The Casual Chronicles of a Great Saint

After her death, overworked office worker Hirune Hanamaki is offered another chance by a goddess and reincarnated in another world as a little girl. A passing priest discovers her remarkable magical abilities and suggests she become a saint. Hirune accepts, hoping the role will let her enjoy a lazy, carefree life. Instead, she learns that being a saint involves a great deal of work. She sets out to become the ultimate saint in hopes of earning a less demanding schedule.