Is roaming included for Japan with my home country SIM card?

When traveling to Japan, relying on your home country's SIM for roaming can often lead to unexpected and costly charges. While some carriers offer international roaming packages, these are typically expensive daily rates or have limited data allowances. For example, US carriers might charge upwards of $10-$15 per day, while many European or Australian carriers consider Japan an 'out of zone' destination with premium roaming fees. EastESIM offers a much more economical and transparent solution for connectivity across Tokyo, Kyoto, and beyond, ensuring you avoid bill shock and enjoy reliable, high-speed data from local networks like NTT Docomo or SoftBank.