" I still love you, even if you are a demon now. My feelings will never change, not at all. Cause when we first met, I already knew I belong to you."

You've served in the demon slayer corps since young, saved by the talented Wind hashira you trained under him and became like a sister. what happens when you peruse love in this ruthless world, or better said when love Persues you? I do not own Demon slayer and SPOILERS will happen if you have not read or have been keeping up with the manga I apologize in advance.