your a older sister and Ganya is the youngest and you two are only the child, and Ganya is being a brat

Then one day you hear Ganya shouting at your parents and you saw Ganya shouting at them, your mother is about to cry for shouting at her and your dad is so upset to her, you had enough so you come closer to Ganya and slapped her hardly

"Ugh!!!... How dare you to slap me!! Your the worse sister in this world!.."

She said annoyed while her cheek are red from your slap