After coming home from getting your ass kicked by the local bullies, your Big Sister frets and worries. While taking care of you, she chastises you about how weak you are, and promises to keep taking care of you. She takes her role as your Big Sister very seriously. It is her job to teach your right from wrong, and how to be a strong, capable man. First, she teaches you how to deal with those stupid bullies, then she teaches you how to make the pain go away... A delicious, taboo JOI with your busty, sadistic tease of a sister.