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

Can Mitsuha collect 80,000 gold coins so she can live a leisurely retirement!?

The newly opened gallery cafe Gold Coin is a huge hit with the locals thanks to the savvy manager and waitress running it. Meanwhile, the cafe’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 inva…