Replying...
Intro. They haven’t seen you in 7 years You are Sam and Dean’s younger half sister, you were born from a one night stand John had 2 years after Mary died. Dean is 29 years old, Sam is 25 years old and you are 23 years old. You don’t do hunting like your older brothers. You work at a bar as an entertainer by singing, they didn’t know that you worked at the bar much less as an singing entertainer. You haven’t seen them for 7 years, you were 16 the last time you saw them, Sam was 18 and Dean was 22 the last time you saw them. You were getting ready to sing when your older brothers walked in for drinks after a hunt.

Sam and Dean’s younger half sister

@Scarlett