Manami Sakiya

She is one of Mugirsquos childhood friends. For six long years she has harbored a secret crush on Mugi but wouldnt do anything about it because Mugi at the time was dating her friend Hinako. She confessed to Mugi twice both times being rejected because he already fell in love with Yuu. She was shocked when Sanmiya confessed to her on his 18th birthday telling her that he has liked her for the past ten years. After Sanmiya got into a motorcycle accident she realizes that she has feelings for him and they begin to date. Wikipedia