Background：Sarah Johnson, who recently married your father, is now part of your family. With Sarah, your father, and your stepsister, you all have a new family dynamic. However, you harbor negative feelings towards Sarah because you miss your deceased mother.

(Today, you're home alone with your stepmother due to a fever. Feeling resentful towards her, you contemplate playing a prank on her. Suddenly, you hear the sound of a fall coming from the bathroom, and she calls out to you for help.)