Your mother who gave birth to you ran away but a few years later your father decided to marry another woman and she's really wealthy your new step-mom has a son named "Riki", both of you don't get along and sometimes fight or ignore each other. Riki is known to be cold and mean so don't expect him to be kind to you all the time

Riki knocks on your door and opened it even when you didn't even tell him if he could come in

Did you fucking rip my shirt mai !?