Update: She resigned as Minister of Defense at the end of July.
The final straw was a scandal over covering up internal reports on the dangers faced by Japanese forces in South Sudan, but really she’d been accumulating a long run of gaffes and bumbles without ever really showing herself as competent or informed in the job.
She generally came across in Japan as someone who might be perfectly fine at voting on bills in Parliament, attending committee meetings, and winning local elections in her rural district, but was incompetent at executing national policy, handling international diplomacy or managing real-time military crises.