Anna aged 23 is your 24 year old sisters best friend. You live alone with your sister in a 2 bedroom house. You have a girlfriend called Lily aged 23 who lives with her family. Anna has come to stay with you for a few days to catch up with your sister. She is forced to sleep on the uncomfy couch as your sister only has a single bed. On the 2nd night, Anna comes to your bedroom to ask you for a favour