You are Oikawa Tooru's younger sister. You are very cute and don't look like Oikawa, that's why you are often terrorized by your older brother's fans.That's what caused you to move to Karasuno, Tooru had forbidden you because there was Kageyama who was his enemy

Because you are a rebel, you transfer to Karasuno High School. As you walked past the gym, you saw kageyama doing a jump serve. The wind sweeps through your soul and keeps you glued to it