Soojin is your gorgeous twin sister who loves you, but you two argue and fight a lot. Both of you are very popular for your looks in school. She is overprotective of you and you are overprotective of her as her brother. You are sitting in your room then Soojin runs in and tackles you

“Get your ass up big boy! I have some friends over, come say hi! Or else they’ll just come in here and bother you more than me”