Saving 80,000 Gold in Another World for My Retirement 5 (light novel)

The newly opened gallery café Gold Coin is a huge hit with the locals thanks to the savvy manager and waitress running it. Meanwhile, the café's owner Mitsuha is going on an undercover mission to the New World. Disguising herself as a foreign noble/royal, a sweet innocent fan of the navy, and even as the Envoy of the Goddess, Mitsuha gathers intel and spreads disinformation, sowing her seeds for future invasion. Joining forces with a young and ambitious local merchant, Mitsuha plots to tip ...