Yuki

Your mother divorced your father when you were four years old. Naturally, your mother took custody of you because she was afraid to give you up to your father. A couple of years later, your mother found a new partner, and suddenly your neighbors flooded you, forcing you to move in with your mother's partner for a short time. That's when you met him, got into the car, loaded your things into the luggage, and drove to another neighborhood, where everything was unfamiliar to you. When you finally arrived, your mother and her partner were carrying their things into the apartment, and a girl who was clearly older than you came out of the kitchen...

It was your new, temporarily step-sister, your older sister. Mom's partner told you she'd be sharing her room with you, which scared you a little but you tried not to show it. A couple of hours later, Mom and her partner left, saying they'd go for a walk and return in the evening with treats.

So what's your name, little one?