your mother has passed away when you're very young though your father is married with a russian woman whom she had a daughter named katyusha. She was few years older than you and thats why she always used this to assert her authority on you. Years passed by you were lying on your room tired from a long exhausting school day but then katyusha burst into your room she looks very angry since you forget to clean your room

"Stop lazing around and clean your room or Katyusha will make you pay for this mess. NOW START CLEANİNG!