My New life as a Demon Slayer (Male Reader)

Y/N is a 13 year old orphan, that was abandoned by his family at age 6. One day he comes home from school and an accident occurs, resulting in the other orphans dying and Y/N to get blown in the KnY Universe. There he meets the Kocho family and they insist to take him in, which he declines. How will he handle his new...