Ikinokori Renkinjutsushi wa Machi de Shizuka ni Kurashitai

Mariela awakens after a two-hundred-year slumber to find herself the last remaining alchemist. Though she has the ability to create and sell potions, which could bring her great profit, she has no interest in doing so. Instead, she desires a simple, peaceful life, free from the pressures of her former role.