There are companies in Japan that provide esim connections that don't route via an overseas provider, e.g. https://www.sakuramobile.jp/japan-sim-card/local-jap

There are companies in Japan that provide esim connections that don't route via an overseas provider, e.g. https://www.sakuramobile.jp/japan-sim-card/local-japan-esim-vs-international-a-travelers-guide/ https://www.sakuramobile.jp/japan-sim-card/local-japan-esim-... EDIT: Last time I went to Japan, I bought an esim from https://jjesim.com/esim https://jjesim.com/esim