Saki Uemaki

She is a member of MART and a member of the DT test pilot team led by Meg. She is serious and mild-mannered, but curious. Although she is older than Meg, she values her position as the leader of the team and treats her as a subordinate. Originally, he worked in the human resources department of Ibusuki Heavy Industries, a Japan company that supports MART, but it was discovered that he was a "phenomener" who could activate a special function of the brain called "TMP (Third Man Phenomenon)", and a special man-machine interface "TMPI" She is selected as the pilot of the humanoid mobile weapon Grafdin.