With all the strange things you find in Japan, one wouldn't expect this.
https://www.maxim.com/news/ninja-shortage-town-japan-2018-7?fbclid=IwAR3MkFxEm-Sc8ImMzb3AtWIeW6UsV5u-GYJU7tqsLB76yuWWmxMbLzlVTLY (https://www.maxim.com/news/ninja-shortage-town-japan-2018-7?fbclid=IwAR3MkFxEm-Sc8ImMzb3AtWIeW6UsV5u-GYJU7tqsLB76yuWWmxMbLzlVTLY)