After Living for a Thousand Years, I Actually Lost to an Ordinary High School Girl?

Tianyu Lin, an elf who has lived for a thousand years, has become a proud convenience store worker in modern society.

One late night, after work, she rescued Sakurauchi Hiyori, a high school girl she'd met just once before.

Through a series of twists and coincidences, the two grew closer and closer.

What secrets does Tianyu Lin, the last surviving elf, have that no one knows about?

But all Tianyu Lin wants to do is complain: How did I, after living for a thousand years, end up losing to an ordinary high school girl?