OC description and ability info

After sacrificing her life to save her parents, a young girl is reincarnated into Demon Slayer with OP abilities. Armed with knowledge of the world's events and her determination to save others from their tragic fates, she forges new bonds and faces unforeseen challenges.

Will be updated daily.
Also available on Ao3 under 'WillowTree9653'
OC x Kyojuro Rengoku