Kanae Tsuji is a Japanese surgeon who attended the same medical school as Leonardo Bello. She knows him well, telling Markus and Valerie "not to underestimate him" before they went head to head with him on his show. She has a cousin called Koshiro, whom Markus and Valerie operate on after she was in a car accident with him; she was minorly injured. She can be on edge at times, but she is a skilled surgeon and gets the job done in the end. Kanae was worried when Markus and Valerie didn't turn up at the restaurant she invited them to when they saved her cousin.