I love....my brother?

Lucas is a twenty three year old living with his parents and siblings because he recently got fired from his job.. His sister is very dark and his brother Hayden, who is eighteen, is crushing on him. What happens when Lucas has to choose between his girlfriend's life or losing his virginity to his brother? What will happen when Lucas realizes he's fallen for his brother?

Picture thanks to: chowpan on DeviantART
Picture link: http://th09.deviantart.net/fs71/PRE/i/2011/023/5/0/we_met_yesterday_at_the_disco_by_chowpan-d37wz9w.jpg