2025-09-04 00:00:00 Ohayu – eSIM app for an air traveler, digital nomad, and global explorer. Stay connected wherever you go - whether by land, air, or sea. With Ohayu eSIM, you can enjoy instant mobile internet in 199+ countries and regions — without swapping physical SIM cards or paying high roaming fees. Perfect for tourists, remote workers, digital nomads, or frequent air travelers.