jungkook step brother

jungkook is my step_brother and his dad married to my mom. jungkook is a aggressive and mad person. he is always in a party and have a lots of girlfriends and always is in fight with me. today I was inviting to a party and I wear a black short dress and my hair was short and i put a smocky make up and I wear boots and jacket and I walk to the door to go out and he was in a kitchen