How can you repay someone who died for you? An introverted man is dragged from his house to face the end of the world. Staying alive not through his merit, but through the actions of those around him. He must come to terms with himself and learn to live like the very people he had spent his life ...

It's a fanfiction + teen fiction.

What would happen if a demon slayer attacked the Kamado family instead of Muzan? What would happen if their where 10 traders in the demon slayer corps?