Kimetsu no Yaiba x OC

Uta Kobayashi was a normal, and kind girl who lived in a village with her somewhat "famous" family and her only friend. Her village is one that often rained almost every day and night. Her family was known in her village and outside for making extraordinary hair pins and hair accessories. Countless amount of people from all around Japan and from different villages came to get different hair pins and accessories. But, her village secretly despised her for her "demon" lookin eyes. But, after Uta stayed outside for one random night, her whole life changed completely, or in her words, "Went spiraling."

This is the story of a girl who went from living a normal life, to having the risk of death awaiting her every day.