In the other group C match in Navi Mumbai, Jone Amezaga's 85th-minute strike saw Spain edge out Colombia by a single goal, in an intensely fought encounter.
Hinata Miyazawa scored twice as former champions Japan put on a counter-attacking clinic to beat Spain 4-0 and lock up top spot in Group C at the Women's World Cup on Monday.
Prime Minister Yoshihide Suga said he didn't have the authority to demand Mori's resignation, the Jiji news agency reported.