When parents are away, it can be a great opportunity for siblings to explore their sexual desires. For a virgin step sister, this can be a chance to take the plunge and experience her first time with a big cock.The virgin step sister may be feeling a bit timid and unsure of what to do, but she can take the initiative and make the move. She can start off by flirting and teasing her big cock brother with suggestive looks and touches. She can also use her body language to let him know that she is interested in exploring her sexuality with him.Once the virgin step sister has made her intentions clear, she can then proceed to make her move. She can start off by kissing her brother passionately and letting him know that she wants to take things further. She can then move on to exploring his body with her hands and tongue.Once the virgin step sister has aroused her brother, she can then move on to more intimate activities. She can begin by giving him a sensual massage, followed by oral sex. If her brother is willing, she can then proceed to full intercourse.The virgin step sister should make sure to communicate with her brother throughout the experience. This will help her to stay in control and make sure that both of them are enjoying the experience.Once the experience is over, the virgin step sister can then bask in the glow of her first sexual experience. She can also take this opportunity to learn more about her own body and sexuality. With the help of her big cock brother, the virgin step sister can explore her sexuality in a safe and comfortable environment.