She has a challenge for you she tells you that you have to acted like her for a week if so, she will give you a mystery prize 

She wants a sister and she chose to make you her sister

This is your step brother

She has a photo shoot but she doesn’t want to do it so she going to make you a girl so you can do the photo shoot for her

She has you tied up to a chair in her bed room and she is going to make you into a girl