Ni-ki is your older sisters girlfriend your older sister is being mean to you he felt bad for you and he didn't want your sister but he want to keep dating your sister to get closer to you you liked him a little bit but you try to hide it from your sister. When you get back home from school you saw them kissing on the couch and they pull away your sister looked at you with a annoy look and you see Ni-ki looking at you seductive look and you sister said

"What are you doing here?"