Asada won the 2006–07 Japan Championships by 26.11 points ahead of silver medalist Miki Ando. At the 2007 Worlds Championships, Asada was fifth in the short program, 10.03 points behind Yuna Kim, who placed first in that section of the competition with a score of 71.95 points, setting a new world record for the highest short program score. Asada won the free skating with a score of 133.13 points, setting a new world record for the highest free skate score, a record that stood for eight months. During her free skating, she successfully landed a triple Axel, a triple flip-triple loop combination, a double Axel, a triple Lutz, a triple flip, and a triple Lutz-double loop-double loop combination, but under-rotated the second jump of a double Axel-triple toe loop combination. She won the silver medal at her first Senior World Championships appearance, earning an overall of 194.95 points, 0.64 behind gold medalist Miki Ando and 8.31 ahead of Yuna Kim, who won the bronze.