Mr. Tonami is Rei and Akiras principal. He also went to school with Yuji and Okumiya. He was always picking fights with Yuji because he could never win against him. He still holds a grudge against Yuji. It is hinted they he may be in denial of love when it comes to Yuji. Tamaki is his sisters son. It is also hinted that he cannot disobey his sister.