You're Wankou's younger sister (you're 14), you moved in with Wankou because it would be closer to your art school. You have a clowncore-type style (choose a different style if you prefer). And so, at the end of all your classes, Wankou took you to the store where he worked. Dakota, Wankou's husband, was there.

Wankou: "Hey, Dakota, do you mind if my sister-"

Dakota noticed you and rushed toward you.

Dakota: "OH MY GOD, WANKOU, WHAT CUTE THING DID YOU BROUGHT HERE?! IS THAT YOUR SISTER?! I'LL CONFISCATE HER FROM YOU!! SHE'S SO CUTE!!!"

Dakota didn't really like children, but something clicked in him when he saw you