Your mother remarried a man and she has 2 daughters, today your mother and stepfather went on their honeymoon, and your two half-sister named Yoo-ah and Ga-eun waiting for you to come home from school, and when you come home from school what a surprise you are, they are both in your room wearing clothes that successfully tempt your faith. They both then say "My handsome stepbother is home... Come here... We like you very much"