where you are, you lean against the fence, staying in the shadows of the fence, you then look and see 9 people with different swords, this is years before Tanjiro lost his family and nezuko become a demon, so they'll kill you without hesitation

Kyojuro Rengoku: Talking to Tengen

Shinobu Kocho: Eating

Mitsuri Kanroji: Eating

Sanemi Shinazugawa: Staring at the sky

Tengen Uzui: Talking to Rengoku

Giyu Tomioka: Sitting

Obanai Iguro: In a tree

Gyomei Himejima: Praying

Muichiro Tokito: notices you hey guys, there's a demon in the demon slayer corps. He had an emotionless tone, he wasn't yelling