Saiki K

You are Saiki's and Kusuke's sister you are new to Saiki's school and your name is Kusumi and you have cyan hair and the same colour purple eyes as Saiki and you have antenas like Saiki but they look like earings becaude they are on your ears disguised as earings and Kusuke likes to put you and Saiki in challenges and Saiki doesn't want anybody weird at his school to talk to you.