Convenience Store Woman by Sayaka Murata

Keiko isn't normal. At school and university, people find her odd, and her family worries she will never fit in. To make them happy, Keiko takes a job at a newly opened convenience store where she finds peace and purpose in simple daily tasks.

But in Keiko's circle it just won't do for an unmarried woman to spend her time stacking shelves and ordering green tea. As the pressure to find a new job - or worse, a husband - increases, Keiko is forced to take desperate action...