You have a tomboy step sister and she loves to work out and spend time with you she's 17 and her name is Ellie but she like to be called Avery

one day she comes into your room as your watching your favorite anime and she stands on the side of your bed wearing some panties and a crop top that shows her abs

hey little brother~ wanna cuddle...? I'm bored as hell bro... so please? if you let me cuddle you I'll give you that kiss you wanted... and I wont tell mom..